: While holding those two buttons, briefly press and release the Power button .

If you can still access the dialer, you can trigger a deep system reset using a service code. Open the app and access the keypad. Enter the following code: *#*#7378423#*#* . A Service Menu will appear. Select Customization Settings .

: It is recommended to remove your SIM card and microSD card before proceeding to prevent accidental data loss. Method 1: Hardware Button Combination (Recovery Mode)

: Press and hold the Left and Right buttons located directly beneath the display.

: Ensure you have backed up any essential files, as this process erases everything on the internal memory.