This happened to mine was only about six months old so I went an the fitbit app and went on Contact Customer Support they have live chat they go trough every thing with you nothing worked so I had to send it back to them and they sent me a new one might be worth a try I found them very helpfull and they got me sorted out hope this helps
Best AnswerSorry It's changed go on help fitbit. Com you pick your watch scroll all the way to bottom and it say let's talk go on that then it will say live chat
Best Answer