Samsung Enter The Service Menu

Why none of the codes worked?

It happens that none of the codes helps to call a hidden system routine. This is not because you are misusing the code. Perhaps the reasons for the failure are as follows:

  • It’s about the processor. In devices with Intel, Qualcomm Snapdragon and Tegra processors, the function of calling the service section may not be provided, or you need to know something else besides the standard code to start and reconfigure.
  • The point is in custom firmware. If the gadget is reflashed, then none of the codes will match it. You can solve the problem by re-installing the basic firmware on your smartphone.
  • It’s a matter of the manufacturer’s foresight. Often, manufacturers specifically block access to complex settings or hide the section so securely that simple use of codes does not help in this. This is done for safety, so that the user does not accidentally damage the smartphone.

If the failure with access did not stop you, and you are ready to try something other than decoding, then you can install on the device:

  • Hidden Android Settings;
  • Mobileuncle MTK Tools;
  • Mtk Engineering Mode.

These programs are on Google Play, and through them technical settings are opened.

What is the engineering menu?

Engineer Mode is a subroutine built into a gadget used by device manufacturers to research, test, adjust the OS of the device and its sensors. Programmers work here at the last stage of setting up the software platform of a phone or tablet. Using the engineering menu allows you to put the finishing touches on the parameters of the gadget, change its operation, if necessary, make sure the sensors are working and test system components.

The service section is available only for Android devices equipped with MTK processor. If an Oualcomm processor is installed in the gadget, then the hidden menu will be absent in it, or its minimum version is presented.

Please note that this section is recommended to enter and carry out the reconfiguration only for users with specialized education, or for those who are very well versed in electronic technology and programming. Inexperienced users, changing something “by typing”, can damage the file system of the phone and disable Android. Therefore, everything is hidden from strangers and additionally protected by the coding method.

What can be changed through the technical menu?

If the user managed to enter the engineering service, an English-language menu will open in front of him. The schematic, functionality, options and available settings in it will vary depending on the brand and model of the smartphone. So, for example, changes in the parameters of devices with a Snapdragon electronic unit can be minimal or, in general, limited to viewing and testing. But gadgets with a MediaTek processor will allow you to change the settings.

Before starting work in the Engineer Mode sections, one rule should be learned: do not try to change those settings whose meaning you do not understand or do not know exactly what your actions will affect. Otherwise, you run the risk of disabling the device, and only a specialist can restore its performance.

Let’s consider what information will be available to the user after opening the section:

  • Id equipment and subscriber number.
  • Network name (mobile operator).
  • Service zone. Shows whether the subscriber is present in the “home” service area or roaming.
  • Network. Shows whether the subscriber is being served at the moment, or the network is disconnected (does not catch).
  • Is the call forwarding feature in use?
  • Network type and index.
  • Signal volume.
  • Geo position.

Separately in secret settings, information about the smartphone battery is displayed, showing the mode and level of charge, voltage and temperature of the battery, type of battery and technology of its production.

The settings may contain an extended list of information, or, conversely, some items may be missing.

A banal review of the available information is unlikely to satisfy the user’s curiosity. In this case, you can switch to testing mode, because, in the end, this is the purpose of the system partition.

Test mode should be used if:

  • The speed of the device’s processes is less than those declared by the manufacturer.
  • The amount of RAM is less than it should be.
  • Smartphone won’t launch or install valid apps.
  • There are no options and settings that a gadget should have.

Using the normal user menu, you will not be able to fix these problems. But the engineering service is just created in order to, if necessary, check the gadget and its system for the presence of internal system problems.

To test the gadget, you can use one of the available modes:

  • Automatic test. Checks the settings and parameters of the device.
  • Report. Generates reports on the performed check.
  • Functional test. Checks modules, settings, processor, OP, drive, SIM card, vibration and sound modes, speakers, connectors, microphone. That is, everything that is in the smartphone.
  • Screen test. With this mode, you can check everything related to the display. Sensor response speed, touchscreen, sensitivity, brightness, clarity.
  • Gyroscope testing. Allows you to check all camera parameters.

These modes are located in one tab called “Testing”. Although the name may be different. This mode is useful if the user purchases a used smartphone, since starting a system test will help to quickly identify the presence of non-working modules or working incorrectly. Also, using the functionality of this option, you can diagnose a phone that is working with errors.

The engineering module also changes the parameters of the smartphone, such as the clarity of the microphone, the volume of the speaker and the loudspeaker.

To adjust the sound, go to the “Equipment testing” section and the “Audio” subsection. There you will see the following parameters that you can change:

  • Speaker Sound. Normal Mode;
  • Sound volume through headphones. Headset Mode;
  • Loudspeaker sound level. Loud Speaker.

The technical module configures the camera. Usually, pictures taken with a smartphone are opened in JPEG format, however, using a hidden module, you can change the format of their saving. To do this, go to “Camera”. “Capture type” and select the desired format.

If you reconfigure your smartphone in the technical module and are sure of the actions, do not forget to save the changes made by pressing the “Set” button.

Recover. Is responsible for resetting the changes to basic ones, updating the firmware, creating a backup copy of the OS, deleting personal data from the system. It is not recommended to change anything in this section, as it may harm.

How to enter the engineering menu on Android?

This is a hidden section, which means that you simply cannot enter it. You will not be able to find it in the standard smartphone menu, some visible section or subsection of Android. There are two ways to access the menu:

  • Codes;
  • Applications.

Both methods have disadvantages. First, different codes are provided for different brands running on Android. Secondly, entering the code does not guarantee that the user will still be able to access the technical settings. Third, you may have to additionally download, install and deal with the functionality of special applications. Before trying to decode access and enter here, think about whether it is worth opening it.

If something does not suit you in the settings and operation of the gadget, and you cannot eliminate this through the standard control panel, and you firmly decided to correct the situation using the functionality of the engineering menu, then try to enter one of the codes presented in the table below.

List of codes for calling the system partition:

ManufacturerCode
Samsung, ZTE## 4636 ## or ## 8255 ##
Sony## 7378423 ##
Acer## 2237332846633 ##
Htc## 3424 ##, ## 4636 ## or ## 8255 ##
Lg# 546368 # 818 # or 2945 ##
Huawei## 2846579 ## or ## 2846579159 ##
Fly, Lenovo, Acer, Prestigio, Philips, Texet, Alcatel## 3646633 ##
BQ## 83781 ##

Also, for smartphones with an MTK processor, the code may be suitable: ## 3646633 ## or ## 54298 ##.

To get into the secret coded section, you need to activate the dialing console on your smartphone and enter one of the appropriate codes. Usually, right after that, the same menu appears on the screen. However, sometimes it doesn’t, so press the call button. If the Android engineering menu started, but literally immediately closed, it means that the mode with super user rights is not activated on the smartphone. To set up rights, you must:

  • Go to the smartphone menu;
  • Section “About the device”;
  • “Kernel Version” or “Kernel Version”. Quickly click on it 5-10 times.

You should try again to enter one of the appropriate codes to promptly call the engineering menu.

All about the engineering menu of Android gadgets

Samsung Enter The Service Menu

Not all users of smartphones and tablets running on the Android platform know that their gadgets contain secrets and features that are carefully hidden behind complex codes. Why should manufacturers hide additional functionality of the device, you ask. Firstly, because these options are needed in extremely rare cases, and, secondly, an inexperienced user is unlikely to need them. However, if you are inquisitive and want to look into the “heart” of a smartphone, then the section of the engineering menu will certainly interest you.

An alternative way to control your smartphone

You can change the parameters of the gadget not only through the technical module, but also using the coding system:

ManufacturerCommandValue
For most manufacturers## 7780 ##Cancel settings, uninstall applications
27673855 #Flashing, canceling settings
## 34971539 ##Detailed information about the camera
## 232338 ##Viewing Wi-Fi Address
## 0 ##Display test
## 2663 ##Touchscreen information
## 232337 ##Bluetooth address information
## 1234 ##Information about the current device firmware
## 44336 ##Smartphone build date
Sony05 #Removing the block from the PUK code
Motorola# 06 #Smartphone ID
## 786 ##Canceling settings to basic
## 2432546 ##checking for updates
Htc## 33284 #Network status
## 4636 ##Technical menu
## 3424 ##Testing
## 3424 #Diagnostics

Using the standard encoding, you can change and improve the gadget’s performance, leaving the technical section for professionals.

How to enter the engineering menu in Samsung

All modern mobile devices (smartphones and tablets) have a complex hardware and software structure. In addition to the external design and control interface, which are visible to every user, many secret components are hidden inside these devices. One of these components is the engineering menu, which is built into almost every gadget running on the Android OS. Let’s consider the ways and nuances of access to Engineering Mode on Samsung smartphones.

We go to the engineering menu on Samsung. Ussd codes for all popular models. Engineering menu features

Having figured out how to enter the engineering menu in Samsung, you can proceed to consider the key features of this service mode.

Complete Engineering Mode, developed for MTK processors, has an extensive toolkit aimed at carrying out complete diagnostics and high-quality device configuration.

However, this functionality of the service mode is not available to absolutely all smartphones, since it is cut by the manufacturer at the development stage. For example, in the case of chips from Qualcomm, the engineering menu is used solely for acquaintance with information on a number of hardware components, as well as for conducting various basic tests.

In the case of the Galaxy A5 and S6 smartphones, the key sections are:

  • Telephony;
  • Connectivity;
  • Hw Testing.

The Telephony tab has an intuitive Russian translation “Telephony” and contains the following items:

  • Enabling / disabling the answering machine for incoming calls;
  • Selection of GSM frequencies used in the process of talking through the cellular network;
  • Selection of connection standards used in the work (for A5). 2g, 3G, LTE or their various combinations;
  • Setting up access to the Internet, etc.

The Connectivity section covers the work of other wireless connections: Wi-Fi, Bluetooth, FM radio. It is most reasonable not to make configuration changes in this section, as they can lead to the loss of performance of individual components or the smartphone as a whole.

The most useful tab is HW Testing. She is responsible for the full diagnostics of the hardware components of the smartphone: processor, battery, acoustics, optics, sensor, wireless modules, etc.

An example of using Engineering Mode to good effect

Through the engineering menu, you can reduce the load on the device’s battery. This can be done in the BandMode section of the Telephony tab. This is the same item that allows you to select the scanned GSM frequencies. The scheme of actions is quite simple:

  • After starting the service mode, go to the Telephone. Bandmode section.

Now the antenna module will not be in constant search for a non-existent network, and the autonomy of the device will increase.

The purpose of the engineering menu

Actually, first you need to understand why the developers hide such a menu in the shadow of the software shell. Through such a “secret” service, you can test all sensors, modules and systems of a smartphone, as well as make configuration changes to its functionality to make control more accessible and comfortable.

Previously, Engineering Mode was only used by developers and repair / debug professionals. The device underwent full testing, and when all norms and requirements were met, it was sent for sale.

Now almost any user can get access to the engineering menu. The only problem is that in the case of the same Samsung smartphones, each series or next generation of devices has its own way of accessing Engineering Mode.

Engineering Mode on Samsung Galaxy

Next, we will consider the engineering menu in the Samsung Galaxy, as in one of the most extensive lines of this manufacturer to date. According to the standard, the hidden service components, which this menu is, can be accessed by entering a special USSD code consisting of numbers and signs “”, “#”.

Entry is carried out through a standard dialer, sometimes you need to press the call button if the automatic transition to the desired menu after dialing the combination did not go.

Unfortunately, there is no single code today, because each Galaxy device is individually programmed by the manufacturer:

  • J7 / J1. ## 0011 #
  • A5 / S5 / S6. ## 8255 ## or ## 197328640 ##
  • A3. ## 9646633 ##
  • S3. ## 0 ##
  • S7 Edge. ## 8255 ## or ## 4636 ##

All other devices belonging to the Galaxy line can be put into customization mode with the combinations listed above for the S7 Edge and also: ## 3646633 ##.

In cases where the engineering menu persistently does not want to open after entering any of the above combinations, you should use special software: EngineerMode, Mobileuncle Tools, Shortcut Master, etc. It’s simple: install, run, work!

These applications are relevant exclusively for devices based on MTK processors, as well as those powered by Exyon chips. In the case of hardware stuffing from Qualcomm, as on the Galaxy A5, these utilities will not work.

Table: Combinations for Starting Engineering Mode

Device manufacturerCommand
Sony## 7378423 ##
## 3646633 ##
## 3649547 ##
Philips## 3338613 ##
## 13411 ##
ZTE, Motorola## 4636 ##
Htc## 3424 ##
## 4636 ##
## 8255 ##
Samsung## 197328640 ##
## 4636 ##
## 8255 ##
Prestigio## 3646633 ##
Lg3845 # 855 #
Huawei## 2846579 ##
## 14789632 ##
Alcatel, Fly, Texet## 3646633 ##
Smartphones and tablets with MediaTek processor (most Chinese devices)## 54298 ##
## 3646633 ##
Acer## 2237332846633 ##

Audio: increase the volume of a telephone conversation

To enhance the tone of the speaker for conversations, in the Audio section of the service menu, select Normal mode and open the Sph item. Set the values ​​for the signal levels (level 1–6) from 100 to 150, and the number for Max. Vol. Up to 160.

By adjusting the speaker volume, you will better hear the other person during a call

To increase the sensitivity of the microphone, go to the menu Audio. Normal mode. Mic. For each level, assign the same microphone sensitivity values, for example, 200. Press the SET button, reboot and check if the other person can hear you better.

Increased microphone sensitivity will allow the other person to hear you better

: adjust sound parameters in the engineering menu

Mobileuncle Tools program

The functionality of the application is similar to the previous one, but in addition to accessing the engineering menu, the user gets the opportunity to view information about the screen, sensor and device memory, as well as update the firmware, restore the IMEI number and improve GPS. Root rights are required for stable operation.

To enter the engineering menu, select Engineer Mode

Recovery mode

Recovery Mode. Analogous to Bios on a computer, allows you to control the device without logging into Android. Recovery Mode Features:

  • Resetting the settings to standard;
  • Firmware update;
  • Access to root rights;
  • Creating a backup copy of the OS;
  • Removal of personal data from the system.

In Recovery Mode, do not perform an action unless you are sure of what it will lead to. Some commands can harm the device and the system.

If the settings are not saved

Users who have access to the technical menu complain that the parameters changed in it are not activated or are reset when the device is restarted.
To activate the settings after changing the parameters, tap the SET button at the bottom of the screen. If the parameters are reset after restarting the device, try to enter the technical menu not through the application, but using the digital command.

After setting the settings, do not forget to press the SET button

Samsung secret codes

Using codes can damage your phone !

# 06 #. Shows IMEI
# 9999 #. Shows the software version
# 0837 #. Shows the software version
# 0001 #. Shows serial parameters
# 0523 #. Display adjustment menu
# 9998228 #. Battery status (capacity, voltage, temperature)
# 9998289 #. Changing the ring frequency
# 9998324 #. Debugger screen
# 9998523 #. Change display contrast
# 9998636 #. Memory status
# 9998746 #. Sim file size
# 9998842 #. Vibrator test
# 0228 #. Battery temperature and charge level (C100)
# OLCD #. Display brightness
# 8888 #. Iron version
# 9999 #. Firmware version
# 9998 JAVA #. Csd and GPRS settings
# 9998 VERNAME #. Extended information about firmware, hardware and creation dates
# 0837 #. Output software version
0001 s f t #. Changing serial parameters

Samsung SGH-600
# 06 #. Shows IMEI.
# 9999 #. Shows software version.
# 0837 #. Shows the software version (instructions)
# 0001 #. Shows Serial parameters
# 9125 #. Activates the smiley when charging.
# 9998228 #. Battery status (capacity, voltage, temperature)
# 9998246 #. Program status
# 9998289 #. Changing the ring frequency
# 9998324 #. Debugger screen
# 9998364 #. Watchdog
# 9998377 #. Eeprom Error Stack. Use side keys to select values. Cancel and ok.
# 9998427 #. Trace Watchdog
# 9998523 #. Change display contrast. For version G60RL01W only
# 9998544 #. Jig detect
# 9998636 #. Memory status
# 9998746 #. Sim file size
# 9998778 #. Sim Service Table
# 9998785 #. Rtk (Run Time Kernel) errors. If ok then phn is reset, info is put in memory error.
# 9998786 #. Run, Last UP, Last DOWN
# 9998837 #. Software version
# 9998842 #. Vibrator test. The screen backlight flashes for 10 seconds and the vibrator turns on.
# 9998862 #. Vocoder Reg. Normal, Earphone or carkit can be selected
# 9998872 #. Diag
# 9998947 #. Reset On Fatal Error
# 9998999 #. Last / Chk
# 99989266 #. Yann debug screen (= Debug Screens?)
# 99989999 #. Software version
0001sft #. Changes serial parameters (s = ?, f = 0.1, t = 0.1) (incomplete)
0002? #. Unknown
0003? #. Unknown

Sp-unlock SGH-600 and SGH 2100

27673855 #. Full reset l EEPROM (This code removes SP-lock !!)
But also changes IMEI to 447967-89-400044-0

27672878 #. User reset EEEPROM
This code has been tested on Samsung SGH-600

Codes for X100

# 8888 #. Shows Hardware Version
# 9999 #. Shows Software Version
# 89998376263. Firmware data
# 89998378 # or # 8999test #.Test Mode (see more details here)
# 8999377 #. Error log
# 8999324 #. Some technical data
# 8999636 #. Some technical data
# 8999523 #. Contrast of the display, the same as through the main menu of the phone
27672878 #. Reset user EEPROM settings (be careful, this procedure also clears the phone book)
# 2255 #. Call log
# 47778665 #. Gprs setting
# 0020 #. Setting the default menu language
# 0007 #. Sets the text mode to Russian
# 7465625 #. Block list
7465625638 #. Network blocking

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What is Custom Menu on Samsung TV

An ordinary user has access to a custom menu. This is the menu that you will see by pressing the menu button on the TV remote control. Only 10% of the TV settings are available in this menu, and service commands are not available at all. The manufacturer believes that this is quite enough.

Samsung Smart TV Engineering Menu

Since a modern TV is a rather complex device. To control it, configure and diagnose, and, if necessary, repair it, you need to control the TV at the level of primary commands. For this, there is a service (engineering menu) on the Samsung TV. To enter the engineering menu, you must press the buttons on the TV control panel in a certain sequence. We will tell you what combination of buttons you need to press below.

Method 6 of entering the service menu

Press Mute on the remote, then press 1, 1, 9 in sequence.

What can you learn from the service menu about the TV

Tv production date with details up to a specific day.

  • Tv model
  • The version of your TV, this information is needed for repair, you can determine the supplier of components for assembling the TV.
  • Base TV model
  • Digital tuner manufacturer
  • Wall mount format
  • Wifi region
  • How long the screen panel worked (the TV worked in hours from the moment it was first turned on)
  • Year of development of the original version of the TV
  • Port standards
  • And a lot of other information that a specialist needs when diagnosing a TV.
  • Method 3 of entering the service menu

    When the TV is in standby, press DISPLAY, P.Std, MUTE, POWER on the remote control.

    Controlling the TV using the engineering menu explanation of the possibilities.

    On a Samsung TV, there are two TV control menus at the operating system level. Engineering menu and custom menu.