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VIVO Y66 PD1621 IMEI Repair (Orignal) Play Store Fix Firmware  

  Downgrade

 DOWNLOAD

How to Downgrade

Download Downgrade Firmware 

install QFil Tool

Open QFile

Conect Phone in EDL Mode

Select Port

Select Build Flat in QFile

Click Browse Programmar Path

Select loader

Click on Load XML

Select rawprogram file

select patch

click Download

flashing will start

Play Store Fix

 DOWNLOAD

How to Fix Play Store

Download Play Store Fix Firmware

Extract

How To Flash

This File Work with UMT QC Fire

Open UMT QC Fire tool Go to Flasher Tab, 

Click on Flasher

Select Rawprogram xml File in Program File Patch file will be auto load in Patch if not then seletct it menualy Click on Patch then select patch,Conect phone in edl mode 

How to enter EDL Mode

Power off Phone Then Press Both Volume Buttons then insert usb cable.

after conect phone in edl mode Click on Flash wait until flashing  complete don't disconect usb cable or close software during flash

after flash every thing fixed play store English Laguage etc.

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