If the device can be found in Weloop APP, but can not be connected, please follow the steps below
1.[ setting] ﹣﹥[ Bluetooth ]. Forget/Cancel your device in the bluetooth device list.
2.Reboot your phone ,then search and connect your device directly in the WeLoop App (If you can not find it in the App, please try to turn on GPS switch on your phone and try again)