One of the safest methods to restore this device is the method. This does not require a computer or complex ADB commands. : Unzip the downloaded firmware package on a computer

There are two ways to initiate the flash, depending on how damaged your software is. and Power Button simultaneously.

If your phone is working and you simply want to update or downgrade, use the hidden Project Menu: Insert the SD card with the dload folder. Open the Phone Dialer and enter the code: *#*#2846579#*#* .

Press and hold the , Volume Down , and Power Button simultaneously.