@Sunshine thanks it works.. BUT will post it here for other guys - I bought it on Amazon.de in the official TP Link store... nothing to do with Drei.

Same problem as topic starter has, pls help me to update mr600 v2 EU version Firmware Version: 1.4.0 0.9.1 v0001.0 Build 210805 Rel.63527n Hardware Version: Archer MR600 v2 00000002 No one of the...