Jin Li's mobile phone can't connect to the network.

Step 1: See if other people around you can surf the Internet. Sometimes at school or in a neighboring school, and this school is having a big exam, you may not be able to surf the Internet because of the school's shielding system, or the base station in the community may be broken. So please check whether it is a case first. Here is a simple way, that is, you can ask colleagues and classmates of different mobile operators to find out whether it is a base station problem, a personal problem or a shielding problem.

Step 2: Check whether the network connection of the mobile phone is turned on. Sometimes you may turn off the mobile data switch because the traffic is running out, so you can't surf the Internet, or you may install optimization software, such as a guard or a master, and turn off your data switch, so please check whether the mobile data switch is turned on. Check whether method setting → wireless network → mobile network is checked.

Step 3: Check whether the mobile phone is overdue and has not been restarted. Some mobile phones have been in arrears before, but they can make calls instead of surfing the Internet after they are in arrears, so please restart your mobile phone and try.

Step 4: solve the problem with software, Baidu Haizhuo hiapn, install it in the mobile phone, and select one button to set apn. This software will automatically set apn port according to your mobile phone operator. If you can't get online because of the wrong apn setting, it will help to correct it.

Step 5: Check whether the phone is in DNS connection mode, and just enter * # * # 4636 # * * in the dialing interface. Pull to the bottom to see if 0.0.0.0 is allowed.

Step 6: If GPRS is not turned on, ask human customer service.