Want to downgrade zst27_sc138_13_(20240801)


  • Where can I locate older firmware files for my  G13 QCM6125.  The most update file (20240801) has a major bug that does not permit any APKs to run in PIP.  I want to downgrade to the older one I think was March 2024. 



  • Hi Thomas,

    Here are some tips to help you get the work done:

    ①G13 Version:Make Sure your unit is QCM6125 Andorid 13

    zst27_sc138_13_(20240826)

    https://www.dropbox.com/scl/fi/ujyt7s2xivnp8q3b2hwhc/update.zip?rlkey=tdb3dxnis4ri6u85we8s0q9k6&dl=0

    1.Please download the document through the link via your computer/laptop.(Do not rename and Unzip the file)

    2.Please make sure to format the USB drive before copying the update file to it.ONLY put Update.zip file into the USB drive.

    3.Then insert the USB drive to the USB cable,it will pop out the firemware updating tips.

    If you finished the update but still having issue with the app,please kinldy get back to us!


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