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I would wait for the 6, you said you don't want a bigger screen but I would still wait to see it first maybe you might like it. And if you don't want it you can just get the 5S at a cheaper price.
Though Apple might get rid of the 5c all together, leaving the 4.7 as premium over the 5C? Who would have thought they'd remove sale of the 5?
 
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