: Some codes can cause irreversible actions like factory resets, which erase all data on your device. Use them with caution.
This runs a quick automated test of 12 components (vibrator, LCD, backlight, keys, headset, speaker, microphone, etc.). It will ask you to press "Pass" or "Fail" for each. Great for troubleshooting before a warranty claim. How to Use Secret Codes on INFINIX Note 11