Specifically I'm asking about US usage, as it seems that used Verizon 5c are fetching less in the used market than the pure GSM model. This was discussed a little, back in the 5c/5s rollout thread, ...

Pushing an ota update, even if it is possible on the iPhone, and forcing it upon the owner of a phone is illegal. So if you want to stay unlocked, don't upgrade the phone. It sounds like you're ...

Contrary to initial reports, the Sprint version of the iPhone 4S will not come with an unlocked microSIM slot allowing customers to pop in international SIMs; it will be able to roam on international ...