1. Download the Async bike App;

2. Finish registration;

3. Band your A1 to App.

IOS download from Appstore, Android download from Google Play, by searching "Async bike".

Note: You must band your A1 from Async bike App, never band A1 directly via bluetooth or it will fail to work.

If you have banded your A1 through bluetooth, how to make it right.

1. Find A1 in your bluetooth list, then click 'i' icon, " Ignore the device".--- this operation is on your phone.

2. Open the Asyncbike  App, re-banding your A1. T--- this operation is on App.