When you don't use your old Samsung phone any more, you'd better erase all data on it. However, normally deleting and resetting can't erase the data completely. MobileTrans helps you to erase data on your Samsung phone permanently to protect your privacy.
http://www.youtube.com/watch?v=WMrpnppbNrs [youtube.com]
Works with any Samsung Mobiles:
Galaxy S: S6/S6 Edge+, S5, S4, S3;
Galaxy Note: Note5, Note 4, Note 3;
All other phones: Galaxy A7, A5, J7, J3, E5, etc.