T-Mobile trade-in promo gets you an iPhone 6s for $5 per month
 

You can be sure that carriers will be trying hard to get your iPhone 6s purchase when the device launches on September 25th, but T-Mobile may be trying harder than most. It's launching a promotion that day which will drop the cost of an iPhone 6s w...

http://www.engadget.com/2015/09/22/t...rade-in-promo/