Pre-Requisites
- The stock firmware provided here is for Vivo Y55s. 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 Y55s
- Tool Supported: QFil or QPST tool
- Android OS: Android 6.0 Marshmallow
- Processor: Qualcomm MSM8917 Snapdragon 425
- File: Software Update
- Gapps File: Included
Now, grab the stock firmware, flash tool, and drivers for the Vivo Y55s from the link below.
Method 1: Instructions to Install via Recovery:
First, you can try the official method to install the OTA stock ROM update via Vivo device recovery. Follow the guide link given below to install the OTA update on the Vivo device.
Guide to Flash The OTA/Firmware via Vivo Recovery
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
Here are the instructions you need to follow in order to install Stock ROM on the Vivo Y55s :
- 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 Y55s.
So, that’s all about how to install stock ROM on Vivo Y55s. We hope this tutorial was useful to you. If you find any difficulties or have any doubt, do let us know.
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