Looking to open a few new lines on Sprint? Want to upgrade your family’s phones without breaking the bank? Walking into a Sprint store on Friday could be your best answer. According to a sign obtained by Phandroid, Sprint will offer buy-one get-one (BOGO) deals on the Samsung Galaxy S III, the Samsung Galaxy S II and the Galaxy Victory on Friday. The deal will last through December 24th, so you’ll have plenty of time to pick up a few of the aforementioned devices ahead of the holidays. Which one do you have your eye on?