The problem that bothers many Black Shark 4pro users is that they don’t know how to set the app lock? Regarding this issue, PHP editor Strawberry specially prepared this tutorial for everyone, which introduces in detail how to set up the Black Shark 4pro application lock. With this tutorial, you will easily add security locks to your important applications to protect your privacy and data security. Come and read below for detailed steps!
1. Open the phone settings and click [App Settings].
2. Click [App Lock].
3. Enter the privacy password to enter, select the application that needs to be hidden on the hidden application page, and turn on the switch behind it.
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