Yes the file is unzipet
I was restart the router and upload RT-AX58U_386.4_0 again. Then it upload and seems to be installed. But i still have the Firmware Version:386.3 after restart
Invalid Firmware Upload
Firmware upgrade unsuccessful. This might result from incorrect image or error transmission, please check the model name RT-AX58U and version of firmware from support site and try again.
I have updated:
RT-AX58U_386.3_beta1.zip OK
RT-AX58U_386.3_beta2.zip OK...