Yusun LA4-S Stock ROM (Official Firmware )
On this page, you will find the direct link to download Yusun LA4-S Stock ROM (firmware, flash file),We also provide Stock ROM for other Yusun Devices for free. The Firmware package contains Firmware, Driver, Flash Tool, and How-to (Install) Flash Manual.
You can use this firmware file to flash Yusun LA4-S. If also you want to upgrade or downgrade your smartphone, then , you can use this stock rom ,Yusun LA4-S firmware flash file can also help to fix a lot of problems on your smartphone ,Some problems like hanging, battery drain, app crashing, and other problems , You can use this stock rom to remove the locked screen, remove root, fix many system errors, and unbrick Yusun LA4-S.
The Yusun LA4-S Stock ROM will help you to downgrade or upgrade the stock firmware of your Yusun LA4-S Device. It will also help you to fix any software related issue, bootloop issue, IMEI issue.
Download Yusun LA4-S Stock ROM (Firmware file)
ROM File Name : Yusun_LA4-S_V0112_4.4.4_QFIL.zip
ROM File Size : 569 MB
Download Flash Tool : Qfil Tool
How to Install : See Tutorial
How to Flash or Install Yusun LA4-S Stock Firmware (ROM)
Detailed Guidelines with picture
Readme Once Please :
[♥] Download 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: Flashing or installing the firmware will wipe the user data from the Yusun LA4-S device. Therefore, we request you to take a backup of your data before flashing the firmware.
[♥] Yusun LA4-S USB Driver: If you are looking for the original Yusun LA4-S USB Driver, then head over to the Yusun USB Driver page.
[♥] The Yusun Company Officially releases the above Yusun LA4-S Firmware . Official ROM helps you to fix the device if in case your device is having any Bootloop, Hang issue, or Dead Issue.
[♥] Request Yusun Firmware: If you are looking for any specific firmware that is not listed above, you can request it through the comment box below (do not request firmware through the contact page, or else it will be ignored).