Android device Test menu: Did you know there is a hidden menu on your Android devices? In fact, devices rarely allow you to access this menu in any way, but most do not. There is a test section in the Android operating system as a hidden menu. Use the codes below to access this test section.

How to Enter the Android device Test menu?
Let me remind you before you give me the codes. Codes may cause the data container on your phone. Use the instructions thoroughly.
* # * # 1234 # * # * Gives you some information about the pda and the phone
* # * # 1111 # * # * Turns on the service mode, you can view various settings with the options button
* # * # 2222 # * # * This also turns on the service mode You can change various settings with the key
* # * # 7780 # * # * Restore factory settings, format all phone memory
* 2767 * 3855 # Restore factory settings, format memory card
* # * # 197328640 # * # * Test and various settings Starts in service mode to change
* # * # 526 # * # * or * # * # 528 # * # * Lets you test your wifi
* # * # 232338 # * # * Shows your wifi address
* # * # 44336 # * # * Provides various software information
* # * # 0283 # * # * Turns on service mode, displays audio settings
* # * # 0 * # * # * LCD test, color, touch, camera, etc. Many hardware can be tested here
* # * # 0673 # * # * or * # * # 0289 # * # * Melody test, if there is a problem with the speaker tested
* # * # 4636 # * # * test mode, telephone information, battery information, usage statistics, you can access advanced data and settings like WiFi information
* # * # 1472365 # * # * or * # * # 1575 # * # * GPS test
* # * # 232331 # * # * For testing Bluetooth
* # * # 232337 # * # Shows the Bluetooth address
* # * # 8255 # * # * Sends the address to the Gtalk server
* # * # 0842 # * # * For Vibration Testing
* # * # 2663 # * # * Shows the touch screen version
* # * # 2664 # * # * Touch screen test, you can test the screen sensitivity
* # * # 0588 # * # * Motion sensor test
* # * # 3264 # * # * Ram version shows
On some devices it is possible to access all these tests with just one code instead of all these codes. When you type * # 0 * #, a menu will open. Here are all the tests. Tests start whenever you click. This code works on Samsung devices.