To troubleshoot the Mug Life app that's not functioning, follow these structured steps:

Check Your Internet Connection

1. Ensure you have a stable internet connection. Try switching between Wi-Fi and mobile data to see if the app works on one and not the other. Sometimes, a firewall on your Wi-Fi network may block the app's access.
- If you are connected via Wi-Fi, disable it and switch to your mobile data, or vice versa - learn more.

Restart Your Device

2. Restart your Android device. This can resolve many temporary glitches that might be affecting the app’s performance.

Update the App

3. Check for updates:
- Go to the Google Play Store and search for Mug Life. If an update is available, download and install it. Keeping the app updated ensures you have the latest features and bug fixes - learn more.

Clear Cache and Data

4. Clear the app's cache and data:
- Go to Settings > Apps > Mug Life > Storage. Here, tap on 'Clear Cache' and then 'Clear Data'. Note that clearing data might remove some stored information within the app - learn more.

Reinstall the App

5. If the issue persists, uninstall the app:
- Long-press the Mug Life app icon and select 'Uninstall'. Afterward, go to the Google Play Store, search for Mug Life, and reinstall it. This can help resolve deeper issues that weren't fixed by simply clearing the app data - learn more.

Check for Device Compatibility

6. Ensure that your device is compatible with the app. Check the app's page on the Google Play Store for the requirements.

Contact Support

7. If none of the above steps work, contact Mug Life support for assistance. You can find their contact information on their support page - learn more.

By following these steps, you should be able to identify the underlying issue with the Mug Life app and potentially restore its functionality.