If you still see the error, the firmware file is either corrupted or incompatible.
Before attempting advanced solutions, perform these quick checks: If you still see the error, the firmware
Do not attempt a software restore if your If you still see the error
If you manually downloaded the firmware file before running the script, you might have the wrong file. If you still see the error, the firmware
Extract the downloaded firmware zip archive on your computer. Locate the file named UPDATE.APP .