Learn how to enable a Screen Lock and Change PIN on the Signal messenger app to better protect your app and the messages in it.

Android 14's lock screen is fully customizable, so you can make some pretty big changes to let it match your needs. Here's how to customize your lock screen.

WhatsApp introduces new security feature called Chat Lock, which allows users to lock their chats with a passcode. Now, they have implemented the Secret Code feature, providing an additional layer ...

This detailed guide with screenshots covers how to change Lock Screen controls on iPhone in iOS 18 for a customized setup.

Select "General." Choose "Passcode Lock" to view all the passcode settings for your iPhone. If you already have a passcode enabled, you'll be prompted to enter the code before you can view the ...

Your face makes for a very good security check, but your passcode remains a weak spot. Here's how to change it to keep your iPhone data safe by changing your lock screen passcode.