They're notoriously good about this. If a phone's processor lacks a component necessary to make it function, it will be difficult to compensate for that through

They're notoriously good about this. If a phone's processor lacks a component necessary to make it function, it will be difficult to compensate for that through software. I'm sure Apple would've loved to get an extra 50m folks using a payment network that they get a cut of, but they couldn't, so buy an iPhone 6 if you want to use it.