These codes help you check the health of your phone.
One afternoon, Mateo opened his app and went to the dialing keypad . He knew he didn't need to press the "Call" button; if he typed the code correctly, the phone would react automatically. The Secret Journey Mateo's exploration went like this: como utilizar codigos secretos en zte blade a51 best
If you need to test hardware (touch, speaker, camera) or check battery health, the Engineer Mode is your best bet. For any other "secret" function, use a dedicated app from the Play Store like or Test Your Android . These codes help you check the health of your phone