The failure of lg refrigerator app is caused by the incompatibility of cache data between the previous version of app and the new version of app. Solution:

1. Enter the application management in the settings of the mobile phone, and select lg refrigerator app in the application list.

2. Select Clear Data and Clear Cache.

3. Click the lg refrigerator application icon again.

4. If it still doesn't work, you can choose to completely delete the lg refrigerator app and download and install it again, thus solving the problem that the lgAPP can't work.