Upgrading iPhone 4s to 5s or wait for 6?

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The only reason I want to upgrade is cause the Wi-Fi of my 4S is acting really weird and hasn't been working for the past 2 months. But if it weren't for the Wi-Fi breaking, my 4S would still be perfect for me. So my question is should I sell it now and buy a 2nd hand 5S or sell it when the 6 comes out? What features will the 6 have over the 5S? I'm really scared that the 6 will have a huge *** screen like Androids which I'm definitely not a fan of.

I keep wondering the same thing but the more I look into it the more I realise the 4s is fine. For me it never really runs particularly slowly so it'll do from a processor point of view. The camera is pretty much the same and I actually like the size because it fits well in my pocket. I don't like the 4g plans because you hardly get any data. I can pretty much stream music with 3G. Why bother unless you're hugely bothered about a slightly bigger screen?

WAIT. In big, bald letters… Just WAIT.

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