Vivo 1820 Y91i Pattern/ PIN/ Password/ Face Lock & FRP Remove

DEVICE INFORMATIONS:

 Manufacturer: VIVO

Model Name: Y 91i

Code Name: 1820

Processor: Mediatek (MTK 676)

OS: Fun Touch (Coustom OS Based on Android)

Android Version: Android Oreo 8.1.0 

DOWNLOADS:

Require Tools: SP Flash Tool [Media Fire, IndiShare, Google Drive]

Require Firmwares:

 [Media Fire, IndiShare, Google Drive]

WHAT TO DO?

1. Download SP Flash Tool & Run.
2. Replace DA file with file in the Folder named DA_PL_MT6762_0321.
3. Now, choose Auth File.
4. Select Flash File.
5. Switch Off Phone & Connect it with Computer via USB Cable (Don't Press any button). 

 Now

Congrats your Vivo Y91i is now unlocked.

Now Don't Close SP Flash Tool. Now disconnect your phone from PC.

Now It's time to remove FRP Lock of your phone.

Now go to the "FORMAT TAB" in SP Flash Tool & select manually 

and enter address:
0x5588000

0x100000
Switch Off Phone & Connect it with Computer via USB Cable (Don't Press any button).

& switch it on. It takes some minutes to boot. After