How to speed up the network;
1. Open the settings and click WIFI.
2. After connecting to WIFI, click the exclamation mark at the back.
3. Select Manual in DNS settings.
4. Delete the original DNS address and add the server.
5. Add 180.76.76.76 at this time.
6. Add another114.14.114, and then save the settings.
7. It's very fast now.