Downgrade
”iPhone 1.1.2 to 1.1.1 Firmware Downgrade Instructions
If you've updated to 1.1.2 and regret it, or if you're one of those new iPhone owners in Europe and want to jailbreak your phone, here's an instruction set to downgrade to 1.1.1. It's still quirky and may not work 100%, so you'll want to be careful unless you know what you're doing. [Hackint0sh]
windows
Microsoft Offering Vista-to-XP Downgrade Option to Anyone, Not Just OEMs
While many sites today are claiming that MS is only offering Vista-to-XP downgrade discs to OEMs, CNet Asia found out that Microsoft support will allow anybody with a copy of Vista Ultimate or Business to call and request a downgrade disc themselves, just like it says in the license terms. So there you have it, any Joe Schmo can pick up a Vista downgrade disc as long as they have a nice enough version of Vista. [CNet]
portable media
Pandora's Battery Unbricks and Downgrades All PSPs
Those of you who have managed to brick or accidentally upgrade your PSP have been looking for this Pandora's Battery software even if you didn't realize it. The app lets you turn any battery into an official Sony Jigkick battery, which is what their repair staff uses to unbrick (and also downgrade) your PSP. Best of all, any homebrew-enabled PSP can do this, so you can just find a buddy with a working handheld to do this to your battery so you can fix your own PSP afterwards. [Maxconsole]
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