Anyone use an iPhone5?

So yeah - I've had my Samsung S4 for about eight months now, and its been a joy. But about ten days ago, I was forced to update my software to the one with improved NSA spyware - by forced, I mean none of my apps would work until I updated it. Since the update, nothing works at the optimum level - My web browsers have all slowed down, and the damn thing is just pi$$ing me of in general. So change is needed... anyone have the iPhone5, and would you recommend it? Don't really care about spyware or big brother.... just want a functioning phone