Can’t Check iPhone Server Identity

As a last resort: factory reset / master reset.

The error is likely not resolved if complex system errors are the cause. In this case, the last option would be a general reset or factory reset on your iPhone. This will remove everything from your device, including fatal system errors that could conflict with your mail server settings and cause a stubborn “server authentication failed” error. If you want to continue, please back up all your important data to iCloud or iTunes so you can restore it later. Once you’ve got everything set up, follow these steps to reset your iPhone to factory settings:

Can't Check iPhone Server Identity
  • From the home screen, tap “Settings”.
  • Click General.
  • Scroll down and tap Reset.
  • Select the option to Erase all content and settings.
  • If prompted, enter your password to continue.
  • Then tap on the option to confirm the hard reset on your iPhone.

After the reset, you will need to set up everything on your device the same way you did when you first used your iPhone. Just use the startup wizard to set up your iPhone like new. When setting up your email account, be sure to enter the correct email account credentials. After everything is set up and your device is connected to the network, check if the error is gone by launching the Mail app.

Fifth solution: reset network settings.

This reset removes the last network settings, including configured networks, and then restores the network settings and values ​​to their defaults. If the error is related to incorrect or incorrect network settings, then doing this reset will most likely solve the problem. Here’s how it’s done:

  • From the home screen, tap “Settings”.
  • Click General.
  • Scroll down and tap Reset.
  • Select the option Reset network settings.
  • Enter your password when prompted to proceed.
  • Then tap on the option to confirm that you want to reset the network settings on your phone.

The phone automatically restarts after the reset is complete. By then, you can start setting up your Wi-Fi network to reconnect to the Internet and use online services. After connecting the device, open the Mail app and check if the error is gone.

Fourth solution: update iOS and carrier settings.

Updates could also be the key to fixing the “server cannot be authenticated” error if it is caused by iOS bugs. Updates usually include fixes to fix existing device problems that are related to system errors. If your iPhone has no internet connection problem, you can check and update iOS wirelessly. Just make sure your device has enough storage space and battery life to complete the entire process.

  • To check for iOS updates, select “Settings”. “General”. “Software Update”.

An update notification will be displayed if a new iOS version is available. Read and review the update information, then follow the onscreen instructions whenever you are ready to start downloading and installing the update.

Apart from iOS updates, installing media updates can also be considered among other means, especially if the error is related to network issues.

  • To check the update of the operator settings, go to the “Settings”. “General”. “About” menu, then go to the “Operator” section.

Follow the instructions on the screen to download and install the update on your iPhone.

Wait for your iPhone to complete the update, and after it completes, restart it to apply the latest system changes.

How to Fix Apple iPhone XR Not Recognized in iTunes 0xE Error

What Causes the “Server Authentication Unable to Authenticate” error on your iPhone?

To securely connect to the mail server, your iPhone will try to obtain the server’s SSL certificate and then verify its reliability. If it finds that the certificate does not match a domain name that has expired or is not signed by the company, it will be flagged as untrusted. And this happens when the message “Cannot Verify Server Identity” appears. This error usually occurs when setting up a new email account on an iOS device or after changing the mail server certificate. The same can happen after migrating your email account.

Usually the error is related to unreliable or invalid mail server settings. There are also a few cases where iOS bugs are to blame. To give you some hints, in this post I have outlined some of the most recommended troubleshooting methods and possible solutions. Feel free to refer to this step-by-step guide whenever you need help to get rid of “server cannot verify identity” on your iPhone.

Before troubleshooting, check and make sure the date and time information on your iPhone is correct. Set the date and time automatically if necessary. If everything is ok with the date and time, you can go ahead and try the following solutions.

Third solution: delete your email account and then add it back.

Many people who faced the same error while using Mail on their iOS device were able to find a solution by deleting the email account and adding it back. If you want to give it a try, here’s how it’s done:

  • Tap “Settings” on the home screen.
  • Click Accounts Passwords.
  • Go to the “Accounts” section.
  • Then click to select the email account you want to delete.
  • Click the “Delete Account” button at the bottom of the screen.
  • Then click on “Remove from My iPhone” to confirm that you want to delete your email account. The selected letter will be deleted.
  • After deleting your email account, go back to Settings- Accounts Password menu.
  • Then click on the Add Account option.
  • Select your email service provider.
  • Enter all required information.

Then follow the onscreen instructions to complete the entire email setup process. If you’ve set up multiple email accounts on your iPhone, then you should delete and restore them too. If you still receive the error “The server cannot be authenticated” after doing this, go to the next solution.

Second solution: soft reset / restart iPhone.

Another possible solution for this error is to restart the device or soft reset. This is most likely what you want if the error is caused by minor system crashes. There are different ways to soft reset iPhone.

If you’re using an iPhone X, XS, XS Max, or XR, follow these steps to perform a soft reset:

  • Press and hold the side button and any volume button until the power off slider appears.
  • Drag the slider to turn off iPhone completely.
  • Then after 30 seconds press the side button again to turn the iPhone back on.

If you are using an iPhone 8, 8 Plus, or earlier, a soft reset or restart is done as follows:

  • Press and hold the top or side button until the power off slider appears.
  • Drag the slider to turn off your phone completely.
  • After about 30 seconds, press and hold the Top or Side button again to turn the phone back on.

The above steps will not affect the information stored in the phone’s internal memory, so no backup is required. Then try and see if the “Server Authentication Unable to Authenticate” error still appears.

Are you still getting the “Unable to Verify Server Identity” error on your iPhone?

The error might not be fixed due to a problem with your email provider. For example, the email server may have some technical difficulties and is currently under maintenance. In this case, you can contact your service provider to check the current status of the email server. You can also ask your service provider / operator to help you check and reconfigure SMTP settings or the incoming and outgoing server on your device.

Alternatively, you can report the issue to Support Apple so that they can conduct additional assessment to determine if the issue is with Apple’s servers.

First solution: exit and restart the Mail app.

It can also occur among other random errors in the Mail app. And often such errors are corrected by restarting the application. If you recently opened the Mail app on your device, please close it first so you can restart.

If you are using earlier iPhones with a physical Home button, exit background apps using the following steps:

  • Go to your home screen to get started.
  • Then swipe up from the bottom of the screen, then pause briefly in the middle.
  • Swipe right or left to find the Messages app.
  • Then slide your finger across the Preview app map to close it.

If you’re using an iPhone 8 or earlier, here’s how you clear background apps:

  • Press the Home button twice to view the most recently used apps.
  • Then navigate through the app previews by swiping left or right.
  • And to close the application, swipe it over the preview.

After completing all background apps, try starting Mail again and see if the error goes away. If this happens again, then you need to move on to the next possible solution.

how to fix iPhone XR App Store won’t install update problem

How to Fix Unable to Check Server Identification Error on Your iPhone

In this article, I will show you how to troubleshoot your Apple iPhone that keeps showing “Server Authentication Unable” message and find out why.

When your iPhone displays the “Server Authentication Unable to Authenticate” error, it says that the mail server’s certificate is fake. In short, this error occurs due to the strict validation of mail server certificates on your iPhone. This is one of the most common errors encountered on iOS devices when using the Mail app. Read on to find out what is causing this error on your iPhone and how to fix it.

For iPhone owners who have found our site trying to find a solution, please try to see if your phone is one of our supported devices. If so, please visit the troubleshooting page for that device, review it to find issues that are similar to yours, and feel free to use our solutions and workarounds. However, if you still need our help after that, please fill out our iPhone issues questionnaire and click Submit to contact us.

How to fix the error “cannot receive mail” on iphone and ipad 2020

On rare occasions, iPhone and iPad users may encounter a “Cannot Get Mail” error message in the Mail app on iOS, indicating that Mail for iOS is unable to receive new emails or other problems with the configured account. The complete error message is displayed as a pop-up window and usually says something like “Cannot Get Mail. Error connecting to server.” Sometimes it is accompanied by the message “Enter the password for your email account”, as well as a small statement “Account error” at the very bottom of the Mail app on iOS. These errors are understandably annoying as they prevent email from working properly.

If you see an “Unable to receive mail” error in the Mail app for iPhone or iPad, then this guide will address this error message so you can send and receive emails again in the iOS Mail app.

5: restart your iPhone or iPad

Restarting an iPhone or iPad will often fix erroneous issues that are otherwise inexplicable to diagnose or troubleshoot. Rebooting your device is annoying, but it’s quick and easy, so it’s a useful troubleshooting step regardless of your opinion on the matter.

Simply turning off the device with the iOS software shutdown function and then turning the device back on often works, or you can also force restart the device. Different devices have different restart methods:

Re-authentication on the mail server.

Then, you must confirm that your authentication credentials are working with the mail server. This is especially true if you see the “Cannot Get Mail” error message along with the message “Please enter the password for (email account)” on the screen.

If you see the Enter Password screen in the Mail app (or sometimes even the iOS home screen), click the Edit Settings button and make sure your username and password are correct for this mail server.

Rarely, mail servers and email providers may experience crashes that affect user authentication and logon, or after a crash, some email services may require re-authentication with them. recently, many users have experienced this error when working with Outlook and Hotmail email accounts, when some mail servers were unavailable, which prevented user accounts. Worked for a while to fix this issue, but for some users (myself included) entering the account password to re-register via iOS Mail was necessary to fix the persistent “Cannot Get Mail” error message.

If you see “Unable to receive mail” errors along with “Please enter password” pop-up messages on your iOS device, for example, tap Settings and re-authenticate:

In this example screen shot, re-authenticating in Outlook has sufficiently corrected the “Unable to receive mail” and “Please enter password” error messages and the email worked again as expected:

Check for problems with the mail server.

While this is rare, there are times when mail servers go down for maintenance reasons, crashes, security issues, someone tripping over a cable, or a variety of other reasons. So it might be a good idea to check if the mail server is really down.

For major email providers like Gmail, Outlook, Yahoo, Hotmail, and more, you can often just go to those websites directly from your web browser or search for news to see if there is a significant glitch. If so, wait until this failure is resolved before trying to access the mail server.

For smaller email providers, such as an ISP or corporate network, business email, or smaller email providers, you may need to go directly to whoever runs the postal service or the mail server itself (for example, your office IT staff). to confirm that the mail server is working as expected.

Confirm an active internet connection, wait and try again later.

The first thing you should do is make sure you have an active internet connection by checking your Wi-Fi and / or cellular connections. This is especially true if the error message is “Unable to receive mail. connection to server failed”, as it is often more likely that a simple and temporary problem with the Internet connection is to blame (in fact, you can repeat the error message at any time by disconnecting the connection to Internet, and then tries to get email in the Mail app, which is unsurprising it won’t succeed).

Next, check if your internet is working. This is easy to do when trying to access various websites or applications that use the Internet on your iPhone or iPad. If applications other than the Mail app work well with the Internet, this is a good indicator that the problem is only with the Mail app and possibly either a server problem or an authentication problem.

Anyway, the next thing you should do is do nothing, just wait a little and try again later.

It may sound counterintuitive, but there is a good reason for this approach; often the “Unable to receive mail” error appears simply due to a temporary failure in the Internet connection or with the mail server. Simple waiting often completely solves the Mail problem, especially if the error was related to a problem with a remote mail server or a mail server shutdown.

3: Confirm iOS Mail Settings

This is a variation on the above trick, but essentially you want to confirm that the mail settings are configured properly.

  • Open the Settings app and go to Accounts & Passwords
  • Click on the email account that shows the “Unable to receive mail” error messages
  • If necessary, log in and authenticate with your mail account.

Often a shortcut is available for this if you click the Details button at the bottom of the Mail app if that little status bar shows an error.

If there is a temporary failure of the mail server, this simple process often fixes any mail problems on iOS.

Somewhat counterintuitive, you don’t want to go to the Mail section in Settings, despite the fact that you are changing your mail account settings. Instead, since your mail settings are determined by your account and password, you go to the Accounts & Passwords section of the Settings app in iOS.

Troubleshoot “Unable to receive mail” errors on iPhone and iPad

Here are some easy troubleshooting steps to resolve “Cannot Get Mail” error messages on iPhone or iPad Mail app.

6: Delete and Re-Add Mail Account in iOS

If you are sure that your internet connection is working properly, the mail server is down and that there are no problems with the internet connection, the mail server, or your login and authentication credentials, you can delete and re-add the mail account on your iPhone or iPad.

Deleting and re-adding a mail account on iOS can have some unintended side effects as many email providers also sync contacts and notes and other functionality through an email account, sometimes with things like losing notes or contacts or archived emails. As such, you’ll want to make a full backup of your iOS device to iCloud or iTunes, or both, before going down this route so you don’t lose data.

  • First, back up your iPhone or iPad to iCloud or iTunes or both
  • Remove your mail account from iOS by going to Settings> Accounts & Password> selecting your email account and selecting “Remove Account”.
  • Restart your iPhone or iPad
  • Now add your email account to iOS again by going back to Settings ‘Accounts & Password’ and selecting ‘Add Account’.

While the process of backing up, deleting an email account, rebooting and re-adding that email account can be annoying, it’s also very effective when all else fails to fix the issue with the Mail for iOS app.

Did these tricks work to fix the “Cannot Get Mail” error on iPhone or iPad when trying to check email? Do you have another solution that works for you?

Bypass activation. Exit to the iOS 7 menu

  • Incorrectly set time.
  • A discrepancy with the software designed to view the global network.

And how can these difficulties be removed? At the moment, attention will be paid to this issue.

Most popular reason. If the time or date is incorrect on the computer, then when all the files are received, the machine sees that the characteristics do not match, and informs the user that the server certificate is invalid. This is all done in order to protect the person who goes to the web, and to prevent the loss of important data for him. It is not at all difficult to correct this problem. for this it is enough just to correct the time to the current date and hour, and this difficulty will not be. This case accounts for approximately 95% of similar incidents.

What if the discrepancy is not in time, but in something else? And no matter what you do, the server certificate is invalid and remains in this status? And with all this, access to the data should be obtained urgently? Well, if there is no time to find the real reason, then you can do it simply and perfectly. just turn off the certificate verification. To do this, you need to go to the options of your own browser, then go to the security section and perform the necessary actions (a more specific plan directly depends on the program used). And the computer will not be able to block access to the website because the server certificate is invalid. But do these acts with respect to only those network resources that you trust.

IPhone Activation Fails after iPhone Reset, Activation Error, 0xE8000013, 0xE8000015 (Solution)

Why were not enough circumstances and methods of their elimination been examined? The fact is that with the help of them you can solve the bulk of the problems that appear when the server certificate is invalid. If they did not help, then you are unlikely to be able to remove faults already, and here you need the help of a specialist.

As you know, an organization or users can use the Apple Developer Enterprise Program software to create corporate programs for iOS and install them for their own use or in organizations. But before that it is necessary to pass the check and if the application is installed “manually” then the check must be carried out in manual mode.

Causes of error checking IOS programs

The error “Cannot verify the program” most often occurs when trying to establish a connection to the site you can check and open the link in your browser. The reason for this is blocking the address by your network, provider or sanctions. For example, in countries protected by the Great Firewall of China. China or North Korea. As a solution, the Shadowrocket and VPN client combination proved to be excellent.

I can not check the program IOS, Iphone. what to do?

We are preparing yesterday a guide to bypassing the limit for downloading files larger than 100 Mb for Apple iPhone users who are sitting purely on the mobile Internet, when suddenly the following appears on the screen:

Well, since Safari refuses to open Web pages, the App Store also stopped working, decided to launch the mobile Chrome browser, but everything is dull there too:

It turned out to be the fault of the incorrect date and time. If you encounter such warnings, then set the date and time in the iPhone correctly. instructions.

Identity, certificates and servers will work immediately as usual. If the year in the iPhone has gone very far, then turning on and off the Automatic toggle switch, which is located. Settings. Date and time, helped to quickly return the correct date. The errors above disappear immediately.

When you open your browser, you plan that everything will be in normal mode. But what if the computer doesn’t want to work properly? And reports that the server certificate is invalid? In this case, you need to check how everything works, whether everything is set correctly, and if there are any problems. You can see this message on large websites (invalid Google server certificate, “”), which simply cannot make such an oversight.

To begin with: what is this designation used for? What does it mean when the computer reports that the certificate presented by the server is invalid? Thus, the computer says that the electrical documents of the website that it has provided have some kind of incorrectness, so the machine has reason to hesitate about its authenticity or its usefulness. This discrepancy may appear both due to problems on the server side, and due to incorrectness on the user’s EOM. If we consider the first version, then it may be like this:

  • Problem with the CA website. All this evidence is given out by special organizations. And like any other, they are not immune from probable problems like terrorists, earthquakes, landslides, damage to transmission lines and many other problems. But this happens very rarely, and there is little hope for this point.
  • Website obstruction due to technical problems or willful harm. Here, too, something can go wrong. The sysadmin pressed something wrong, or the attackers are attacking the server, the result is one. the server certificate is invalid. But this also happens occasionally.

The main obstacles of this type occur mainly on the user’s client computers. There may already be a much wider range of circumstances, therefore the main ones will be named:

How to fix program trust check error

In order to get around failures when connecting to, we need to resort to using Shadowrocket and VPN. For this

  • Download Shadowrocket from the AppStore. At the time of this writing, the program costs 2.99
  • Then we set ourselves a working VPN from the AppStore or search on the Internet.
  • We launch the VPN client in Shadowrocket. we get access to the verification servers and check applications.

Shadowrocket program interface

Shadowrocket is a useful utility of its main advantages:

  • Capture all HTTP / HTTPS / TCP traffic from any application on the device and redirect to a proxy server.
  • Recording and displaying HTTP, HTTPS, DNS requests from iOS devices.
  • Rule Settings for Domain Matching, Domain Suffix, Keywords, CIDR IP Range Range, and / or GeoIP Search.
  • Measure traffic and network speed over Wi-Fi, cellular, direct and proxy connections.
  • Blocking ads by domain.
  • Local DNS mapping.
  • Work with 3G, 4G networks.
  • Decrypting HTTPS traffic.
  • URL rewriting.
  • Full IPv6 support.

It’s interesting How to change the launcher on an Android phone

As you can see, the Shadowrocket utility will be useful not only for checking the trust in programs, but also for blocking ads by domain name and full-fledged work with URL addresses and HTTPS traffic.

Reset network settings to fix Cannot contact software update server for iPhone / iPad / iPod

As mentioned above, when you receive the message “The iPhone software update server cannot be installed”, you must first check your network connection. In fact, you can reset your network settings to fix this problem.

Reboot iPhone / iPad / iPod and try again

For various reasons, you may face a situation where your iPhone software cannot be contacted. In most cases, a bad network connection can easily cause this problem. Therefore, before trying other solutions, you must make sure that your iPhone or iPad is connected to the Internet.

Unlock the iPhone screen and keep pressing the Power button until the shutdown slider appears on the screen. Drag the slider to the right to turn off your iPhone. Wait a few seconds and then press the Power button to turn on your iOS device.

Professional way to fix software update server error

Using the methods above, you have a great chance to fix the problem that the software update server could not be contacted on the iPhone, iPad or iPod. But if the problem still remains unresolved, you can rely on iOS System Restore.It has the ability to fix the problem with the iPhone software update server. Just download it for free and grab the following guide to fix it.

  • Fix Various iPhone Issues Caused by iOS System.
  • Advanced technologies to diagnose the causes of software update failure.
  • Failed to contact software update in Recovery / DFU mode.
  • Work for iPhone XS / XR / X / 8/7/6/5, iPad Pro / Air / mini, iPod, etc.

Failed to connect to iPhone software update server using iOS.

If the problem still exists, you can directly update iOS on the device without iTunes. over, the new iOS can fix many bugs in the old version.

First, you need to disconnect your iPhone, iPad or iPod touch from your computer.

Go to “Settings” app. Then tap “General” “Software Update” to check if there is a new iOS version. Tap “Update” to upgrade iOS to the latest version. Check this post if you get some Issues with iOS update.During the entire update process, you must ensure that your iOS device is on a good Wi-Fi network. Plus, you’d better charge your device while you update iOS.

Failed to contact the iPhone software update server [5 ways]

Most iOS users nowadays prefer to update iOS directly on iDevices. But many Apple customers prefer iTunes to update their iPhone, iPad or iPod to the latest software. You are one of them?

Many users are complaining about Unable to contact iPhone software update server issue. Frustrating Error: “Failed to contact the iPhone / iPad software update server. Please check if your network settings are correct and your network connection is active, or try again later. ” In this case, you only get the “OK” option. How to fix this problem?

In fact, iTunes cannot contact the iPhone / iPad / iPod software update server The problem is quite easy to fix. Here in this post, we share 5 easy solutions to help you fix the problem and update iOS successfully.

  • Reboot iPhone / iPad / iPod and try again
  • Failed to connect to iPhone software update server using iOS.
  • Reset network settings to fix Cannot contact software update server for iPhone / iPad / iPod
  • Professional way to fix software update server error
  • Download Firmware Manually to Update iPhone Software

Download Firmware Manually to Update iPhone Software

Downloading the firmware manually will be the last method you can choose when a pop-up message appears stating that the iPhone software update server cannot be contacted. The steps below will show you how to manually download the firmware to update the software.

Do you get the message “Failed to contact the iPhone software update server”? After reading this page, you can get 5 effective solutions to fix it. Leave us a message if you have any questions.

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iPhone 6/7/8 / X / XS / XR Freezes and Won’t Turn Off? Is your iPhone stuck in the app? This article will tell you 6 different ways to fix a frozen iPhone.

Here are possible solutions to the most common iOS update problems on iPhone, iPad, and iPod touch.

iPhone disabled? This article will show you how to fix a disabled iPhone with or without iTunes connected.

Fix iOS system to work normally in various situations like getting stuck in DFU mode, recovery mode, headphone mode, Apple logo, etc. without data loss.

SIM card check

Before contacting the provider’s support, it is worth checking if the SIM is inserted correctly. If inserted in the wrong direction, put it in the correct slot, and also check the activity of the card.

Activation lock set

Option to prevent unauthorized access to data. The active mode will be evidence that the gadget was obtained illegally. It is impossible to bypass the security system by flashing, since all data is tied to an account. When you try to restore access through official services, a notification will be displayed about entering the Apple ID and the email address associated with the account.

Internet connection problems

In cases of unstable connection, activation will be impossible. You will receive an error unable to contact the server. Possible reasons:

  • there is a ban on data transmission;
  • restricting access to servers.

You can solve the issue by contacting the service provider, as well as by checking the smartphone settings.

If you have any questions or complaints. let us know

IOS 11 and iOS 12 Activation Issue on Refurbished Phones

Owners who buy Chinese counterfeits from AliExpress face difficulties. The assembly of the devices is a hodgepodge of various spare parts imitating the original ones. When parsing such phones, it may turn out that the original board remains, but some modules can be replaced.

In the fight against counterfeiting, the company introduces radical methods. Upon activation, a signal is sent to the company’s servers, and all details are checked. If there is a mismatch in the serial number or Mac-address. cannot be activated.

The reasons

Any operating system can have bugs in work, but among mobiles, IOS is the most vulnerable. Common causes of activation failure are:

  • unstable operation of the company’s servers, in such cases it is highlighted. it is not possible to contact the server;
  • the server is temporarily unavailable. means that repairs are underway and the update can be downloaded from the official iTunes;
  • an authentication error can occur due to an unstable connection, as well as with a compromised firmware and an old account;
  • an error in the cellular network when replacing the SIM, in which case you need to replace the card with the operator or change the provider;
  • failure when checking Apple Id, may occur when connecting to a computer through a broken cord.

Activation via iTunes

In cases where internet connection did not solve the problem. The firmware is being downloaded via iTunes, you should update to the latest version before starting. Steps:

  • run the program on a computer and connect a smartphone to it;
  • we pass authorization and choose a device from the proposed ones;
  • click “Browse” and select “Update” in the block with the device description;
  • follow the instructions during the update and complete the action with activation;
  • disconnect the phone from the PC after the message about successful unlocking.


If iPhone cellular activation fails, restarting will help. Full Hard Reset in progress:

  • the buttons “Home” and “Lock” are pressed simultaneously;
  • after 8-10 seconds, they are released and the gadget automatically starts the reboot process.

Upon completion, the applications will be restored.

Cellular Activation Failure PDP Authentication Error on iPhone. What to Do?

When establishing a connection to servers via a mobile device, an authentication error may occur, which means the iPhone could not be activated because it was not possible to obtain activation information from it. You can check and fix problems:

  • leave a request on the hotline of the service provider;
  • when confirming a fault on the line. wait;
  • restore the connection manually through the “Settings” item;
  • go to the “Cellular” section, find “Data parameters”;
  • open the “Cellular data network” and scroll to the item “APN”;
  • we rewrite all the data beforehand. it will be needed for further input;
  • delete all data from “APN”, and reboot;
  • we try to establish a reconnection by going to the browser;
  • if unsuccessful, enter the old data into “APN”, and try again.

If the problem has not been eliminated, then we require the operator to take action.

IPhone 4 / 4S / 5 / 5S / 6 / 6S / 7 / X activation error: what to do if an update is required after a factory reset

In 2020, the iPhone from Apple is gaining even more popularity. When trying to reinstall the firmware from an old version to a new one, an error may appear in the form of a failed activation of the iphone 4 / 4s / 5 / 5s / 6 / 6s / 7 / X. We have prepared a detailed article about all the nuances of work.

IPhone hardware issues

Iphone cellular network activation can fail due to hardware malfunction. As an example, we can give a situation when a smartphone cannot find a SIM card, and even if it is available, it is looking for a cellular network. The lock cannot be removed without connection. It is required to diagnose the smartphone in the service.

The reasons

There are many explanations for why the iPhone owner cannot go through the activation procedure. Below we will study this issue in more detail and try to figure out the solutions to the problem.

Update required

Sometimes an error can occur due to an old firmware version. After Iphone activation fails, update is required. It is required to timely install patches released by developers. Check the settings for new updates. If this malfunction does not allow you to download the update, then you can try to activate the system through iTunes.

SIM card check

Check if the SIM card is inserted correctly. Doesn’t fit in your phone? Contact the operator to get the desired SIM card option. If, after checking, no malfunctions were found with the SIM card, then most likely the reason is hidden in a hardware failure.

IOS 11 Activation Issue on Refurbished Phones

Owners of phones that were previously refurbished are more likely to suffer from activation problems. The presented problem affected only new firmware versions, starting with iOS 11.

It is not recommended to purchase phones from dubious sellers. They will not give iron guarantees for the originality of the components; perhaps Chinese and low-quality parts were used in this device. Such gadgets outwardly completely copy the real IPhone, differing from them in system parameters.

Also, users who have not original components installed in the repair service fall under the risk category. Therefore, if you decide to reset the parameters, then when the system starts, the data about the installed components will be transferred to the Apple servers, after which the blocking will follow.


In some situations, a reboot or reset may help. IPhones restart when you hold down the Home and Screen off buttons.

Mobile network blocking check

Check if your mobile network is working. Perhaps the reason is due to poor online connection. Use Wi-Fi.

SIM card not supported

IPhone activation failure can occur if the gadget cannot detect the installed SIM card. Check if it is the correct size and is correctly inserted into the connector.

IPhone 4 / 4s / 5 / 5s / 6 / 6s / 7 / X activation failed. reasons and what to do?

Iphone activation failure can occur on different smartphone models. The presented problem can occur due to several reasons. To fix the error, you need to check what influenced its appearance.