Flashing the stock firmware is a "factory reset" on steroids. You should consider this process if: Your phone is (boot loop). You want to remove a screen lock or PIN you’ve forgotten. The device is experiencing frequent app crashes .
Press and hold the (or sometimes the * key) simultaneously. download firmware andromax prime f17a1h verified
Most versions of this phone require the file to be named specifically (often update.zip ) for the recovery mode to recognize it. Enter Recovery Mode: Power off the phone. Flashing the stock firmware is a "factory reset" on steroids