Install H Band from App Store / Google PlayEnable Bluetooth + location (Android)Open H Band → “Mine” / add device → scanSelect your watch from the listDon’t pair from phone system Bluetooth first — pair inside the app

Bluetooth on? Watch charged?Restart phone + watchRemove old pairing from system BluetoothKeep watch within 0.5m while pairingOne watch = one phone at a time

1.The device is bound to another host. 2.The device is not compatible with HBAND. 3.The device is low on battery and has been powered off.

Enter 0000

Pull down on home screen to force sync. Keep app running in background, watch battery >20%, Bluetooth in range.

Enable notification permission for H Band, allow specific apps (WhatsApp/WeChat/etc.), disable Do Not Disturb, keep app in background. On Android, add H Band to battery whitelist.

iOS supports HealthKit sync (steps, sleep, heart rate). Android depends on app version / device.

Health data is encrypted and not shared with third parties without consent. Background GPS is used only for route tracking.

Continuous HR + background GPS + frequent sync. Lower sync frequency and disable unused notifications.