How to Install Stock Firmware on Vivo Y91i

Download official Firmware/Flash File Vivo Y91i {Mediatek}:

Download Official Stock Firmware Flash File For Vivo Y91i. If you have Vivo Y91i Smartphone and You want to download the Stock ROM /Flash File/For it then You are on a Correct Place, You have to do this by following the Below Guide.

The Vivo Y91i is a Smartphone which is Run on android 8.1 OS and Powered by a Mediatek MT6762 Processor, the Vivo Y91i is a Dual sim Smartphone that accept 2 Regular SIM card, connectivity Option’s include 3G GPS, Wi Fi, Bluetooth etc, Sensor include Goryo proximity Gravity etc.

When We have bricked our device, then we can bring back the phone (Unbrick) using the stock firmware anytime. Also if you feel Your Vivo Y91i lag or has an issue, then flash the stock firmware from the list below and save from situation. Stock Firmware doesn’t void a warranty on Your Vivo Y91i.

Why We Need Stock Firmware?

  • to Downgrade a Phone
  • to upgrade a Phone
  • Fix Some serious issue in phone
  • Remove FRP, Pattern and Pin lock
  • fix bootloop and software issue on Phone
  • Completely Re-Installation of Board Software


  • First Make a Complete backup of Your Personal data (if Possible)
  • Charge the device at least 50% to prevent accidental shut down during the process

Firmware Information-

Device Name: Vivo Y91i
Type: Full ROM
ROM Size:
 up to 1 GB
SoC: Mediatek MT6762
Os: Android 8.1
Password: null
Gapps: included
Root access: Not
Firmware Version: PD1818GF EX A 1.5.14 VIVO MTK ALPS-RELEASE

Download Links:

Flash Tools:

  • AF flash tools 5.2 Here

USB Driver: 

How to Install Stock Firmware Flash Vivo Y91i:

  • Extract downloaded stock firmware..
  • Install Mediatek Vcom driver on Your computer.
  • Download & Extract smartphone Flash tools on computer
  • From the flash tool folder Run SP_Flash_tool.exe

  • Go to Download tab Click Scatter and Load Scatter File from ROM Folder

  • Select Download only (if we select ‘Format & Download’ it wipe NVdata too Which is risky). Click Download & Connect Your switched off Phone.

  • You can see Flashing Process On screen. after complete unplug & switch it on

How to Flash Vivo Y91i via AF tool:

  • Lunch aftool
  • From the Mediatek tab Locate Scatter File
  • connect Phone to computer by Pressing volume up & down key, Click Start/Download
Read also:
  1. How to unlock Bootloader
  2. How to Repair IMEI Number

So this is a Complete Guide to Download Firmware and Flash This Device. if You have any question Let Me Know via Comment.


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