Downgrade?

[qwerty1211]

Hey, so I've been thinking about this for a long time whether or not if I should upgrade to iOS 9 beta due to all the bugs and all of that jazz... and yes I did decide to upgrade but I have one question... (well two..)

Are you allowed/able to downgrade iOS 9 beta 3 to iOS 8.4?

If so, are you allowed to keep your files? (ex: contacts, imessage history, apps, etc)

 

[batting1000]

If you made a backup while still on 8.4, you'll be able to get your stuff back. Only way to go back is to restore to the 8.4 .ipsw, which is why you'd need an 8.4 backup to get your stuff back.

 

[qwerty1211]

If you made a backup while still on 8.4, you'll be able to get your stuff back. Only way to go back is to restore to the 8.4 .ipsw, which is why you'd need an 8.4 backup to get your stuff back.

So if I backup before I update to 9.0 then I'm all cool when I return back, correct?
Thanks!

 

[batting1000]

So if I backup before I update to 9.0 then I'm all cool when I return back, correct?
Thanks!

Correct.

 

[batting1000]

So if I backup before I update to 9.0 then I'm all cool when I return back, correct?
Thanks!

Make sure you archive the backup so a new one doesn't overwrite it.
http://www.cultofmac.com/236975/stay-safe-archive-older-ios-backups-via-itunes-ios-tips/

 

[The Doctor11]

So if I backup before I update to 9.0 then I'm all cool when I return back, correct?
Thanks!

Will you be doing public or dev?

 

[qwerty1211]

Make sure you archive the backup so a new one doesn't overwrite it.
http://www.cultofmac.com/236975/stay-safe-archive-older-ios-backups-via-itunes-ios-tips/

Thank you again!

 

[qwerty1211]

Will you be doing public or dev?

Public

 

[The Doctor11]

Public

Because your doing public you won't be able to just download the 8.4 IPSW. Not a problem though. Do the same back up while on 8.4 just when you want to downgrade you have to do a DFU restore.

 

[batting1000]

Because your doing public you won't be able to just download the 8.4 IPSW. Not a problem though. Do the same back up while on 8.4 just when you want to downgrade you have to do a DFU restore.

You can just dl the 8.4 .ipsw from the internet and alt restore to it in iTunes.

 

[The Doctor11]

You can just dl the 8.4 .ipsw from the internet and alt restore to it in iTunes.

You could. A lot of those IPSW sites are pretty shady though...

 

[batting1000]

You could. A lot of those IPSW sites are pretty shady though...

Most of them just have the direct Apple links. Been using http://www.felixbruns.de/iPod/firmware/ for years now without any issues. All it does is aggregate the official Apple download links into a big menu with all of the devices and latest versions.

 

[skinned66]

Don't forget that Apple signs and verifies the package. If it has been tampered with, installation will fail. It's probably the site itself that is the bigger concern.

 

[dhlizard]

If you made a backup while still on 8.4, you'll be able to get your stuff back. Only way to go back is to restore to the 8.4 .ipsw, which is why you'd need an 8.4 backup to get your stuff back.

Do an iTunes backup on 8.4, then open iTunes preferences, choose devices tab and right click on the back-up and archive it to protect it.