Note:  If your iPhone is not jailbroken and this is your first time, jump ahead to Step 3.  Jailbreak at your own risk.  If you brick it, it ain’t my fault.

1. Backup content if applicable (via SSH)
   • Custom ringtones
   • Custom themes (if you made your own)
   • Photos, videos, etc.
2. Familiarize
   • Create a list of all your downloaded apps from Cydia (i.e. SBSettings, Categories, Winterboard, etc.)
   • Unhide any hidden apps, and remove apps from thier folders.  It may not be necessary, but I always do it as a precaution.  This one time, I updated to FW 2.2 and forgot to remove my Settings.app from a Categories folder.  That shit disappeared.
3. Update
   • Update iTunes to version 8.2.  Just launch iTunes and it’ll prompt you about the update.
   • Update your iPhone to 3.0 through iTunes.  It’s safe to do this.  You’ll also be able to backup your contacts, calendars, App Store downloads, media, etc.
4. Jailbreak
   • Download either PwnageTool (OS X) or redsn0w (Windows) and follow the instructions to jailbreak your device.  You’ll also need a copy of the .ipsw file (use Google).
   • Install your previous Cydia apps.  Note that not all are required/compatible with FW 3.0.
5. Software Unlock (applies to iPhone 3G at the moment)
   • Open Cydia or Icy and add the source repo666.ultrasn0w.com.
   • Allow it to refresh and install ultrasn0w.

I hope this brief guide was helpful.  If you have an iPhone 3GS, the Dev-Team indicated today that:

Apple is surely coming out with a 3.0.1 firmware release shortly. They need to fix ultrasn0w.  They need to fix some UI issues.  3.0 is buggy and 3.0.1 is coming.  We’re going to wait and see what 3.0.1 brings before figuring out the release date for our version of the jailbreak.

More iPhone articles to come.

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