Why doesn't my nail display information, but it will when I open it?

It may be that the old application is not compatible with the latest system version of the mobile phone.

You update your application to the latest version in Huawei application market or official website. Or check according to the following:

1. Enter the mobile phone housekeeper and click Traffic Management >; Networking applications, finding applications, and checking mobile data and WLAN options.

2. enter the mobile phone housekeeper, click traffic management > save traffic mode (smart save traffic), and turn off the save traffic mode or smart save traffic switch. If you don't want to turn off the traffic saving mode, you can find the application under the list of applications that are not limited by data consumption and turn on the switch.

3. Search and enter mobile network/mobile data in the settings, and select Advanced >; WLAN/ mobile data connection switching prompt, click to change the status to automatically use mobile data connection. Note: After setting this option, there will be no prompt to switch to moving data. Please pay attention to the traffic consumption of mobile data in time.

4. Enter Settings, search and click Always keep network connection when entering hibernation, and turn on this switch.