@Kevin_Z Thanks for your reply, now I got it... Just completely missunderstood the filename of the new firmware and somehow thought it is a 1.0.9 version but now I realized it is V1 version 0.9 So as...

Hello all, I tried to update my Archer C50 V1 to a new firmware version but every time the file upload is ok, the update starts, scrollbar is counting and from about 53% it quickly rushs up to 100%,...