article_snippet.sent: Google also offers an alternative way to unlock an Android phone - and Google involves using your face.
article_snippet.sent: The Face Unlock feature was originally introduced in 2011 as part of Android 4.0, also known as Ice Cream Sandwich, but despite this, The Face Unlock feature is still a relatively unknown tool.
article_snippet.sent: The Face Unlock feature has not been officially announced by Google, but has begun to appear on some Android Handsets .
article_snippet.sent: To set up Face Unlock, people with Android phones running Ice Cream Sandwich or higher can go to Settings, Security, click on Screen Lock and select Face Unlock.
article_snippet.sent: Once a photograph is taken a photograph is stored in an encrypted file and each time a person wants to unlock their phone with their face, the Android system will cross-reference the image with a photograph.
article_snippet.sent: stored in an encrypted file and each time a person wants to unlock their . phone with their face, the Android system will cross-reference the . image with a photograph.
article_snippet.sent: When Google launched Face Unlock Google was criticised by security experts because Google could be bypassed by holding static photos up to the phone or tablet's camera.
article_snippet.sent: In the update to Android Jelly Bean in July 2012, Google added a 'liveness' check in an attempt to prevent these static images being used to gain access to devices.
article_snippet.sent: Google already lets Google users enable two-step verification for Google online accounts, and offers Face Unlock on Android.
article_snippet.sent: With Face Unlock, pictured, Android users can use Android users face to unlock Android users smartphone or tablet, in place of a PIN or a pattern .
article_snippet.sent: A number of Nexus 5 users reported problems with the Face Unlock feature when the phone  launched earlier this year, but Google has said that these bugs should be fixed with the introduction of Android 4.4 KitKat.
highlights_snippet.sent: Google introduced Face Unlock in Android 4.0 Ice Cream Sandwich .
  