Apple has begun offering unlocked, SIM-free iPhone 5S handsets to customers in the US. The company's latest iOS smartphone comes without any carrier attachment starting at $649 (£401) for the 16GB ...

Apple released the iPhone 5s in September 2013. But if you still have one, Apple has just defined it as obsolete. So, its repairability has just changed, among other things. Here’s what it means.