How to Unlock iPhone 3G OS 3.0 with UltraSn0w

This is a guide to unlock iPhone 3G on OS 3.0 with UltraSn0w tool. Before starting the process of unlocking iPhone 3G with UltraSn0w you must conform the following things about your iPhone 3G:

  • Your iPhone Baseband version must be 04.26.08, you can check here the Baseband version of your device
  • Update your iPhone firmware to iPhone OS 3.0 & then do Jailbreak process to proceed for unlocking iPhone 3G on OS 3.0

If you are on T-Mobile then Turn Off 3G before starting Unlock process

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Now Start Process to Unlock iPhone 3G OS 3.0 with UltraSn0w

Step 1

Open Cydia on your iPhone Springboard

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Step 2

Click on Manage button at the bottom of screen

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Step 3

Press Sources button

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Step 4

Click Edit button at the right top of screen

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Step 5

Then click on Add button which is on the left top corner of the screen

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Step 6

Type this URL: http://repo666.ultrasn0w.com/ and press Add Source button. Remember this point that UltraSn0w spell has ‘0 zero’ do not use the alphabet ‘o’

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Step 7

When it completes the process after entering URL then click on Return to Cydia button

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Step 8

Press Done button which is at the right top corner of screen

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Step 9

Click on repo666.ultrasn0w.com under the Entered by User Sources

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Step 10

Select UltrSn0w from the list of packages

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Step 11

Click on Install button which is at right top corner of screen

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Step 12

On following screen click on Confirm button at the right top of screen

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Step 13

When installation process get completed successfully then click on Return to Cydia button

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Step 14

Press Home button on iPhone to go back to SpringBoard. Turn OFF the iPhone by pressing Power button for 3 seconds and then dragging the Power slider that appears to the right. Turn ON you iPhone again and that’s all.

Now you have Unlocked iPhone 3G on OS 3.0, use SIM card of any carrier and enjoy!

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