Have a sense 2 which is around 18 months old. The battery has suddenly started draining quickly which means I am having to charge it on a daily basis. I have done numerous resets and get a red X on the screen each time. I have also done a factory reset, deleted the Fitbit app on phone and reinstalled it. I have done everything suggested in similar posts in the forum but it is still not working properly. Can you help please?!
