Vivo Y91, Y91i, Y91c SIM Unlock Network Flash File Free Download

 Vivo Y91, Y91i, Y91c SIM Unlock Network Flash File

Vivo Y91, Y91i, and Y91c SIM Unlock Network Flash File is a combination of unlocking the SIM-related operation. if you are stuck to unlock your sim lock on your mobile the file will help you to fix your problem. first, you can check your model is present in the package otherwise you can flash the wrong file and you can never use again your mobile and you need to flash your mobile with the official file.

How to work sim unlock on vivo using "oem.img"?

Everyone knows OEM.IMG is used for the bootloader unlock on Android devices. it is used also for flashing devices before you can run flashing first partition is written as OEM.IMG on your Android device. most important file for Android smartphones otherwise you can face many issues if you ignore the oem.img file before flashing your mobile. using the OEM file I have re-write some addresses in the VIVO device and unlocked the sim, if I try directly write the address is not possible because he was protected by security. To unlock the vivo mobile sim network service using the sp flash tool rewrite the "Preloader" and "CUST" partition on your mobile which reconfigures the settings on your vivo mobile and sim unlock is gone and you can use your mobile without any problem.

How many files come with a zip?

• SP Flash Tool v5.1824 Win
• file Unlock
• DA file

How to use it to unlock the VIVO SIM Network?

1. First, open the SP Flash tool folder and run the "flashtool.exe" file as admin [ensure you have installed already mtk driver and libusb filter driver]
   
   
   
2. Now load the scatter and DA file in the tool
3. Now click on the "Download button" to start the write partition on your vivo mobile.
   
   
   
4. Once is Grenn OK button appears simply click there and restart your mobile.

Download Link

Vivo Y91, Y91i, Y91c SIM Unlock Network Flash File: Download