@DavidHB I have the Same problem. I have now updated to the latest beta firmware but still same problem. DECO must fix this problem asap. Update: I can't even downgrade now to 1.1.7 either. This is...

@e3henri i bought the m9 yesterday, 3 units and with V2. I can also confirm that I cant update the firmware to 1.2.1.1