On this page, you can download the Official Official Yusun LA4-S Stock Firmware ROM (flash file) on your Computer. The Firmware File comes in a zip package that contains the Firmware, Flash Tool, USB Driver, and How-to Flash Guide.
Yusun LA4-S Stock ROM (flash file)
The official Flash File (Firmware or ROM) from firmwarecare.com helps you to re-install the Mobile OS on your Mobile Device. It also allows you to fix the device if facing any Software-related issue, IMEI issue, or Bootloop issue.
Package Name: Yusun_LA4-S_V0112_4.4.4_QFIL.zip
Package Size: 569 MB
Flash Tool: Qfil Tool
How-to Flash: Follow Guidelines
How to Flash Yusun LA4-S Stock ROM
- Download and Extract the Yusun LA4-S Stock Firmware on the Computer.
- Once, you have extracted the Package, you will get the Firmware, Flash Tool, Driver and How-to Flash Guide.
- Install the provided USB Driver on the Computer.
- Once Driver is installed, Open Flash Tool on the Computer.
- Once the Flash Tool is Launched, Connect your Device to the Computer using the USB Cable.
- Click on the Download or Upgrade button on the Flash Tool to begin the Flashing process.
- Once the flashing process is completed, Disconnect your Yusun LA4-S device from the Computer and Restart the Device.
Follow Complete Guidelines
[*] Flash Tool: If you are looking for the latest version of QFIL Flash Tool, then head over to QFIL Flash Tool page.
[*] Take a Backup: We recommend you to take a backup of your data before flashing the Stock Firmware, as flashing the firmware will delete the personal data from the device.
[*] 100% Original: On firmwarecare.com, we only serve the original firmware released by the device company in its original state. We have Scanned the firmware using the Kaspersky Antivirus before sharing it online.