Is it safe to set the screen lock password and pin password for mobile phones?

Set the screen lock password and pin password on the mobile phone, and Alipay will pay safely. The phone is set with the power-on password, that is, the screen lock password, which is not only the power-on but also the idle standby state, which can ensure the security of various accounts. Set the screen lock password, only the correct password can unlock the screen, and only when the screen is unlocked can the payment platform software be used online. Pin password is the personal identification password of SIM card. A security measure used to protect the SIM card and prevent others from stealing the SIM card. After the PIN code is enabled, you must enter a 4-8-digit PIN code every time you turn it on, whether you turn it off, restart it or insert a mobile phone card, so that you can make calls and send and receive short messages. If the input is wrong for three consecutive times, the card will automatically lock. So even if someone plugs your mobile phone into another mobile phone, you can't use the mobile phone verification code to modify your WeChat, Alipay and bank card passwords and steal your personal property.