Launch the Settings app and Security or Biometrics (Fingerprint, face, or password).For Android 10 and Android 9.0 Pie (using built-in device feature)Īpply lock on the app screen to keep it un-access until you unlock. In addition, the processes to apply lock apps are different based on the phone operating system you are using (Android or iOS) and the phone model (version). Some of the phone apps come with a built-in lock feature, and for some apps, you need to install a third-party app on your device to apply a lock on them. It helps you protect your data from unauthorized use if other persons (kids, friends, or partners) use your Android phone for any reason. However, sometimes you may need to add extra protection to your apps that hold and access credentials (sensitive) and private information. In this digital era, everyone is taking advantage of the phone's built-in lock feature and protecting them with fingerprint, PIN, pattern, or face-lock (or all of them). Now, modern Android phones and tablets are coming with built-in lock functionality to protect your phone from unauthorized use. Next → ← prev How to Lock Apps on Android

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