It will remove all the data ,contacts and apps that you installed
Hard Reset :
Volume Down & Volume Up Together Then Press Power
Now Select Recovery Mode Using Volume Down
Now Press Power Switch (For Recovery Mode)
After Recovery Mode Come
You Need Press Power Then Volume Up
After Comment Enable
Now You Can Wipe
Samsung Galaxy Nexus I9250 Restore Factory Hard Reset Format Phone.So lets start the Samsung Galaxy Nexus I9250 Restore Factory, Samsung Galaxy Nexus I9250 Hard Reset.Turn Off the mobile phone for few mints.Samsung Galaxy Nexus I9250 Remove Pattern Lock.
Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.