Download Yusun Stock ROM

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On this page, we have managed to share the Yusun Stock ROM Firmware (Flash File) for all Yusun smartphones and tablets.

All the following Yusun Stock ROM (zip file) contains the original Yusun USB Driver, Flash Tool, and the Firmware File. After Downloading the firmware, follow the instruction manual shipped with the firmware to flash or install firmware on mobile.

Yusun Stock ROM

Whats Yusun Stock ROM and its Advantage

The Stock ROM (Mobile OS) is the Most Stable ROM released by the device manufacturers depending on the device model and Android version. However, the Stock ROM don’t offer many customizations or features for the device.

While in general third-party firmware (Custom ROM) has system bugs and stability issues. In this case, you may experience battery issues, network issues, camera issues, missing features, lags, overheating, slow performance, and many more. But whenever you switch to Stock ROM, you can quickly fix them all.

Advantages of Yusun Stock ROM

  • Unbrick the device.
  • Upgrade or downgrade Mobile OS.
  • Fix OTA update issue.
  • Fix a problem with the device startup loop.
  • Fix bugs on your phone.
  • Fix Lag or Stuttering on the device.
  • Fix battery drain issue.
  • Software performance improvement.
  • Returning a stock ROM entitles the warranty on the phone.

Download Yusun Stock Firmware

Model Name Download
Yusun L88 Firmware
Yusun LA-M1-1 Firmware
Yusun LA2-T Firmware
Yusun LA4-S Firmware
Yusun LA5-W Firmware
Yusun LA6-L Firmware
Yusun T21 Firmware
Yusun T22 Firmware
Yusun T50 Firmware
Yusun T55 Firmware
Yusun T85 Firmware
Yusun T808 Firmware
Yusun W35 Firmware
Yusun W88 Firmware
Yusun W91 Firmware


[*] After flashing (installing) the Yusun Stock ROM on your device, you may need to flash (install) the IMEI using the IMEI tool provided with the firmware file. If you are going to flash the IMEI, then flash the Original IMEI that comes with your device.

[*] Yusun USB Driver: If you are looking for the original USB Driver, then head over to the Yusun USB Driver page.

[*] Request 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).

[*] Credits / Copyright: All of the above files are free provided by Yusun, Inc. So full credit goes to them for sharing the firmware for free.