@TP-Link Thank you very much! Two weeks ago I have received a replacement unit which has the v1.3.0 firmware and I didn't update it yet because I thought that updating to v1.4.0 could have been too...

@tenska83 I'm tempted to ask Amazon for a replacement but afraid that I'm only going to lose time, probably the software is faulty... @TP-Link can we have a download link for the V2 unit's 1.4.0...

Hello, today I just received a brand new Archer MR600 v2 with firmware version 1.4.0 0.9.1 v0001.0 Build 210727 Rel.33453n and I have the exact same problem. I was changing 4G bands in order to find...