To connect the watch to the Mi Fitness APP, you need to make sure that the phone can connect to the network and turn on the Bluetooth switch of your phone.
If the phone is set properly but still cannot connect to the watch, please refer to the following steps:
1. Please try to turn off the Bluetooth switch of your phone and then turn it on again;
2. Slide on the QR code interface, select restart, and restart the watch;
3. After the watch restarts, try to connect the watch again in the APP.