Replace the mandatory provider interface with clean, ad-free launchers like ATV Launcher or Wolf Launcher.

Download and install the on your Windows PC. Disable driver signature enforcement in Windows if the drivers fail to install correctly.

Ensure the ZTE box is completely powered off and the power cable is unplugged.

Replace provider advertisements with a clean, stock user interface.

MediaTek (MTK) or Broadcom chipset variants (Verify your specific board version).