This is usually caused by residual system cache conflicts. You will need to perform a hard factory reset. Unplug the power, hold the power button, plug it back in, and look for the Android recovery menu to select "Wipe Data / Factory Reset". If this fails, you must re-flash the original stock firmware using Method 2. 3. Remote Control or Wi-Fi Stopped Working Post-Update
Are the firmware files directly in the main directory (root) of the USB? wanbo t6 max firmware update
For the most recent files, you can check the official Wanbo Firmware Page . This is usually caused by residual system cache conflicts