Huawei's mobile phone text message disappeared as soon as it was received. What happened? What should I do if I was poisoned?

1, the first method is to check whether it is a system problem. It is suggested to use 360 security software to kill virus first, then back up important data, and then restore the mobile phone to factory settings.

2. The second method is as follows:

① Turn on the mobile phone to dial: enter *#*#4636#*# and a menu will pop up, displaying mobile phone information, battery information, battery records, usage statistics and WiFi information.

(2) Touch the mobile phone information to pop up the current connection information of the mobile phone and download it to the end. Find and set the preferred network connection type: View the current network type.

③ Preferred network types generally include: WCDMA preferred, GSM only, WCDMA only, GSM auto(PRL), CDMA Auto (PRL), etc. , according to the choice of mobile phone sim card. For example, if it is a mobile 2G card, GSM auto(PRL) is the last choice.

(4) (4) SMSC settings will be brushed out under normal circumstances as long as you click Update to refresh. After setting, press the back key to return to the desktop, and then restart the phone.