A. 1. Limit background activity: Go to Settings > General > Background App Refresh and turn it off for Amplifon to reduce battery usage.
2. Lower screen brightness: Reduce the screen brightness or enable 'Auto-Brightness' in Settings > Display & Brightness to save battery life while using the app.
B. 3. Close unused apps: Regularly close other apps running in the background to free up resources and reduce battery drain.