If you were or still are a fan of video and computer games then this basic quiz shouldn't be much of a challenge. And don't forget you build up your Dreevoo knowledge profile by going through this short tests.
If your phone doesn't want to boot up again after the update, it gets stuck in a black screen, follow this tutorial where we root the Galaxy SII with Odin and put an official Samsung Android 4 ICS on it.
If you use a lot of different usernames and passwords it is difficult to remember all of them. KeePass is an interesting solution where all your passwords are kept in one safe place and protected with one password.