New answers tagged iphone-3gs
I believe that you have to go in the order of the updates available. Sometimes this makes more sense for Apple to do instead of merging all of the updates into one, at least for smaller updates. After you update to 4.2, if your device is compatible with any higher versions, it should recommend the latest version of it.
download 4.2.1 .ipsw from ipswdownloader.com. open iTunes, it shows that your iPhone is in recovery mode. press shift on your keyboard and click restore. select the .ipsw file downloaded. select Restore the phone will be restored and then you can re-jailbreak it.
Voice memo's didn't sync like music with older versions of iTunes. With any current version of iTunes it should sync properly. I doubt that this question is still active, but for future problems I've added an answer.
It happens because a quick jog of the plug causes a short interruption in line level. It's the same with headphones -- Apple or otherwise -- that include a play/pause button (usually place on the cable itself, where it splits to go to each ear). That button functions in exactly the same way, by momentarily interrupting line-level on the phone's cables. ...
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