I am not sure yet but I might return this. The screen is beautiful and I love it, however, even the 6 us hard to use one handed which really is useful in bed at night etc... What are my options in case I wanna go back to the 5s?
You could return and buy the unlocked 5S that Apple has on sale for $599 right now. Or buy one used somewhere and return the 6. http://store.apple.com/us/buy-iphone/iphone5s