iphone 4g modem ver 1.59.00
 

i m at ver 4.2.1 as my modem firmware is 1.59.00 so can it be unlocked.if it can ,what will be the procedure

if you jailbreacked your iphone ....

open Cydia inistall ulthrasn0w 1.2 restart iphone DONE......


if not jailbreak download this frware

then restore with this firware

then open cydia inistall ulthrasn0w 1.2

yes this unlocked no problem
open cydia inistall ulthrasn0w 1.2

thnxxxxxxxxxxxxxxx i will try

Step One
Open your web browser of choice and navigate to http://www.greenpois0n.com. Click the Windows link at the bottom of the screen.
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Step Two
When prompted save the download to your desktop
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Step Three
Double click the downloaded gp_win_rc5_b2.zip file then drag the greenpois0n.exe file to the desktop. Double greenpois0n.exe from the desktop to launch the application
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Step Four
Power off your iPhone then click the large Prepare to Jailbreak (DFU) button
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Step Five
You will now be instructed on how to place your iPhone into DFU mode. You can get help with this here.
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You will be asked to press and hold the sleep button for 2 seconds.

Continue holding sleep; press and hold home for 10 seconds.
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Release sleep button; continue holding home for 15 seconds.
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Step Six
Once your iPhone is successfully in DFU mode you may click the Jailbreak button.
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Step Seven
Greenpois0n will now jailbreak your device
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Step Eight
Click the Quit button once the software application has completed.
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You'll notice some verbose mode text scrolling on your device.

Step Nine
After the iPhone restarts you'll notice a new Loader application on your Springboard. Press to launch it.
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Step Ten
Press to select Cydia then press the large Install Cydia button that appears.
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thankas bor.............................

Step Eleven
Once Cydia has installed successfully you can remove Loader by pressing the Options button then the large red Remove Loader.app button.
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Step Twelve
Restart your iPhone then run Cydia. Let it do all the necessary updates then follow our belu
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Step One
Press to launch Cydia Installer from your SpringBoard.
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Step Two
Press to select the Manage tab at the bottom of the screen.
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Step Three
Press to select the large Sources button
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Step Four
If the ultrasn0w repo is not present press the Edit button at the top right of the screen. Otherwise, skip to Step Nine.
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Step Five
Press the Add button at the top left of the screen.
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Step Six
Enter ultrasn0w.com as the source url and press the Add Source button.
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Step Seven
Once the source has been added press the large Return to Cydia button.
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Step Eight
Press the Done button at the top right of the screen.
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Step Nine
Press to select repo666.ultrasn0w.com from the list of user entered sources.
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Step Ten
Press to select ultrasn0w from the list of packages
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Step Eleven
Press the Install button at the top right of the screen.
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Step Twelve
Press the Confirm button at the top right of the screen.
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Step Thir****
After installation completes successfully press the large Restart Springboard button.
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Step Four****
You should now be able to insert the SIM of your choice!
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*********************UNLOCK IPHONE 4,3;3GS*************


ultrasn0w - ultrasn0w 1.3b

where you see ultrasn0w 1.3b