Here's the guide regarding how to restore back or hard reset Samsung Galaxy Y S5360 to it's original factory default settings . This technique is helpful should there be a lag , frozen , hang or unresponsive problems . This may not be recommendable on certain aspect , as it will wipe and erase all the data saved from your Samsung Galaxy Y , thus just be sure to do a back-up copy of every of the essential files that you had on your own device .