If you are unable to update (or upgrade) your app in the App Store or Google Play, please try the following.
- Restart your smartphone.
- Check your communication connection.
- Toggle your Wi-Fi connection.
- Toggle Airplane mode on and off.
- For Android, clear your cache and app data from the Play Store app.
- Check your smartphone security settings.
- Turn on automatic update settings.
- Free up storage space on your smartphone.
- Update your smartphone's OS to the latest version.
If the problem persists, you may want to try contacting Apple or Google for support.