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Jumping between iOS 6 and iOS 7 as a developer

PNutts

PNutts

macrumors 601
Original poster
Jul 24, 2008
4,874
357
Pacific Northwest, US
Asking here instead of the Dev. forum because I can. :) This is my first transition to a iOS version.

With the .ipsw files downloaded from the Dev Portal, how long am I able to downgrade to iOS 6? I've never JB but I've seen lots of posts on backing up SHSH blobs. Is that necessary to jump back and forth between iOS 6 and iOS 7 for an undetermined amount of time? Or is being a registered Dev with the appropriate files enough? Thx.
 
PNutts said:
Asking here instead of the Dev. forum because I can. :) This is my first transition to a iOS version.

With the .ipsw files downloaded from the Dev Portal, how long am I able to downgrade to iOS 6? I've never JB but I've seen lots of posts on backing up SHSH blobs. Is that necessary to jump back and forth between iOS 6 and iOS 7 for an undetermined amount of time? Or is being a registered Dev with the appropriate files enough? Thx.
Click to expand...

No, you cannot go back and forth. You can only install versions if iOS that apple is signing. Once iOS 7 is released, the iOS 6 window will be open for a few hours to maybe a few days. After that,
It will be impossible to use any version of iOS other than iOS 7.
 
Tyler23 said:
No, you cannot go back and forth. You can only install versions if iOS that apple is signing. Once iOS 7 is released, the iOS 6 window will be open for a few hours to maybe a few days. After that,
It will be impossible to use any version of iOS other than iOS 7.
Click to expand...

Gotcha. I've never tried to downgrade. It's the signing part I don't understand and will bone up on it. Thanks for the info!
 
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