II. Upgrade Firmware via Android App
1. Make sure you turn on BLE for mobile device and open LT-10 App.
2. Turn on device by putting magnetic under device's LED for 4 seconds, it would blink
Red 3 times.
3. Putting magnetic under device's LED for 2 seconds till you see Red LED blink twice.
Then move magnetic to be far from device.
4. Click Scan button, it will search for LT-10 device and click it which you would like to
do settings as the following left picture. After pairing with the device, it would get
settings.
14