How To Check Carrier of A Locked iPhone 4 For Free Using Redsn0w

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Factory unlocking an iPhone is not an ordeal these days, there are tons of websites which offer very cheap factory unlocking services for iPhone 3GS, iPhone 4, iPhone 4S, and even newly released iPhone 5. Factory unlocking business spiked when Apple released iOS 5 back in October 2011. Thousands of iPhone 4 got locked on much cursed baseband 4.11.08 and 4.12.01. Every iOS baseband hacker tried to crash this baseband and provide an unlocking solution but failed miserably. After 5 months everyone just stopped talking about a possible unlocking solution because services like CutYourSIM started providing factory unlock solutions for iPhone 3GS and iPhone 4. Even AT&T on direct orders from Tim Cook started unlocking off-contract iPhone 3GS and iPhone 4.

But there’s a minor hiccup in iPhone 4 factory unlocking services. You have to provide them with your IMEI number and name of the carrier which your iPhone is locked to. You can check your iPhone’s IMEI from Settings > General > About OR by simply typing *#06#. Checking carrier which your iPhone is locked to is a little tricky task and many websites took advantage of it and started charging a minimal fee for checking your iPhone 4’s original carrier. This guide will teach you how to check your locked iPhone’s original carrier free of cost. Yes, this method is free and you can check your iPhone’s original carrier. This guide will save you some bucks and the headache of searching How To guides for checking your locked iPhone’s carrier.

Things you will need in this process: 

  • Locked iPhone 4
  • 30-PIN dock connector
  • redsn0w 0.9.15b3 (Download links below)

How To Check Carrier Of Your Locked iPhone 4 For Free:

Step 1: Connect your iPhone 4 to computer via 30-PIN dock connector.

Step 2: Download and run redsn0w 0.9.15b3

Step 3: Click on Extras and then click on Even More

Step 4: On this screen, click  Identify. This feature gives you each and every details of your iPhone 4’s internals including your carrier bundle information.

Once you click Identify button, redsn0w will fetch connected device’s information including its original carrier details and display it in a new window. Scroll down until you see CarrierBundleInfo. Once you get there, look for CFBunddleName where you will see name of the carrier which your iPhone is locked to.

Since my iPhone 4S is factory unlocked that’s why  redsn0w is displaying CFBunddleName: Unknown.

And that was it folks! Now you know the name of carrier your iPhone is locked to and you can easily get it unlocked from credible iPhone unlocking services.

Download redsn0w 0.9.15b3 from links below:

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