How do I unlock my iPhone 3g with 4.2.1 Baseband 06.15.00 with Ultrasnow


STEP 1: Download redsn0w 0.9.6b5, STEP 2: Update to 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1. STEP 3: Launch Redsn0w 0.9.6b5, and browse for iOS 4.2.1 firmware final version. STEP 4: Now you have to select "Install Cydia" and "Install iPad baseband", and then click "Next" (in this step redsn0w will update your baseband to 06.15.00 which works with ultrasn0w 1.2) STEP 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

Can I unlock iPhone 3g with firmware 05.15.04

Yes. To unlock your iPhone 3G / 3Gs with baseband 05.15.04 (iOS 4.2.1) you need to update your iPhone to iPad iOS 3.2.2 baseband 06.15.00 first. !

Can I unlock my iPhone 3GS on iOS 5

How To Preserve Baseband For iOS 5 Unlock - Step 1: Download iOS 5 firmware for iPhone, iPad and iPod touch. Step 2: Download iTunes 10.5 final for Windows and Mac. Step 3: Download redsn0w 0.9.9b5 for Mac (windows version coming soon). Step 4: Launch redsn0w and click on Extras followed by Custom IPSW. The select the iOS 5 IPSW that you previously downloaded. Step 5: Redsn0w now begins building custom firmware. Once it finishes, click on Pwned DFU in redsn0w. Step 6: on!

How to downgrade iPad baseband on iPhone and where to get

To downgrade the iPad baseband on iPhone, download the required certificate file ICE2-06.15.00.cert. Then install Fuzzyband from Cydia and start this app. After that, connect your iPhone 3G with computer via USB cable. Next, you will start i-FunBox and click File, then navigate to Applications/, right-click and then select Copy from PC. Then, select the ICE2-06.15.00.cert file you downloaded earlier and then copy it to this location: Applications/ Ect.

5 Responses to “How do I unlock my iPhone 3g with 4.2.1 Baseband 06.15.00 with Ultrasnow”

Does blackra1n unlock iPhone 3G?

By Shelley_c December 23rd, 2012 at 08:36:25

the iphone 3G cant have IOS 5 due to its hardware constraints… see or Source(s): Sincerely, Android Core, See Us On Facebook and Twitter!

By BoardTracker December 23rd, 2012 at 11:08:29

free unlock software like redsnow, etc needs to upgrade to ipad bb to unlock 4.2.1. but there are come commercial jailbreaks which can unlock this without upgrading. i also have 4.2.1 3g and i used to unlock my one. it …

By Astroman December 23rd, 2012 at 14:02:22

Hi, you can unlock your iPhone 3G safer and easier through remote unlocking method. It is also an affordable method too. You can get the remote unlocking for an iPhone from This site s a legit source providing …

By sheepdog December 23rd, 2012 at 16:22:33

Does iPhone baseband 04.20.01 block unlock SIMs? I would like to try, but I want to know beta firmware 3.0 for a day or two if the newer baseband will block my RebelSIM unlock

By thealpha December 23rd, 2012 at 19:09:21

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