It may be the memory problem of the mobile phone. Insufficient memory in mobile phone may affect the operation of some software, and some files need to be cleaned up. It may also be a problem with the mobile phone network.

Specific method steps can refer to:

1, cleaning: there is a mobile phone slimming in the garbage cleaning of Tencent's mobile phone housekeeper, which can be used to clean up files on the mobile phone. You can use this to clean up junk files;

2. The slow mobile phone network may be related to the network signal in the area, so you can connect to the network in another place.