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Hi all. I've updated my IOS to 5.1 on my iPhone 4 and I'm getting a repeated issue where the screen will randomly go black very quickly as if it's gone to sleep. It happens predominantly whilst using the camera but on occassion whilst using various apps. I've tried touching the screen to 'wake' it but that doesn't work and I can only reactivate the phone by pressing the home button which brings the phone back to the homescreen.
The camera also takes a long time to wake. Often it will open and display the closed apperture image for a good few seconds.
Is it worth my while downgrading to IOS 5.0 and waiting for a bug fix?
Downgrading is not supported by Apple so not possible. Have you tried to reset the iPhone by pressing and holding the sleep/wake button and the home button for 10-15 seconds until the Apple logo appears, ignore the red slider. Then turn back on. You won't lose any data doing the reset.
Downgrading is not supported by Apple so not possible. Have you tried to reset the iPhone by pressing and holding the sleep/wake button and the home button for 10-15 seconds until the Apple logo appears, ignore the red slider. Then turn back on. You won't lose any data doing the reset.
I would suggest you try a restore to see if that helps http://support.apple.com/kb/HT1414

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