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Download UltraSn0w 1.2.5 Unlock iPhone 3GS and iPhone 4 Running iOS 5.0.1 [How To]

UltraSn0w 1.2.5 has been released to unlock iPhone 4 and iPhone 3GS running on iOS 5.0.1 firmware by iPhone Dev Team. Unfortunately UltraSn0w does not support any new baseband versions So we list its supportive baseband below. You will need a jailbroken device to utilize UltraSnow 1.2.5. Your baseband must also meet the following requirements. We explain the full process to unlock your iPhone below.

UltraSnow 1.2.5

UltraSnow 1.2.5

iPhone 3GS

  • baseband 04.26.08
  • baseband 05.11.07
  • basband 05.12.01
  • baseband 05.13.04
  • iPad baseband 06.15.00

iPhone 4

  •  baseband 01.59.00

To Download UltraSn0w 1.2.5 add repo in cydia

http://repo666.ultrasn0w.com

 

How to Unlock iPhone 3GS and iPhone 4 Running iOS 5.0.1 Using UltraSn0w 1.2.5

Step 1: Make sure you have a qualifying baseband.

To check this go to Settings > General > About and check the “Modem Firmware” section at the bottom of the page. If you are on an iPhone 4 and the Modem Firmware says 01.59.00, you can unlock. If you are on an iPhone 3GS and your firmware is any of the following: 04.26.08, 05.11.07, 05.12.01, 05.13.04, or 06.15.00 you can unlock.

If your baseband doesn’t meet the above requirements, stop here. You are not eligible for unlock. iPhone 4S is currently not unlockable.

Step 2: If you haven’t already, upgrade to iOS 5.0.1 and preserve your baseband when doing so.

Step 3: Jailbreak your iPhone 5.0.1.

Step 4: Go to Cydia and search for “UltraSn0w”. Install UltraSn0w 1.2.5.

Step 5: Remove your old SIM card and replace with new SIM card e.g. a T-Mobile SIM. You may need to cut your SIM to fit the micro-SIM slot. See the video for more details.

Step 6: Give your iPhone a few seconds, and it should now be on the new network, courtesy of the UltraSn0w 1.2.5 iOS 5.0.1 unlock.

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