Secret service codes Android - big selection
Each device on the Android operating system has hidden capabilities that can be activated using service (engineering) codes. There are codes for all smartphones and tablets on this operating system. So-called universal codes. But, each manufacturer can establish special codes on its gadgets that will not work on devices from other manufacturers.
Navigation
In this article we will tell, both about universal codes and codes for popular brands: HTC, SAMSUNG, SONY, etc.
Universal Android service codes
To find out information about the device, Wi-Fi and battery usage, you can typing such a combination:
*#*#4636#*#*
If you need to know the IMEI smartphone, then it is very easy to do with a combination:
*#06#
Make Hard Reset. That is, reset the device settings to factory you can use the combination below. When you enter it on your Android device, you can remove the account settings in Google, system settings and applications. Photos and video on the SD card with such a discharge will not be affected.
*#*#7780#*#*
If you need a complete reset of the settings with reinstalling the firmware, then you dial the following combination on the keyboard:
*2767*3855#
Sometimes, when using an Android device, the user needs to find out information about the chamber installed on its device. It is easiest to do this by typing the following combination:
*#*#34971539#*#*
IMPORTANT: A menu consists of several items appear on the screen. The first item is not necessary. When it is activated, the camera can completely disconnect.
Sometimes you need to quickly make backup multimedia files located on the device. With the following combination, you can call a menu for such a procedure with pictures, videos and melodies:
*#*#273283*255*663282*#*#*
To enable network activity testing, you need to call the menu. You can choose Bluetooth and GPS. You can access this menu using a combination:
*#*#197328640#*#*
Run the WLAN Wireless Testing You can use this set of characters:
*#*#232339#*#* or *#*#526#*#*
A few more combinations for GPS tests:
*#*#1472365#*#* or *#*#1575#*#*
Also from network codes may need to learn Wi-Fi MAC address:
*#*#232338#*#*
With the help of engineering codes, you can display the menu to test the microphone and speakers. After the above combination, a menu will appear in which you want to select the desired test mode:
*#*#0283#*#*
A similar test can be started for the display. To do this, you need to dial a combination:
*#*#0*#*#*
If it seems to you that the audio system of your device has fallen, it can be tested using a combination:
*#*#0673#*#* or *#*#0289#*#*
And thanks to her to understand whether to contact the service center.
There is an engineering code and to check the backlight and vibration. It is called such a set of characters:
*#*#0842#*#*
In order to check your screenshot you need to use the code:
*#*#2664#*#*
And with the help of code *#*#2663#*#* You can find out the version of your touchscreen.
You can run and test the motion sensor using such a combination of characters:
*#*#0588#*#*
In order to find out the version of the Gadget RAM (RAM) Introduce:
*#*#3264#*#*
Bluetooth tests:
- *#*#232331#*#* test
- *#*#232337#*#* Bluetooth address
Testing a GSM signal:
*#*#7262626#*#*
Sometimes it is very important to know the firmware version of the device. This can be easily done with such a simple combination:
*#*#1234#*#*
You can find out the FTA software version. Such an engineering code:
*#*#1111#*#*
And the Hardware version of the FTA by typing this combination:
*#*#2222#*#*
Service codes used in SAMSUNG Android devices
Most of the above engineering codes are successfully operating on smartphones and tablets of the main South Korean company. In order to display the EPST menu screen:
## 778 (+ call button)
Service codes htc.
For owners of devices from the popular HTC brand, it will be useful to find out how to call a functionality test program. It is easy to do with such an engineering code:
*#*#3424#*#*
A list of tests that can be selected for startup will appear. You can choose both all tests (SELECT AL) and only one.
Call the information menu using a combination:
*#*#4636#*#*
On HTC devices, you can call the GTalk monitor. To do this, type:
*#*#8255#*#*
Service codes Sony
All of the above codes except SAMSUNG and HTC personal codes are suitable for Sony devices. You can add a PUK unlock:
**05***#
Motorola service codes
The famous Motorola developer, which now belongs to Google, in its devices "hid" a special menu. You can go to it using an engineering code:
*#*#4636#*#*
You may also need a manual update check code:
*#*#2432546#*#*
Nuances of working with engineering codes
Engineering codes are created specifically for employees of service centers. If you are not sure about the necessary knowledge, you do not need them. But even if you decide to test your device using such codes, you must first try to solve the problem in a simpler way, and then use engineering codes. One error can lead to a serious breakdown of the device. Which will then be very difficult to solve even a specialist.