Do not get a 4S, get a 5c* or a 5s. The iPhone basically doubles in speed with each new release.

* the 5c is basically an iPhone 5 in a different case and is twice the speed of the 4S, the 5s is twice the speed again


Edited by andy (13/12/2013 15:36)
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Remind me to change my signature to something more interesting someday