How to Unlock iPhone 3G OS 3.0 with UltraSn0w
In this iPhone Guide, you will learn how to Unlock iPhone 3G on OS 3.0 with UltraSn0w. This Guide is for iPhone 3G users ONLY.
Update: UltraSn0w 0.93 is Out Now! It can unlock all basebands for iPhone 3GS and 3G. (Check the Updates at the bottom)
iPhone 2G users, please navigate to:
In order to follow this iPhone Guide,you must be on Baseband 04.26.08 which means you need to Update your iPhone firmware to iPhone OS 3.0 and then Jailbreak iPhone 3G.
Jailbreaking iPhone 3G OS 3.0 guides can be found here:
When you have updated to iPhone OS 3.0 and have jailbroken iPhone 3G using one of the above guides, then you can use this guide to unlock iPhone 3G OS 3.0 using UltraSn0w.
***If you are on T-Mobile remember to turn off 3G before starting…
How to Unlock iPhone 3G OS 3.0 with UltraSn0w
- Launch the Cydia from your iPhone Springboard.
- Go to Manage Tab at the Bottom.
- Press the Big Sources Button.
- Press the Edit button at the Top Right of the Screen.
- Then press the Add button on the Top left of the Screen.
- Input the following URL: http://repo666.ultrasn0w.com/ and hit Add Source button.
*** That last “o” is actually the number zero “0”! If you use the letter “o” you’ll get an error.
- When Cydia is done with adding Source, Hit the big Return to Cydia button.
- Press the Done button at the Top Right.
- Then Press repo666.ultrasn0w.com under the User Added Sources.
- Select UltrSn0w from the list of packages.
- Hit Install button at the Top Right corner.
- Then Press the Confirm button at the Top Right.
- When the Installation is completed successfully, press Return to Cydia button.
- Press the Home button to go back to SpringBoard. Then Turn your iPhone OFF by holding down the power button for 3 seconds and then dragging the Power slider that appears to the right. Now Turn the iPhone 3G back ON.
Enjoy the SIM of any carrier on your just Unlocked iPhone 3G on OS 3.0. Don’t forget to leave your feedback under comment section.
Jailbreak iOS 4.0
- How to: Jailbreak iOS 4.0
Unlock iOS 4.0
- How to: Unlock iOS 4.0
Update 1: Jailbreak iOS 4 with PwnageTool
Update 2: Jailbreak iPhone 3GS iOS 4 with PwnageTool
Update 3: Jailbreak iPhone 3G iOS 4 with PwnageTool
Update 4: UltraSn0w 0.93: Unlock iPhone 3GS, 3G (All Baseband)
Update 5: Unlock iPhone 3G iOS 4 with UltraSn0w 0.93
Update 6: Unlock iPhone Baseband 05.13.04 with UltraSn0w 0.93
Update 7: Unlock iPhone Baseband 05.12.01 with UltraSn0w
If this page or section of the page needs to be updated, Submit Request
Tags: guide, iPhone 3G, iPhone OS 3.0, Ultrasn0w, Unlock
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Leave a Reply
i’ve recently upgraded my iphone 3G from 2.2.1 to custom activated 3.2.1 fw successfully.. I tried to unlock by ultrasn0w through cydia. ultrasn0w got installed but i get ‘No Service’, unable to call… able to connect to WLAN….
reset network settings… reboot
I appreciate your reply very much..
Did a couple of times, no luck. Redone the whole process twice, no luck… Any problem with these details
Version 3.1.2(7D11)
Carrier Carrier 5.0
Modem Firmware 02.28.00 ??
Many Thanks
Finally worked when I used Fuzzyband Downgrader.. Worked like charm.. Thanks for all your help guys..
try this:
http://www.iphoneheat.com/2009/10/download-iphone-os-3-1-2-custom-firmware-ipsw-files-for-iphone-3gs-3g-2g/
and then unlock using UltraSn0w
Thank you for your detailed explanations iPhoneHeat. I just did Jailbreak iPhone 3GS, 3G OS 3.1.2 with PwnageTool 3.1.4 (Mac). After that to unlock I used ultraSn0w but couldnt get it workin. My modem firmware 05.11.07
What do I do to fix it?
you should be using BlackSn0w… checkout http://www.iphoneheat.com/2009/11/how-to-unlock-iphone-3gs-3g-os-3-1-2-baseband-05-11-07-using-blacksn0w/
Cydia isn’t working for me, it keeps giving me error messages when downloading. (http://apt.saurik.com/ POSIX: Operation timed out) What can I do? I am stuck with a phone that isn’t a phone.
okay i did everything correctly..
i put in my sim card and where the network is supposed to be displayed, it says “searching…” what do i do?
Your baseband?
I have unlock my iPhone 3G OS 3.0 BB 4.26 with ultrasnow. I can see that my iphone recognizes the network T-Mobile but I can’t make any calls nor received any calls though I have a full bar of signal. Any suggestions? Thanx.
reset network settings
THANK YOU! Ultrasn0w worked flawlessly!
OK. Here’s what had happened.
3G running 3.0.1 Jailbroken with Pwanage and Unlocked with Ultrasn0w: Cydia became unusable. A few months later the iPhone started running very slowly.
Restored in iTunes.. ipsw 3.0.1 A700
Launched Pwanage 3.0 to “cook” the ipsw. Pwanage couldn’t recognize the ipsw file. I had to “cook” ipsw 3.0.7.. WTF?
Anyways I was able to JB/Unlock, but now it’s running 3.0 instead of 3.0.1.
Anyone else experiencing this?
Thnx,
AM
Help me, my iphone is 3g firmware 3.1.3 baseband 5.12.01 bloodloader 5.09. can i use ultrasn0w 0.93 to unlock ??????
Yes!
Thank you, Dev. Team….