@Sunshine The error is the below: Error code 71211 Filed to upload the upgrade file. Please select the correct file. My current firmware is 1.2.0 0.9.1 v0001.0 Build 220818 Rel.69350n My hardware is...

@Sunshine I get the error below when trying to install the reported firmware:

I'm having the same exact issue (disconnect every 1.5 days) with Archer MR500, firmware 1.2.0 0.9.1 v0001.0 Build 220818 Rel.69350n. Tried the solution proposed in the thread with no luck. I opened a...