PIECE - User Quick guide:
1. Insert your micro SIM card into PIECE by following the direction on the back.
2. Long press the on/off button on PIECE, until you see the green and red light flashing.
3. Open PIECE app, go to setting > search PIECE > connect the respective PIECE.
4. After you hear "Beep" sound from PIECE, it means the device is connected to your phone.
5. Wait until the green light flash every 6 seconds.
6. Now you can call and text.