How To: Jailbreak iPhone 3G/3GS/4 on iOS 4.1 using Redsn0w 0.9.6 beta2 (Mac)

This guide will show you how to jailbreak iPhone 3G/3GS/4 on iOS 4.1 using Redsn0w 0.9.6 beta2 on Mac.

WARNING: If you rely on your iPhone to be unlocked, to use it on an unofficial carrier, you should avoid this jailbreak. This jailbreak requires you to upgrade your firmware, via iTunes, which upgrades your baseband. The current baseband cannot be unlocked at this time, and cannot be downgraded. Use PwnageTool.

Step 1: Download iOS 4.1 and Redsn0w 0.9.6 beta2. (iPhone FW links here, Redsn0w Mac).

Step 2: Install the latest version of iTunes (iTunes 10.0.1).

Step 3: Update to this latest firmware (iOS 4.1) via iTunes.

Step 4: Launch Redsn0w 0.9.6 beta2 and point at the 4.1 IPSW.

Step 5: Click “Next” and watch as redsn0w is preparing jailbreak data.

Step 6: Check “Install Cydia” if not already checked, and click “Next”.

Step 7: Follow the onscreen instructions.

Step 8: Now you sit back and let Redsn0w do it’s magic! Once finished, your iPhone will restart automatically and you’ll have it jailbroken on iOS 4.1.

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  1. Can I add a custom boot logo for my iPhone 4? Or is that not available yet.

  2. Anonymous says:

    Not yet.

  3. Genejoy1217 says:

    Hey man, my friend is on 3G aft upgrade to 4.1 then JB with /redsn0w the ram drop to almost 8 mb can’t even open safari – think of downgrade for him but I’ve forgotten to save his shsh – any suggestion?

  4. my phone is stuck after all this procedure while donwgrading from 5.1 to 4.1, its not turning on, any suggestions plz?

  5. Geraldo Ubirajara says:

    Esse meu appe combina bem com aquele app desenho de abacaxi…..kkkkkk

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