If you are having trouble connecting to the app. Please download the following utility to check and see if the Bluetooth BLE is functioning properly.
Steps:
1. Download and install "nRF Connect" from the App Store
2. Start the app and press "Scan" and wait until it's done scanning.
3. Locate the device that begins with "SMT_xxxxxxxxx" (Should see one after scan)
4. Press "Connect" to see if you can connect to it.
5. If you can then the SmartTerra BLE is working ok