How To Reset Pattern Lock Or Password Lock On Android Without Factory Restore
Before you continue, You may wish to checkout a similar post about unlocking your Android phone:
How To Unlock Your Android Phone After Lock Limits Have Been Exceeded
Download this app Aroma File manager from the Link. Download Here
1. Copy Aroma File manager.zip to your memory card.
2. Open your recovery (press volume Down + Power button or it can be different in some other Device : ( if it doesn't work, Use Google to get your device info)
3. There’ll be an option in recovery called “mount” . Go to that option and then mount all cache , system.etc.
4. Then select “update” and select “apply update from SD/external” and select aroma file manger.zip ( the file you downloaded. )
5. After Flashing or updating, the aroma file manger will open. Use volume keys for up/down and power button to select like your use in recovery.
6. In aroma File manager , Go to menu , which is located in bottom strip and then select Settings.
7. Go to bottom and select “mount all partition in startup ” then exit from aroma file manger.
8. Now after exit , re-update that aroma file again and it will open again.
9. Go to data >> System.
Then find ‘gesture.key’ (for pattern lock) and ‘password.key’ (for password lock) then long touch on gesture.key or password.key and some option will be prompted , choose delete and delete that file and restart.
Done and enjoy :
Note : Use Exit option in Aroma File manager don’t direct reboot in Recovery.