STEP 1: Download and install iTunes 10.1 beta 2 (Mac OS X, Windows)
STEP 2: Now, you need to download the right gold master version for your device:
- iPhone 4, get it from here.
- iPhone 3GS, download this.
- iPhone 3G, from here.
- iPod touch 4G, from here.
- iPod touch 3G, this one for you.
- iPod touch 2G, have fun with this one.
- iPad 3G and Wi-Fi, get this one.
STEP 3: Connect your iPhone into your computer via USB and iTunes hold Alt (Shift in Windows) and click on the 'restore' button then point it to one of the gold master files you download above. Wait for between 10 and 15 minutes for the new OS to be moved over.
Finally have fun, you can also jailbreak iOS 4.2 (not unlock) using our step by step guide posted here. Also keep in mind that iOS 4.2 should go public sometime next week, but who wants to wait? of course let us know if you faced any problems by commenting in the section below, we would love to hear from you! [Thanks Brian Sweet for making this possible]
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