Thanks for the reply. I unplugged the device for various power cycles such as for 5min, 15min, 30min, 1hr and overnight as well before trying to firmware recovery each time but no luck with that, I...

Hi All, I have an isolated network for experimenting with devices, which includes an ER7206v2 router, an OC300 Omada hardware controller, and 2x TL-SG3428 switches. Yesterday, I was updating the...