@rewe68 Hi Hank21, finally I could upgrade the router to the latest firmware. First I did a hardware reset and re-adopted the router in the omada controller software and tried to update the firmware...

@Hank21 thank you Hank21. I will reset the router when there is a good timeslot. I thought I will end up with a reset. I'll let you know about the result as soon I did it.

@Hank21 Thanks for the hint. I used Firefox only. Tested to update with Edge and Chrome incl incognito mode, unfortunately without success. Message: [Failed]Failed to upgrade Router-ER605 to firmware...

@Hank21 Hi Hank21 , to answer your questions. 1. You have unzip the fimrware file and upload the .bin file on the controller; --> Yes, file was unziped and the .bin manually uploaded within the...

I tried several times to upgrade the ER605 (European version) from v2.1.1 to v2.1.2 always with the error message "Upgrading Router-ER605 failed because the upgrade file is invalid. Please select the...