Samsung Galaxy Y Duos GT S6102 Hard reset:
HARD RESET STEPS:
• Switch off the mobile
• Press and hold the power + volume up + home button
• Samsung galaxy logo will appear even then also keep pressing the button, then screen will switch off and Samsung logo will appear again now remove the finger from power button but keep pressing the other two button
• Now recovery menu will appear here select wipe data factory reset
• In sub menu select delete all user data
• Now the process of hard reset starts
• Mobile is free from pattern lock.