Specifically:
Then navigate to /mnt/system/app (or /mnt/system/system/app on older versions). Delete unwanted APKs, add your preferred launcher’s APK, and optionally edit build.prop to enable ADB by default: add lines like ro.adb.secure=0 and persist.service.adb.enable=1 .
). These tools are essential for developers and hobbyists looking to "unbrick" a TV, customize the OS, or port firmwares. Top MStar Firmware Tools Key Features MstarBinTool-GUI General Use
Insert a USB drive containing a working stock firmware file.
Release the button when the firmware upgrade progress bar appears on the screen. Method 2: The UART Serial Console Flash