| Error Message | Solution | |---------------|----------| | | Use battery disconnect method (Section 3.A) | | S_DL_GET_DRAM_SETTING_FAIL | Wrong flash file – redownload correct SC7731 firmware | | BROM ERROR: S_BROM_CMD_STARTCMD_FAIL | Driver issue – reinstall SPD drivers and use USB 2.0 port | | Checksum Mismatch | Corrupted PAC file – re-extract or download again | | Phone stays dead after flash | Dead battery – charge using a universal charger for 30 min before retry |
Necessary for the PC to communicate with the phone in "Preloader" or "BROM" mode. Flashing Process (100% Tested Method) Preparation : Install the MTP and VCOM drivers on your PC. Download and extract the firmware and the SP Flash Tool Auth Bypass : Open the MCT Bypass Tool. Power off the phone, hold both Volume Up + Down vivo y1s 2015 flash file dead hang logo 100 te hot