I would like to upgrade my iPhone 4 to iOS6 but I'm wondering if I will get performance loss (as when I upgraded my iPhone 3G to iOS4 : terrible).
Can someone confirm that it won't affect my day to day use?
IOS – Are there general or specific iOS6 performance issues on iPhone 4
iosiphoneperformance
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Best Answer
I have been running iOS 6 since Friday night (I ran the Golden Master that became release) on my iPhone 4.
Safari feels snappier (and show improvement on SunSpider benchmarks).
I have not noticed any degradation like the 3G iOS 4 craziness that apple gave us (I went through that as well).
I am very happy and using it (everyday) and it feels a bit better in most things than 5.