How to unlock your iphone 3g using yellowsn0w

This is a step by step instructional video on how to unlock your iPhone3G using yellowsn0w. Please leave comments and feedback and do subscribe.

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This is a tutorial on How to UNLOCK iPhone 3g USING CYDIA

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BASICS * The unlock about to be released works exclusively with baseband 02.28.00. This baseband is provided by the latest firmware update (2.2) from Apple. Youll need to upgrade to this release using iTunes and then use QuickPwn to activate etc. There are plenty of tutorials about this on iclarified, bigboss, and other established tutorial sites. Because it works on 02.28.00, it is available to everyone on the planet. This means we dont need to unnecessarily expose holes in earlier basebands, which is an important concern. * The application is a small daemon that is launched on boot. It injects the payload at boot and also whenever there is a baseband reset. You wont notice anything about it other than that your third-party sim now works. Its a small program and unobtrusive. There is no GUI (this is by design). * You can add the application using the sources outlined below (coming soon). There are Cydia and Installer sources available, so use whichever you are comfortable using. * yellowsn0w is completely removable through Cydia, the command line, and iTunes.

DETAILS * There is a known issue with SIM cards that have STK (SIM Toolkit) application menus. These menus are usually items such as top up get credit lotto numbers etc. These menu items confuse the application sometimes. Removing and reinserting the SIM once after reboot (give it about 10 secs after you see the slide to unlock widget) fixes this issue. Were working on a better fix. * For those of you using SIM cards without STK menus, the application has some optional arguments that will make the unlock much faster for you. So either experiment on your own (use yellowsn0w -h for usage) or wait for a customization writeup. * After you install yellowsn0w via Cydia, you should return to the Cydia main menu then reboot your iPhone with the 3rd party SIM installed. Wait for the slide to unlock screen, then wait 10 or 15 secs more. If you dont see your carrier name pop up, then remove your SIM, reinsert it, and wait 10 secs more. This is the step well be working on eliminating next.

FOR SOURCE VISIT:
http://blog.iphone-dev.org/

Category:

Howto & Style

Tags:

• iphone
• iphone3g
• dev
• team
• yellowsn0w
• unlock
• ipod
• apple
• 2.28.00
• downgrade

[andyle714]

I accidently reset my iphone and now it say emergency call. How do i get it back to my old software to unlock it? thanks

[jaysingh23452]

It depends, if you updated to 2.2.1, you cannot unlock it again. Use Quickpwn to jailbreak and activate it and check your baseband. if it is 2.28.00 you can still use yellowsn0w, if not your out of luck for now

[ubo7mad]

i got iphone 3G. the question is that is yellowsn0w team gonna make another unlock just like the one released for the previous firmware 2.2? or this is the only way to unlock the phone with new firmware 2.2.1?

[jaysingh23452]

Ok, the dev team hasnt released any info regarding the downgrade or unlock yet but the way to use 2.2.1 is by restoring to firmware 2.2 then quickpwning it and use the pwnage tool to go to 2.2.1 but if your on 2.2 and dont want to go to 2.2.1 use quickpwn and unlock. if you restored to 2.2.1 without pwnage too, your baseband was updated and you are locked out of the unlock for now.

[KatedralSam]

does this work to iphone 4 v5.3 when the jailbreak comes out?

[manjuprahal]

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[yesman0071416]

Yeah man srry but i have 3.1.2 firware and i don't no to activation my sim card..!!

[davix8]

holy shit! i have windows! can i use this program??? i soooooooooo want a mac!!

[lebaissss]

with boot loader 5.9 it is work or not????

cause my baseband upgrade to 04.22.01!

Thx

[db2leader]

hey im stuck on the emergency call screen

can i somehow activate it with out a att simcard?

[EzWitUzi]

hey man, my modem firmware is 2.30.03 can u give me nething on how to unlock it?

[ubo7mad]

got yeah

thanx a lot