1. Open the phone settings, as shown:
2. Select Security in the menu bar below, as shown:
3. Then select Apply Lock, as shown:
Then he has very detailed tips on how to set and confirm the password. Because it is very detailed, I won't say much here.
If it has been set, you can directly enter the password.
4. Then we find Alipay, QQ and WeChat, and click Open, as shown below:
Once set, you can quit. At this time, when you open QQ, Alipay or WeChat, you must enter your password.
If you have other methods, please leave a message in the comments section below.