How to Install official Stock Firmware Vivo Y66i

Download Stock Firmware/Flash File Vivo Y66i:

Official Stock Firmware Now available for Vivo Y66i, if you own Vivo Y66i Then you Can Download This Firmware from below Links, This is Not a Complete Firmware Package it’s Only a OTA Package Flashable with Stock Recovery. It’s a incremental update for Vivo Y66i Which Improve System stability Performance and Security of Vivo Y66i. if You need Repairing Firmware for Vivo Y66i Then Check out it Here for free. Let’s get Start for update process.

Note-

1. This Guide is work on Listed Devices only. So Please Don’t try it on any other Phone.
2. Flashing The ROM by Flash tools will Erase all Your Data. So create a backup of your Personal data before Flashing, [if possible]
3. Please Do carefully, We are Not Responsible for any damage, bootloop, or dead SD card’s.
4. Ensure that your Device at-least 50% charge During Flashing Process,to Stop the Accidentally Switch off.
5. Follow all steps correctly otherwise it cause bootloop.
6. Must backup NVRAM using this Guide before Doing anything.

Must Require:

1. backup NVRAM
2. backup Your Personal data
3. Create a nandroid backup

Download 

PD1621B_A_1.5.12:

Product Name: Vivo Y66i
ROM Size:
 1.9GB
SoC: QCOM
Product version: PD1621B_A_1.5.12
Os: Android 7.1
Type: OTA [QFIL version will be added Soon]
Password: null
Download: androidfilehost

How to Install Stock Firmware on Vivo Y66i:

  1. Download update Package from above and Move it to Device Storage.
  2. Reboot Phone to Stock Recovery by holding Volume Up and Power Button [In Switched off Mod]
  3. then Click Apply update From Storage.
  4. Locate Downloaded File
  5. Confirm and wait For success.
  6. Done/