Unlock android lock.. of all types

then go to customization settings>reset customization>then reboot

hope it will work..

this will help u.(taken from youtube).

Now there are various reasons for which people can't come out of this situation -

Either they don't know the ID/Password.

The Packet Data is not activated, so even if right ID/Password is entered, it wont help.

The Internet setting of respective Network Service Provider is not installed.

It was a hard time for me to swallow the truth that, MY PHONE WAS LOCKED, as the account in the phone was of someone else's. I googled the solution for this, but found unusefull tricks unlocking the phone as they needed the phone to be in USB Debugging mode. But, somehow, i managed to find a solution to this(though it was done accidentally). If you go at any mobile shop they take ample amount for doing simple steps for unlocking it. I will tell you what they do. You need to follow some simple steps. I have tried the technique on Samsung Galaxy Y (Young). Probably it may work on all android devices

Turn off the phone

Long press the upper volume key, menu key and the power key simultaneously

relieve for a fraction as soon as you see the screen display in "Samsung Galaxy Y young" again press the 3 keys simultaneously

Now you will see a screen displaying "Android system Recovery"

    5.  select the 3rd option("Wipe data/factory reset") using the volume keys and press the centre menu key

                                                                              

6.  select the "Yes" option again using the same keys.

    7.  after some time, it will say, the reset is done

    8.  just select the reboot option and your phone is UNLOCKED.

Though it will wipe all your data,i find it relevant as it saves some of your bucks.

It's done...!!!