DESCRIPTION

How to flash:

1. Open the flash package called "VIVO_Y91_8.1.0_20200916_e6d6b23f12",then select and open the "flash tool" folder. Next, open the flash tool called "flash_tool.exe" in this folder. Finally, when the exe file is opened, select the "Download"function.

2. Choose Download-Agent in the "flash_tool.exe". Choose the file called "DA_PL.bin" in the folder "Flash tool".

3. Choose Scatter-loading File. Choose the file called "MT6765_Android_scatter.txt" in the folder "Firmware."

4.Choose Authentication File. Choose the file called  "authfile.auth" in the folder "Flash tool".

5. Select the Flashing Mode. Choose the one called "Download Only"(This part is right below the Authentication File)

6. First, click the Download button to read the flash configuration. Second, after the configuration is completed, keep the mobile phone turned off. Next,  insert the USB to connect your mobile phone to the computer, and press the volume + button of the mobile phone for a few seconds to enter the flashing process. Wait until the process is 100% complete. If you see the prompt of the successful dialog box pops up，that is the sign of the successful flashing process, just turn on the mobile phone.

※Please make a backup of your device before installing or updating ROM