How to Install Stock ROM on Vivo Y21L [Firmware Flash File/Unbrick]

Today we have the latest stock ROM flash file for the Vivo Y21L based on Android 5.1 Lollipop. To install the firmware flash file, we need a software called...

Mohammed Huwais

Last updated on October 18, 2022

Mohammed Huwais

Author

I started my career as a blogger in 2014 and also worked on an Android niche platform to gain extra income. I cover the topic on How to guides, software updates, Custom ROM updates and also product review. I'm 24 years old, completed MBA (Master of Business Administration) from Sikkim Manipal University.

Stock ROM and its importance in Smartphones

Stock ROM is the operating system that comes pre-built when you buy the device from a retailer. Usually when a person needs to customize his device with custom ROMs and other modifications he opts to move on from the stock firmware. However, when things go wrong during any modification, reverting back to the stock ROM is the only option that can solve this issue.

By installing a stock ROM you can solve the issue of bootloop, device bricking. Besides, you can perform system OS upgrade or downgrade as per your choice.

Advantages

You can unbrick your bricked Vivo Y21L.
Fixes the bootloop and instability issue as well.
To upgrade or downgrade your Vivo Y21L.
You can skip the Screen Lock and remove malware as well.
To fix bugs lags on your Android Device.
You Can Remove root on your device [Unroot]
You can Restore Stock ROM after using Custom ROM.
This Software Update helps to solve the issue with WiFi, Bluetooth, and more.
You can fix the soft brick issue on your Vivo Y21L.
You can preload Google Applications as well.

Steps to Flash Vivo Y21L Firmware File

Now, before we get straight to the Steps of stock ROM installation, make sure to follow the requisites section below and have the flash tools and drivers installed on your system.

Pre-Requisites

The stock firmware provided here is for Vivo Y21L. Do not flash it on any other phone.
We recommend having at least a 50% charge on your device before installing the firmware.
A PC or Laptop.
Make sure to take a backup of your device data. You can Backup your phone Without Root.
Alternatively, if you have TWRP Recovery installed on your device, you can create Nandroid Backup through TWRP Recovery.

Disclaimer

GetDroidTips will not be responsible for bricking, hardware or any kind of software problems arising on your while you follow this guide to install stock ROM on your phone. First, understand the tutorial and then follow it at your own risk.

Firmware Details

Device Supported: Vivo Y21L HH6
Tool Supported: QFil or QPST tool
Android OS: Android 5.1 Lollipop
Processor: Qualcomm Snapdragon 410
File: Software Update
Gapps File: Included

Now, grab the stock firmware, flash tool, and drivers for the Vivo Y21L from the link below.

Required Files

Firmware Flash File:
- PD1309F_EX_A_1.17.2: Official Download
- Vivo_Y21l_PD1309F_EX_A_1.7.1_29062016_QFIL: Download [Full ROM]
Download QFil Flash Tool | For QPST Flash File, you can use the QPST Flash tool.
Install the Latest Vivo USB Drivers

Method 1: Instructions to Install via QFIL Tool:

Download the Qualcomm Flash image loader tool and USB Drivers on your PC. Follow the below link to install the firmware using QFIL tool

Guide to Install Stock ROM using QFIL Tool

Method 2: Instructions to Install via QPST Tool:

Here are the instructions you need to follow in order to install Stock ROM on the Vivo Y21L :

First of all, do all the PREREQUISITE STEPS and Now Open the Extracted QPST Folder
You will find two files with the name: Qualcomm_USB_Drivers_For_Windows.rar and QPST.WIN.2.7 Installer-00429.zip
Open the QPST Win folder and Install the QPST.exe file on your PC/Laptop
After Installation, Go to the Installed Location in the C Drive
Open the QPST Configuration
Now in the QPST Configuration, Click on Add new port -> Select the com port of your device -> and close it
Now Open the EMMC Software Downloader in the same folder located all the QPST Files
In EMMC Software Downloader, Check program boot loaders -> Browse for the device com port
Now Click Load XML Def and browse for rawprogram0.xml in folder ROM in EMMC Software Downloader (If you didn’t extract please extract the ROM and then browse the file rawprogram0.xml)
Now tap on Load Patch def and browse for patch0.xml in folder ROM
Check the search path 2 and browse for the folder ROM
Now click download, wait for the download to finish (it never finish but it also detects for a new driver, and that’s important) and it will search for the new hardware found, install the driver
That’s it! Once your installation is done! Reboot the phone! Congrats, you successfully installed Stock ROM on Vivo Y21L.

So, that’s all about how to install stock ROM on Vivo Y21L. We hope this tutorial was useful to you. If you find any difficulties or have any doubt, do let us know.