1. Connect the adapter to a simple USB (not Android Auto USB)
2. Wait for 30 seconds.
3. Click only 15 times on the "Magic" button. After 15 times it should change color to yellow and the adapter will start the factory reset.
4. Don’t turn it off until you will see a green flashing (2-3 min).
5. Please check if you see Bluetooth and WIFI with the name "Carsifi-XXXXX" after.
6. Try that adapter works with your environment.