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janaFlag for United States of America

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Restore an iTunes backup of iPhone 7 to iPhone 6

We have an iPhone 7 with a bad camera and need to send to the shop.  We also have an old iPhone 6.  We proceeded to restore the iPhone 7 backup to the iPhone 6 and a message appeared saying the backup is either corrupt or the device is incompatible.  So we concluded this can't be done.

Nevertheless, we always ask EE for their opinion: is there a way to restore an iPhone 7 backup to an iPhone 6 device?
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Gerwin Jansen
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ASKER

Ok, didn't think about that.

How do we upgrade prior restore?
Just upgrade the iOS of your iPhone6 to the version (or later version) of the iOS installed on your iPhone 7 prior to restoring your backup
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ASKER

But the iphone 6 is restted no data.  How can we do this if not restored?
Reset as a new iphone
Update iOS
Reset again
Restore backup
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Of course, didn't see that, thanx!
The firmware in an iPhone 6 is different than the firmware in an iPhone 7. See if the steps above work. My thinking is no, you cannot do this. Once advanced, Apple does not go back easily.
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I can confirm it is not possible to downgrade iOS versions.  You should be able to restore the phone from backup, as previous Experts have replied.  I've heard jailbroken phones can do this, but jailbreaking is not advised as it voids the warranty of the phone.
Yep, I've downgraded iOS that way as well.
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For some reason I started restore (see pix below):

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However we stopped it because our iphone 7 was placed and just came in.

So maybe, if we would have let restored completely it would have also given the message of incompatible.
Most likely you would have got the message "incompatible" or "cannot do this"
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Actually, those message appear if the IOS is not compatible.  We upgraded to the lates IOS (which our backs was on), and it seem to work.  As far as we have seen by all the times we have been woring with this problem, the "Time remaining: About XX minutes" only have displayed when IOS is compatible.