A. 1. After setting your desired colors and settings, look for a 'Save' or 'Apply' button within the app. Make sure to tap it before exiting the app. 2. Check if there is an option to create a profile or scene that saves your settings. If available, use this feature to save your customizations.

B. 1. Ensure that the app has permission to access your device's storage. Go to Settings > Privacy > Storage and check the app permissions. 2. If the app has a cloud backup feature, enable it to save your settings.