This post you can learn How To Remove Pattern lock on your call phone samsung I9082 Galaxy grand. Sometime kids is try unlock your device try wrong password and your device is lock. you also forget your gmail lock or you can't login your gmail account at this time how do you can reset your device. At First Backup Your All Data Contact, Message, Photos, Videos etc than Remove Sim Card and Memory Card.
For Hard Reset Battery Charge Need 70% Up.
1. Turn off Your Device ( Pressing Power Key). after off your call phone remove battery and reinsert.
2. After That Press and Hold Volume UP + Home + Power Key Until Show Logo on Screen.
3. When Show Logo On Screen Release all Keys.
4. After Few Second Show Android Recover Menu Than Select
This option "wipe data / factory reset" Use Volume Down Key To Scroll And Power key To Confirm.
5. at this time select this option "Yes -- delete all user data" Press power key.
6. Now You Need To Chose This option "reboot system now" Press Power Key To Finish.
wait few second until device is restart solve your problem.
Done
For Hard Reset Battery Charge Need 70% Up.
1. Turn off Your Device ( Pressing Power Key). after off your call phone remove battery and reinsert.
2. After That Press and Hold Volume UP + Home + Power Key Until Show Logo on Screen.
3. When Show Logo On Screen Release all Keys.
4. After Few Second Show Android Recover Menu Than Select
This option "wipe data / factory reset" Use Volume Down Key To Scroll And Power key To Confirm.
5. at this time select this option "Yes -- delete all user data" Press power key.
6. Now You Need To Chose This option "reboot system now" Press Power Key To Finish.
wait few second until device is restart solve your problem.
Done