nUnlock is a good and free Android application that is also available for Symbian, which is in the Security category of the Blocking subcategory and has been created by ThinkChang.

More information about nUnlock

This app is available to users with Android OS 1.5 and above, and is only available in English. Its current version is 1.2 and was updated on 6/07/2011.

Since the program is part of our collection of programs and apps in 2011, it has already reached 10,480 downloads, and during the last week it reached 0 downloads.

Regarding nUnlock, it is a very light program that requires much less free space than the average of the apps in the Security category. When you press the button, you will download the apk file of nUnlockLite.apk, which is 173 KB.