2. Check whether the mobile phone data is enabled and slide down the screen curtain with your hands.
3. Set "mobile data" to green.
4. On the standby page, click the menu key in the lower left and select "set ".
5. Select "more ".
6. Select "mobile network ".
7. Select "Access Point Name", click the menu key in the lower-left corner, and select "reset to default settings ". After setting, you can access the Internet.
8. If you still cannot access the Internet after the operation, we recommend that you restart your phone.
9. if you still cannot access the internet after resetting the Internet access parameters, you can try to create a new APN, choose application> Settings> More> Mobile Network> Access Point Name, click menu, and select new APN ], enter the name (Enter the name at will), APN: cmwap (mobile card), uniwap (Unicom card), 3 gwap (3G card), proxy: 10.0.0.172, Port: 80, no other settings required, finally, press the Menu key, and then press save to save.