3 ms·Ever year I say "this will be the year I upgrade." iPhone 4 with ios 5.1.1 here. Still seems to work...by dhimes 13y agoEver year I say "this will be the year I upgrade." iPhone 4 with ios 5.1.1 here. Still seems to work...crishoj 13y agoIt's noteworthy that you actually have the option of upgrading, several years after you purchased your device.dhimes 13y agoI was thinking of getting a new phone as well.