If you have trouble in updating Amazfit Bip, please try the following steps to troubleshoot your issue:
a) Sign out of Mi Fit app and re-log in. When you open Mi Fit app, app will connect with watch and update automatically.
b)Uninstall/Install Mi Fit APP, log in to the app, and re-connect.
c) Erase Bluetooth Share Data and app caches if you are using an Android phone.
d) Reboot your mobile phone
Before updating your device, we recommend fully charging your watch or make sure it has 10% battery left. Keep your phone screen is on and do not perform other operations on your phone during upgrade.