1. Check the network connection: Make sure the phone is connected to a stable network, such as Wi-Fi or mobile data. If you are using Wi-Fi, you can try turning the Wi-Fi switch off and on again, or connecting to other Wi-Fi hotspots with better network signal.
2. Switch the network: If you are using a mobile data network, you can try to switch to the Wi-Fi network, or turn off and reconnect the network after turning on the flight mode.
3. Refresh the network settings: In the settings menu of the mobile phone, find and enter the network settings option, and then try to refresh the network settings or reset the network settings.
4. Clear cache and history: Try to clear the cache and history of mobile browsers and applications, which can improve the speed of network connection.
5. Update the software: Make sure that the application of Tian Tian Fund is the latest version, because the updated version may solve some potential network problems.
6. Shut down background running programs: Shut down some unnecessary background running programs to release more network resources.
7. Contact customer service: If the above methods fail to solve the problem, you can try to contact the customer service of Tian Tian Fund Network to find out whether there are server or technical problems and seek further help.
In a word, the network problems of Tian Tian Fund's mobile App can be solved by checking network connection, switching networks, clearing cache and history, updating software, closing background running programs and contacting customer service.