The mobile phone card suddenly can't send short messages online.

If the mobile phone can't access the Internet, it is recommended to try it according to the following steps:

1. Check whether this will happen to other mobile users around. If so, it may be a local network signal problem.

2. Check the Internet settings of the mobile phone, you can reset the network parameters and restart the operation of the mobile phone.

3. Check whether there is still phone bill in the account and whether the mobile phone status is normal.

4. Replace the mobile phone to test whether the SIM is normal.

If you still have problems, you can call local 10086 to reflect the situation, and we will serve you wholeheartedly.