iPhone 4 Baseband 4.11.08 Unlocked On iOS 5 (Guide)

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One of the most highly anticipated unlocks so far has finally been unlocked. iPhone 4 baseband 4.11.08 has been unlocked on iOS 5. Check out our guide on unlocking iPhone 4 baseband 4.11.08.

iPhone 4 wings

A YouTube user by the name of g35mik has apparently unlocked iPhone 4 baseband 4.11.08 running on iOS 5. The video is embedded below for confirmation.

You can follow the guide below for unlocking iPhone 4 baseband 4.11.08, this guide is exactly similar to the one we recently published for unlocking iPhone 4S baseband 1.0.11.

Disclaimer: We at Maypalo have not tested this method for unlocking iPhone 4 baseband 4.11.08 on iOS 5. So therefore we do not take any responsibility if something happens to your iPhone 4.

Unlock iPhone 4 Baseband 4.11.08 On iOS 5

You will need

  • AT&T SIM card
  • Pre-paid T Mobile SIM card
  • iPhone 4 baseband 4.11.08
  • iOS 5

Follow this step by step guide to unlocking iPhone 4 on AT&T baseband 4.11.08

STEP 1: First you will need to put your AT&T SIM card inside your iPhone 4.

STEP 2: Now Dial 611 and drop the call. It’s AT&T’s customer service number.

STEP 3: Turn on Airplane Mode and take out your SIM card.

STEP 4: Now insert whichever SIM card you want to use, for this guide we are mentioning T-Mobile SIM card.

STEP 5: Before you begin further make sure your Wi-Fi is off.

STEP 6: Deactivate Airplane Mode and iPhone will search for networks. This will be followed by the Apple splash screen appearing, and “activation required” will be shown on the screen.

STEP 7: You will see an “E” on the top left corner, that is EDGE network getting activated.

STEP 8: Wait for about 30 seconds and turn off your iPhone 4. You will be presented with the same “activation required” screen.

STEP 9: When you see one signal bar, tap on Use Cellular Connection and remove your SIM card. Another “activation required screen will be displayed.

STEP 10: Insert your SIM card.

That’s it folks you will have unlocked iPhone 4 on baseband 4.11.08

Here is the video of unlock iPhone 4 in action


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CEO & Founder of Maypalo

13 Comments to iPhone 4 Baseband 4.11.08 Unlocked On iOS 5 (Guide)

  1. buT FROM WHERE i WILL GET THAT AT&T SIM WHEN IM NOT IN us BUT IN MIDDLE EAST??????????????????????????? OR THE T MOBILE SIM#????

    • This method has not been guaranteed to work for everyone. Even if you are in U.S it won’t necessarily work. Wait until an update for Ultrasnow or a new method is discovered. We will let you know here at Maypalo.com

  2. I dont think this is useful to anyone else other than people in US HOWEVER i have read in different posts that this is only useful for few seconds or minutes but does not last long…!

    I guess..WAITING is all we have now..!

  3. I tried this teps with ATT sim and a tmobile sim it didn’t work for me, i am getting sim failure error and the video was also disabled…

  4. hey guys go through this link here is the method of unlocking iphone 4 ios5 bb 4.11.8 iphone4unlocks.blogspot.in/2012/02/unlock-iphone-4-baseband-41108.html#comment-form

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