iPhone Chat

You don't sync an iPhone with an iPhone's backup.

When restoring an iPhone with iTunes after the current iOS version is reinstalled, you are prompted to restore the iPhone from your iPhone's backup which is the default selection. The other selection is as a new iPhone or not from the backup.

If you didn't chose from your iPhone's backup when prompted, you'll need to restore the iPhone with iTunes again.

The screen flickering for me is random too, I have it while browsing facebook, Ipod and also messaging. I am going to call apple 2moro and if no joy i will be returning it to get a replacement. The phone as worked fine for the 1st weeks i have had it. The problem as recently started occuring the past few days.
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I've had the same problem. I had the phone for about 3 days and out of the blue the screen started flickering. I couldn't tell whether I was able to turn the phone off or not as the screen was black and I couldn't see a thing. I called Apple 3 times. The first time they said it was probably because of my case and the sensor. Not the issue! Then they said it was probably my case, to remove it and see if the problem still persisted. It did! So I called them back a third time and they sent out a box for repairs. I should be getting the phone back tomorrow but I am not sure if they fixed it or replaced it. I'm actually still not sure what the actual problem really was.They probably won't tell me. However, if you are having this problem I suggesting contacting Apple and getting it fixed. We pay a lot of money for these phones and I do not even have a home phone, just a cell. So I was out of a phone for about a week. They told me that I could get a loaner phone but I had to pay a $199.00 deposit, the cost of the phone originally. No way! If you need to contact me bad enough, email me!If anyone knows the actual cause of the problem, I'd like to know!
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Same problem. Started a few days ago. Happens about once a day and is temporarily fixed by "slide-off". About to go into store to get a fix/replacement. I'll let you know...
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i have the same issue. shwest's description sounds just like what i am seeing.brought it to the genius bar, they replaced the phone. several hours later it was happening again. went back to the genius bar where i was told it must be a software problem (not an ios problem, of course, but an app problem) and that it was my responsibility to load the apps one at a time to see where the problem is.my current line of thinking is that i’m going to wait this out and live with the problem for a while — until apple releases ios 4.1 anyway. i’m not going to download any new apps, or update any existing apps. when the ios update comes out i will install it. if the problem goes away then we can blame it on the ios (and cry foul on apple for again revealing their arrogance and refusing to acknowledge and correct yet another issue of theirs.)i have created a blog about the problem and posted two videos to youtube. http://apple.caringcostsextra.org/which includeshttp://www.youtube.com/watch?v=xTOQQQrg0zQhttp://www.youtube.com/watch?v=7AlG64_eKiw
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The chances of you getting two iPhones with the exact same issue is very slim. Especially when you consider the size of this thread and the millions of iPhone 4 owners.Its much more likely that you(and possibly the others in this thread) are experiencing the issue because of a corrupt backup or some 3rd-party accessory.I did notice you are using a black USB cable with the iPhone.Does it have the "Works with iPhone" logo? http://support.apple.com/kb/HT1665
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No, you can update to iOS 6.1.3 directly using iTunes and an Internet connection to your computer.  See if it helps to restart your computer, open iTunes and connect your iPhone.  Make sure their is adequate space on our hard drive for the backup and iOS download.

No one here knows.

Every warranty claim is on a case by case basis. If not determined to be caused by accidental damage or abuse, it should be exchanged under warranty at no cost but only Apple can answer this for certain.