If you're using the OBDeleven, you don't need to pair it via Bluetooth. You just need to turn Bluetooth on, click "Connect" on the OBDeleven app, and choose your device from the list.
If you're using the OBDeleven, you don't need to pair it via Bluetooth. You just need to turn Bluetooth on, click "Connect" on the OBDeleven app, and choose your device from the list.