My husband also has a 2013 and his is fine. I don't want to do my 2013 because it's all white backgrounds which makes my vision go double. Both the 2013 models we have are LTE and the 2012 is 3G - the 3G model may be more of a problem than the wifi only. I always update my 2012 first because it's just a backup. This way if I really hate it I don't do the 2013.
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