What are the symptoms of the virus in the mobile phone?

Cell phone poisoning is generally divided into three types:

1. deliberate virus

The main reason is that the mobile phone is slow, deleting or hiding files in the mobile phone increases the memory occupation of the mobile phone! Frequent crashes and other obvious phenomena;

2. Malicious virus

Generally, it is hidden deeply, which leads to malicious loss of expenses. Generally, it is manifested as sudden increase of expenses or subscription to short messages, sudden increase of expenses, and customization of services without customization;

3. Prank virus

Generally, it is malicious communication, which is not harmful, mainly causing obstacles to users' use, and its main characteristics are obvious.