Others have had problems with that firmware and Zwift. So yes, should probably downgrade. I’ll see if I can find the instructions.
Edit - see Zwift won't adjust power and terrain after latest Wahoo KICKR firmware v4.21 - #16 by Tom_Antonucci
Others have had problems with that firmware and Zwift. So yes, should probably downgrade. I’ll see if I can find the instructions.
Edit - see Zwift won't adjust power and terrain after latest Wahoo KICKR firmware v4.21 - #16 by Tom_Antonucci