When you use the Angell application for the first time, or after an update to version 1.1.11, a new authorisation request will be displayed after your authentication.
This authentication is required to operate the navigation function on your Angell bike.
Android 10:
Just click on the "Always allow" choice
Android 11:
Click "Allow this in settings".
This will open your system settings, and you can enable permanent location tracking via the "Always allow" choice.
Subsequent procedure:
If you have not chosen the "always allow" option, you can change your choice by following this procedure. Go to your system settings.
And select "Apps & Notifications". Then select the Angell application
Then click on "Authorisation"
Then select "Location"
Finally, choose the option "Always allow"