1. Switch Off Your Phone
2. Press and hold Home Button + Volume Up + power on button and wait for 5 second until Android System Recovery menu appear then leave the buttons. If you do not hold it till recovery menu appears then it will enter in normal mode. So see that you enter in Recovery mode.
Samsung Galaxy Pocket Duos GT-S5302
4. You will get four options and Select Wipe Data/ Factory Reset Option using Volume Key . Then Confirm by Select Yes Delete All User Data. Using Volume Down Key and Confirm it.
SamsungGalaxyWWIPE
5. Wait Some Seconds. Then Select Reboot System Now Option And Confirm
Now Your Phone Will Restarted. After completing the Hard Reset Process your smartphone will come to normal.
Note=Next you can restore your data back from Samsung KIES by selecting the
restore option.
Enjoy Frnds Any Problem Cont Me Comment