I'm using Redmi Note 2 with Mi account added. I can't log in with any account to Mi Fit but newly registered account can. It shows 'couldn't sign in, try again". I think it is a problem with Xiaomi's servers. So seriously!
![[R]eplica](https://secure.gravatar.com/avatar/d3dc23c47c54a179853b9717d67c02e5?s=96){kind=avatar}
