How to Install official Firmware on Vivo Y55S

Official Firmware Vivo Y55S-

official Stock ROM firmware for Vivo Y55S is Here, in the article you will Learn how to Install stock ROM/flash file on Vivo Y55S. if you own a Vivo Y55S smartphone and want to Install Stock Rom/ firmware on it to unbrick or fix bootloop issue then you are on correct place, here i will Explain a Complete and Step by Step guide to Install Stock Firmware on Vivo Y55S.

The Vivo Y55S is a Latest Smartphone which is Run on android 6.0XX OS and Powered by a QCOM Processor, the Vivo Y55S is a Dual Sim Smartphone that accept 2 Regular SIM card, connectivity Option’s include 3G 4G, GPS, Wi Fi, Bluetooth etc, Sensor include Goryo proximity Gravity etc.

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

Pre-Requirement’s

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 Y55S
OS	Android 6.0XX
Chipset	Qualcomm
language	Multi Language
Root access	Not Rooted
Gapps	Included

Require tools and Files-

File Name	Download
QPST	Download
Driver [Must Require]	Download
Stock ROM/Firmware Vivo Y55S	Download
Backup NVRAM [Must Require]	Go–Here

How to Install Stock ROM on Vivo Y55S-

Download & Extract QFIL tools
Download & Extract Firmware Package
Install QD Loader usb Driver on PC
Connect Phone to PC & Reboot to EDL use code Via adb: adb Reboot edl
You Can usb Driver Like below Image in Device Manager

Run QFIL and Load Programmer and XML Files From ROM Folder
Click Download

Wait until Success. Your Phone Rebooted…