JAILBREAK & UNLOCK iPHONE 3G ON OS 4.0/4.0.1 (redsn0w/Ultrasn0w)

The day is finally here! Just yesterday, Apple released the much awaited iOS4 and shortly after the iPhone Dev Team released a new unlock and jailbreak for OS 3.1.x and OS 4.0.

NOTE: For now, the redsn0w beta release supports only the iPhone3G and iPod Touch 2G at today’s 4.0. It’s still a beta, so you’ll need to let Cydia reorganize, reload, and update after using redsn0w.

INSERT YOUR T-Mobile SIM CARD INTO YOUR iPHONE 3G BEFORE FOLLOWING THE DIRECTIONS BELOW!

1: Download iOS 4 for your iPhone 3G here and save to desktop

2. Update to iTunes 9.2 if you haven't already: http://www.apple.com/itunes/download/

Then in iTunes, restore to 4.0

3. Download redsn0w 0.9.5 BETA for Mac here
    Download redsn0w 0.9.5 BETA for Windows here
4. Launch Redsn0w 0.9.5b5-3 and point it to the original iOS 4 firmware file for iPhone 3G to proceed (download link in step 1)

5. Now select “Install Cydia”, "Enable Multitasking" and "Enable Wallpapers" and click NEXT

6. Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.

7. And then just follow the directions, its quite straight-forward

8. After it is done jailbreaking, your iPhone 3G will reboot automatically

9. Now to unlock OS4, you will need to launch Cydia. Let it update first then after it is done updating it will ask to restart. After restarting, launch Cydia again. Go to Manage>Sources. Touch on “Edit” and then on “Add”. You will be prompted to enter a URL source. Type in: http://repo666.ultrasn0w.com and press “Add Source”.

10.After installation is completed. Search for: ultrasn0w in Cydia and install this application. This app will automatically unlock your iPhone 3G so that you can use it with any GSM carrier.

And you're done! You now have an iPhone 3G jailbroken and unlocked on the newest OS 4.0!


If you guys have any problems, don't hesitate to ask.

And as for 3GS users, the necessary tools will be released soon.


UPDATE: Apple has released OS 4.0.1 to address signal calculation issues for the iPhone 3G/3GS/4.

Redsn0w and Ultrasn0w will still work

You can use this redsn0w 0.9.5 (download link above) to jailbreak 4.0.1 on iPhone3G. Just point it at the 4.0 IPSW (download link above)

(Yes – point it at the 4.0 IPSW even though you're at 4.0.1).

This will also hacktivate your iPhone3G at 4.0.1 if you haven't already been activated by iTunes. Install ultrasn0w if you need a carrier unlock (and in the USA, remember to turn off 3G mode in Settings→General→Network).

If anyone has done this and your MMS is working both send and receive please post up your settings. This is what I have and it's not working on the receive side.

Cellular Data
APN: epc.tmobile.com
username:
Password:

MMS
APN: wap.voicestream.com
username:
password:
MMSC: 216.155.174.84/servlets/mms
MMS Proxy: 216.155.165.50:8080
MMS Max Message Size: 1048576
MMS UA Prof URL: http://www.apple.com/mms/uaprof.rdf

I have also tried changing the data APN to wap.voicestream.com with no luck either.

If anyone has done this and your MMS is working both send and receive please post up your settings. This is what I have and it's not working on the receive side.

Cellular Data
APN: epc.tmobile.com
username:
Password:

MMS
APN: wap.voicestream.com
username:
password:
MMSC: 216.155.174.84/servlets/mms
MMS Proxy: 216.155.165.50:8080
MMS Max Message Size: 1048576
MMS UA Prof URL: http://www.apple.com/mms/uaprof.rdf

I have also tried changing the data APN to wap.voicestream.com with no luck either.

It has been reported that MMS is not working for AT&T users either.

It has been reported that MMS is not working for AT&T users either.

Nice! I've been too busy looking for a fix for the tmobile I did not see anything about ATT having issues either.

Thanks kickstart

my sms works

my sms works

MMS (picture messaging) not text messaging (SMS).

It has been reported that MMS is not working for AT&T users either.

Nice! I've been too busy looking for a fix for the tmobile I did not see anything about ATT having issues either.

Thanks kickstart

http://forums.wireless.att.com/t5/Apple/UPdated-to-IOS4-but-i-lost-MMS-capibilities/td-p/1949318

i am thinking about upgrading to an iphone... i was going to get a 2g, but then i found out the 3g isn't much more... then i found out that the 3gs is selling used for not much more either!

I am thinking about buying one tomorrow, but some people are saying that the 5.12.01 (firmware 3.1.3)=Can be jailbroken but unlock has not yet been released. is this true?

I used the settings for iphone 3g from tmobiles website and it seems to be working fine.....

here is the link to tmobile tech support

http://support.t-mobile.com/doc/tm10161.xml

UPDATE:  ok I can send, but not recieve...........says "the media content was not included due to a picture resolution or message size restriction"

any help would be nice.... thanks.

i am thinking about upgrading to an iphone... i was going to get a 2g, but then i found out the 3g isn't much more... then i found out that the 3gs is selling used for not much more either!

I am thinking about buying one tomorrow, but some people are saying that the 5.12.01 (firmware 3.1.3)=Can be jailbroken but unlock has not yet been released. is this true?

Welcome to TmoNews!

3.1.3 can be jailbroken and unlocked for 3GS. 4.0 can only be jailbroken and unlocked for iOS4 if the iPhone 3GS has the old bootROM (purchased before October 19th, 2009).

The 3G can be jailbroken and unlocked on any firmware. 

love the site just got here, thanks for everything in advance. New to the Iphone.

Having a small problem with this install. Im usual good at these things. I download os 4 to my desktop and its a zip file. I unzip it I open blacksnow and blacksnow cannot find the file.I see a firmware file in the zipped folder that does not have the ipsw extension. Is this the file blacksnow is looking for? If so when I extract that folder I cannot get that file unzipped or am I able to copy it to a diff folder. When I unzip it.

Kickstar13,
I have been on the page for a while, reading up however i do have a question for you. I have a 3gs with the  3.1.2 version with modem firmware 05.11.07. Will I be able to upgrade to 4.0 and be able to jailbreak and unlock? Is there a tutorial for this?
Thanks, Much appreciated

i am thinking about upgrading to an iphone... i was going to get a 2g, but then i found out the 3g isn't much more... then i found out that the 3gs is selling used for not much more either!

I am thinking about buying one tomorrow, but some people are saying that the 5.12.01 (firmware 3.1.3)=Can be jailbroken but unlock has not yet been released. is this true?

Welcome to TmoNews!

3.1.3 can be jailbroken and unlocked for 3GS. 4.0 can only be jailbroken and unlocked for iOS4 if the iPhone 3GS has the old bootROM (purchased before October 19th, 2009).

The 3G can be jailbroken and unlocked on any firmware. 

love the site just got here, thanks for everything in advance. New to the Iphone.

Having a small problem with this install. Im usual good at these things. I download os 4 to my desktop and its a zip file. I unzip it I open blacksnow and blacksnow cannot find the file.I see a firmware file in the zipped folder that does not have the ipsw extension. Is this the file blacksnow is looking for? If so when I extract that folder I cannot get that file unzipped or am I able to copy it to a diff folder. When I unzip it.

Welcome to TmoNews!

The file should not be a .zip file. It should be an .ipsw

Make sure you're downloading this file and save to desktop: http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone4/061-7436.20100621.58Yt4/iPhone1,2_4.0_8A293_Restore.ipsw

Then after you launch redsn0w it will ask you for the ipsw for iPhone 3G 4.0. Select the ipsw file you saved on your desktop and then continue.

Kickstar13,
I have been on the page for a while, reading up however i do have a question for you. I have a 3gs with the  3.1.2 version with modem firmware 05.11.07. Will I be able to upgrade to 4.0 and be able to jailbreak and unlock? Is there a tutorial for this?
Thanks, Much appreciated

i am thinking about upgrading to an iphone... i was going to get a 2g, but then i found out the 3g isn't much more... then i found out that the 3gs is selling used for not much more either!

I am thinking about buying one tomorrow, but some people are saying that the 5.12.01 (firmware 3.1.3)=Can be jailbroken but unlock has not yet been released. is this true?

Welcome to TmoNews!

3.1.3 can be jailbroken and unlocked for 3GS. 4.0 can only be jailbroken and unlocked for iOS4 if the iPhone 3GS has the old bootROM (purchased before October 19th, 2009).

The 3G can be jailbroken and unlocked on any firmware. 

Welcome to TmoNews! It can be jailbroken and unlocked, but do you have the new bootROM or old bootROM 3GS? To check refer to this: http://bit.ly/c4xSlT

 

That is the folder I have been downloading. It comes in as a zip folder on my desktop. iPhone1,2_4.0_8A293_Restore.zip If I open it or unzip it there is no ipsw file in the folder. Lots of other img, dmg, plist files and others but cant find a ipsw. There is one file called firmware but I cannot do anything with  it

thanks again for helping

That is the folder I have been downloading. It comes in as a zip folder on my desktop. iPhone1,2_4.0_8A293_Restore.zip If I open it or unzip it there is no ipsw file in the folder. Lots of other img, dmg, plist files and others but cant find a ipsw. There is one file called firmware but I cannot do anything with  it

thanks again for helping

Hmm here try this site: http://www.felixbruns.de/iPod/firmware/

Where it says "iPhone"

Select iPhone 3G 4.0

same exact results, figured it out, dont use windows explorer to download. I used google chrome on a diff computer and it has the file. Thanks so much for the help. I am getting the phone on tuesday so I will give it a try than

same exact results, figured it out, dont use windows explorer to download. I used google chrome on a diff computer and it has the file. Thanks so much for the help. I am getting the phone on tuesday so I will give it a try than

Ok great!

Thanks for your reply Kickstar. I am on a 3GS with the old bootroom  iBoot-359.3. So this should be able to load 3.1.3 firmware with 4.0?  without updating the bootrom? Is there a tutorial anywhere?
thanks

love the site just got here, thanks for everything in advance. New to the Iphone.

Having a small problem with this install. Im usual good at these things. I download os 4 to my desktop and its a zip file. I unzip it I open blacksnow and blacksnow cannot find the file.I see a firmware file in the zipped folder that does not have the ipsw extension. Is this the file blacksnow is looking for? If so when I extract that folder I cannot get that file unzipped or am I able to copy it to a diff folder. When I unzip it.

Welcome to TmoNews!

The file should not be a .zip file. It should be an .ipsw

Make sure you're downloading this file and save to desktop: http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone4/061-7436.20100621.58Yt4/iPhone1,2_4.0_8A293_Restore.ipsw

Then after you launch redsn0w it will ask you for the ipsw for iPhone 3G 4.0. Select the ipsw file you saved on your desktop and then continue.

Kickstar13,
I have been on the page for a while, reading up however i do have a question for you. I have a 3gs with the  3.1.2 version with modem firmware 05.11.07. Will I be able to upgrade to 4.0 and be able to jailbreak and unlock? Is there a tutorial for this?
Thanks, Much appreciated

i am thinking about upgrading to an iphone... i was going to get a 2g, but then i found out the 3g isn't much more... then i found out that the 3gs is selling used for not much more either!

I am thinking about buying one tomorrow, but some people are saying that the 5.12.01 (firmware 3.1.3)=Can be jailbroken but unlock has not yet been released. is this true?

Welcome to TmoNews!

3.1.3 can be jailbroken and unlocked for 3GS. 4.0 can only be jailbroken and unlocked for iOS4 if the iPhone 3GS has the old bootROM (purchased before October 19th, 2009).

The 3G can be jailbroken and unlocked on any firmware. 

Welcome to TmoNews! It can be jailbroken and unlocked, but do you have the new bootROM or old bootROM 3GS? To check refer to this: http://bit.ly/c4xSlT

 

wahoo works, signals not that great but Ios4 on my 3g w00t

Got mine working! yes, OS4 on 3gs jailbroken and full unlock!

Got mine working! yes, OS4 on 3gs jailbroken and full unlock!

Ah ok great! I was just about to post a guide.