T-Mobile will upgrade your iPhone 6 to upcoming ‘iPhone 6s’ for free

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T-Mobile today announced that any customer who buys an iPhone 6 for $15 per month through T-Mobile’s JUMP! On Demand trade-in program will automatically be eligible t upgrade to ‘iPhone 6s‘ or whatever Apple’s next-generation iPhone is named when it’s launched later this year. The monthly promotional price of $15 will also be carried over [...]