Hello, you can download Tencent Mobile Manager to set privacy protection. Tencent mobile phone housekeeper-advanced tools-private space, software lock. Just follow the prompts. In order to protect the security of mobile phones, harassment interception, one-click optimization and safe slimming are carried out. Tencent Mobile Manager not only protects the security of mobile phones, but also is the password manager of mobile phones. Hope to adopt. Thank you.