08-05-2009, 02:16 AM
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 Re: How to downgrade iTunes 8.2 without losing your library (Mac)
Why downgrading iTunes 8.2?
- Downgrade iTunes 8.2 to get back jailbreaking
iTunes 8.2 adds support for iPhone 3.0, but it prevents iPhone users from jailbreaking! If you upgrade to iTunes 8.2, you will neither be able to jailbreak your iPhone nor use SSH over USB. Apple changed some protocols in MobileDevice framework which shocked the jailbreaking community. The added security implemented some serious checks on the device hardware/software (security epoch, chipid, security domain, production mode, board id, bb chip id) before it actually lets your iPhone to sync with iTunes. This affects jailbreaking tools like QuickPwn and PwnageTool when they attempt to identify what’s connected.
If you need to get back jailbreaking, you should downgrade iTunes 8.2 to v.8.1.1 or lower.
- Downgrade iTunes 8.2 to use freeware DRM removal tool Requiem 1.8.10
Requiem 1.8.10, a freeware DRM removal software, doesn't support iTunes 8.2, so if you want to remove DRM protection from iTunes files with Requiem 1.8.10 right now, you need to downgrade iTunes to v. 8.1.1 or lower.
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