Hi!
I bought an iPhone 6 last year with iOS 9 installed. I have recently upgraded to iOS 11 (prior to that, I had upgraded to iOS 10) so restoring my phone to the last update via iTunes is not an option now.
Does Apple officially support installing iOS 9 on my iPhone again? (e.g. from this source)
If i install iOS 9 from that source will I be able to restore the backup I made on iOS 11 (photos, contacts, apps)?
Thank you very much!
EDIT
The backup is stored in iCloud
I bought an iPhone 6 last year with iOS 9 installed. I have recently upgraded to iOS 11 (prior to that, I had upgraded to iOS 10) so restoring my phone to the last update via iTunes is not an option now.
Does Apple officially support installing iOS 9 on my iPhone again? (e.g. from this source)
If i install iOS 9 from that source will I be able to restore the backup I made on iOS 11 (photos, contacts, apps)?
Thank you very much!
EDIT
The backup is stored in iCloud
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