@btx Although the RMA is in progress, I could give it another try... Would you be able to give me a link and a simple instruction, how to search for the OC200's IP via this so called 'arp'? To be...

@btx The link you posted above I've done, and completed with succes. Only the OC200 kept offline. In my Omada router I gave all connected Omada hardware, and some LAN connected hardware, a fixed IP...

If you search the internet you'll find more cases like this. People update the OC200 firmware and it get's bricked. Unfortunately a lot of them need to return their OC200 for RMA/warranty, because it...

@Tortax Thanks for the tip. In my earlier searches for a solution, I also found this support page. I followed all the steps, and all when perfect, but in the end my OC200 was still offline.

@Hank21 1. Do you still remember which firmware you were using before? And which firmware version you were upgrading to? Unfortunately not, it was the most up to date FW during the month januari...

@Somnus I only can reach the OC200 when pushung the reset button during initialisation/power-up, and then via 192.168.0.253 But this is the recovery menu only ofcourse, no normal connection possible...