Apple Watch Series 9 GPS cannot measure cardio fitness/ Vo2Max
My series 9 cannot measure cardio fitness , no matter how I did (update software, set privacy, open cardio fitness, calibrate, input height weight, exercise various in long duration). Repairing it costs similar to buying new one. How can I do ? Does anyone have the same problem?
[Re-Titled by Moderator]
Original Title: Series 9 GPS cannot measure cardio fitness/ Vo2Max
Apple Watch Series 9