Connect your phone to the PC via the USB cable while the phone is powered off.
Hold down the button for 10–15 seconds to force the phone to turn on. The first boot after a full flash may take up to 10 minutes. ⚠️ Troubleshooting Common Error Codes Error Code / Message Root Cause Resolution STATUS_SEC_AUTH_FILE_NEEDED Secure boot authentication failed. Rerun the MTK Auth Bypass tool before clicking Download. BROM ERROR: S_FT_COM_PORT_OPEN_FAIL USB port communication dropped or driver crashed. mt6877 flash tool
Install the latest on your Windows PC. Without these, your computer will fail to recognize the phone when it enters its temporary preloader mode. 3. MediaTek Auth Bypass Tool Connect your phone to the PC via the