Samsung Galaxy S2 GT I9100 – Tutorial to Install Face Unlock Feature

Sanjana January 5, 2012 0

Android 4.0 Ice Cream Sandwich comprises of a variety of wonderful features and one of the latest and most prominent feature is the Face Unlock Feature. This feature is in fact something that every Android user would love to have. However this feature can only be applied by ICS users and not by every Android user. As for now this Face Unlock Feature will only operate on Samsung Galaxy S2 GT I9100 powered with the Rooted XXKP8 Android 4.0.3 Firmware.face unlock galaxy s2

Thus to set up this Face Unlock Feature, you need to first update your Samsung Galaxy SII I9100 with XXKP8 ICS 4.03 firmware and after updating it you have to root your phone on XXKP8 ICS 4.03 firmware. Before proceeding into the updation procedure you must confirm that you are running on ICS Android 4.0.3 XXKP8 firmware. Navigate to the path  “Settings > About Phone > Firmware Version” to find out the exact version of Android OS.

We wont be responsible for any harm caused to your device during the set up procedure that is unlikely to happen if you follow the instructions carefully. The set up procedure is only applicable to Samsung Galaxy S II GT I9100 smartphones that are network unlocked and not for Galaxy SII I9100G users so do not try it in any other devices as it might not be reversible and will harm the device by blocking it. In case you are not sure about the model number of your phone, you can find it by dialing “*#1234#” in your phone.


Backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup can help you replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Download Face Unlock Package

Steps to Install Face Unlock Feature in Samsung Galaxy S2 GT I9100:

Step-1: Download Face Unlock Package from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’s SD Card without renaming or modifying it. After copying is over, remove the connected USB Cable.

Step-2: Power off your phone to enter into Recovery mode by pressing Volume down key + OK button and holding both press Power button simultaneously. In Recovery mode choose “Wipe data/Factory reset” then “Wipe Cache partition” to clear all cache data present in phone and reboot your device by clicking on “Reboot system now” option via Volume Rocker keys. If the phone boots normally then repeat the button combination till you enter into Recovery mode.

root xxkp8

You can refer to the video mentioned below to know more about on how to enter into Recovery mode.

Step-3: Next choose ”Install zip from SD Card” > “Choose zip from SD Card” then select the Face Unlock  Zip file placed in your phone. It will take less than a minute for the updation process to complete. After the updation process is complete, you will again land up in Recovery mode. Now choose “++++Go Back++++” then “Reboot system now” option to reboot the phone. Here it will take more than the normal time to restart the device. You can also update this package alternatively via Clock Work Mod Recovery.

Thus by following the above simple steps you can easily update the Face Unlock Feature on Samsung Galaxy S2 I9100 running on ICS Android 4.0.3 XXKP8 firmware.

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