What's the matter with the sudden inability of the mobile phone to send messages? What should we do?

Should be a network problem, can be operated as follows:

1. Open the settings in your mobile phone, find the message, and click Enter.

2. Turn on the switch of sending and receiving SMS again.

Second, the second method:

1. Enter a restore point to restore network settings. Open GM, find Restore, and click.

2. Select Restore Network Settings.

Third, method three:

1. Open the settings, click General, and then find the network.

2. Enter the network and turn on data roaming.

4. Method 4: Turn on the mobile phone to dial, enter * 5005 * 7672 *+8613800ABC 500 # in the dialing interface, and then press the dialing key (+means holding down the 0 key).

1. Wireless Internet access can be simply understood as wireless Internet access. Almost all smartphones, tablets and laptops support Wi-Fi access, which is the most widely used wireless network transmission technology today.

2. In fact, it is to convert wired network signals into wireless signals, just as it was introduced at the beginning, using wireless routers to receive related computers, mobile phones, tablets and so on that support its technology. If the mobile phone has Wi-Fi function, it can surf the Internet without using the mobile Unicom network when there is Wi-Fi wireless signal, thus saving the traffic fee.

Wireless Internet access is widely used in big cities. Although the wireless communication quality transmitted by Wi-Fi technology is not very good, the data security performance is worse than that of Bluetooth, and the transmission quality needs to be improved, but the transmission speed is very fast, reaching 54Mbps, which meets the needs of personal and social informatization.