When I would listen to music and surf the net over 3G data at the same time, the music would sometimes skip. Completely unacceptable. Other applications would often have a few second lag too before I could interact with them. This even was true for answering the phone. If I was for example reading email and a call came in, the phone would go to the call screen, but wouldn't allow me to answer it right away. The swipe-to-answer finger gesture wouldn't work as the screen would be unresponsive for a few seconds. If the caller didn't stay on the line long enough I'd miss the call. Very irritating. This was never a problem on the 3G with previous versions of iPhone OS.
So, I downgraded back to OS 3, following these good instructions.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2L8paWVyJbHq1w-vt5QSpKPaxZTACVsTiGyMZKjI6BMQQArOlXMWGMk58yCwbmVntj6YJDM8Ys-asTGJKU2kERGJf4fp7_MQsJBzYbvKv_Utdk8j2z61iGcvSTSFur_OCsZPs3A/s400/iPhoneRestoreBackups-edited.jpg)
While reports of lag with the 3G are common, people have not been reporting it with the iPhone 3GS. While the iPhone 3GS has a faster CPU, I suspect it has more to do with memory. The 3G has 128 MB RAM, while the 3GS has twice that, at 256 MB. That's a huge difference, presumably saving on page-outs to flash memory. (The iPhone 4 has 512 MB RAM, which is actually twice as much as the iPad.)
I don't know if Apple will be able to address this performance issue on the 3G with future iOS 4 point updates. Hopefully they will, but no guarantees. At this point the iOS 4 features are not a big loss though, since multitasking of third party apps isn't offered on the 3G anyway, and folders as currently implemented in iOS 4 aren't something I will miss much. However, in the future, iOS 4 will be more of a necessity, as applications will eventually start requiring iOS 4 or higher to function.
1 comment:
Apparently it's an easy fix http://www.roughlydrafted.com/2010/07/07/how-to-speed-up-your-iphone-3g-running-ios4/
seemed to improve my 3GS as well
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