Why is the text message pasted by Huawei mate9 gone?

1, there is not enough memory in the mobile phone to save this information, so it just disappeared. 2. The mobile phone can only store a certain number of short messages, and the excess will be automatically deleted. 3, it was intercepted by the security software of the mobile phone. 4. This will happen if the mobile phone is poisoned. Solutions; 1, if the memory of the mobile phone is insufficient, you can directly delete some unused software and files, and you can also receive text messages in the future. Mobile phone can only store certain information, so you can delete the previous information and receive new information. 3. The mobile phone security software intercepts, indicating that this information is fraudulent or promotional, and the security software directly intercepts it. 4, mobile phone poisoning, so install anti-virus software, such as Tencent mobile phone housekeeper, Norton security software mobile version. Are very good mobile phone antivirus software, which can kill mobile phone viruses and protect mobile phone security;