US mobile carrier AT&T has been running a promotion for Samsung’s smartphones, if you buy one on a new contract you get another handset for free, this include the Galaxy S6, Note 5 and more and it looks like they are also offering this on the iPhone 6S.
If you activate or upgrade a new iPhone 6S on AT&T between now and the 31st of December, you can either get a free 16GB iPhone 6S or a $650 credit on your bill towards the purchase of another iPhone 6S or 6S Plus.
According to MacRumors, the $650 credit is spread out in 28 or 30 mo9nthly payments, so you will get a credit each month towards an AT&T Next plan for the handset.
AT&T has not officially advertised this deal on the iPhones, although it is available if you visit one of their retail stores or contact them directly.
Have a look at our top 10 tips to improve iPhone battery life.