If your OOONO CO-DRIVER NO1 is without light and sound after a battery replacement, it could be that the new battery is not recognized by the CO-DRIVER NO1.
In that case, we suggest you perform a reset of the CO-DRIVER NO1, to ensure the new battery is recognized by the CO-DRIVER NO1.
Here is a guide on how to do so:
- Reset guide | CO-DRIVER NO1
The first time after resetting your OOONO CO-DRIVER NO1, it may not connect automatically. To manually connect your OOONO CO-DRIVER NO1, open the OOONO app.