RedSn0w Update Improves iPhone 3GS Baseband Downgrade, Adds DFU IPSW Feature
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Fri Oct 19 17:49:59 2012 Stashing /mnt/Library/Ringtones Fri Oct 19 17:50:02 2012 Stashing /mnt/Library/Wallpaper Fri Oct 19 17:50:07 2012 Linking /mnt/usr/include Fri Oct 19 17:50:07 2012 Linking /mnt/usr/lib/pam Fri Oct 19 17:50:07 2012 Stashing /mnt/usr/libexec Fri Oct 19 17:50:11 2012 Stashing /mnt/usr/share Fri Oct 19 17:48:47 2012 Stashing /mnt/Applications Fri Oct 19 17:49:59 2012 Stashing /mnt/Library/Ringtones Fri Oct 19 17:50:02 2012 Stashing /mnt/Library/Wallpaper Fri Oct 19 17:50:07 2012 Linking /mnt/usr/include Fri Oct 19 17:50:07 2012 Linking /mnt/usr/lib/pam Fri Oct 19 17:50:07 2012 Stashing /mnt/usr/libexec Fri Oct 19 17:50:11 2012 Stashing /mnt/usr/share Fri Oct 19 17:48:47 2012 Stashing /mnt/Applications Fri Oct 19 17:49:59 2012 Stashing /mnt/Library/Ringtones Fri Oct 19 17:50:02 2012 Stashing /mnt/Library/Wallpaper Fri Oct 19 17:50:07 2012 Linking /mnt/usr/include Fri Oct 19 17:50:07 2012 Linking /mnt/usr/lib/pam Fri Oct 19 17:50:07 2012 Stashing /mnt/usr/libexec Fri Oct 19 17:50:11 2012 Stashing /mnt/usr/share

I'm pretty stumped trying to downgrade my baseband from 6.15. I keep getting an Exploit Failed message after the second stage is uploaded. One strange thing I've noticed is that on my iPhone it lists the modem firmware as 06.15.00, but in Redsn0w it displays "iPhone 3GS (5.0.1, 05.16.05)". Why wouldn't it recognize my correct firmware? I'm trying to get my phone back to stock since AT&T has now approved my unlock. I've tried many variations (like not letting go of the home button when entering dfu, or not selecting an ipsw) but can never get past this Exploit Failed message. Anyone able to offer any suggestions?

my SN is **021****** is it safe to unlock?

Fri Jul 27 17:20:50 2012 Stashing /mnt/Applications Fri Jul 27 17:22:36 2012 Stashing /mnt/Library/Ringtones Fri Jul 27 17:22:37 2012 Stashing /mnt/Library/Wallpaper Fri Jul 27 17:22:39 2012 Linking /mnt/usr/include Fri Jul 27 17:22:39 2012 Linking /mnt/usr/lib/pam Fri Jul 27 17:22:39 2012 Stashing /mnt/usr/libexec Fri Jul 27 17:22:43 2012 Stashing /mnt/usr/share Downgrade fails

Cheers guys,worked a treat first time,bit of a heart stopping moment but success with compass and location services.the only thing left to get fix for is the missing antenna filter components on many iPhones out there,I've tried the wire bridge but it's not as good as the real thing.any help would be appreciated. Cheers!!...

Thank You It was worth the wait .

I am having a factory unlocked iPhone, which a friend updated to iPad baseband..I m currently on FW 5.1.1, I can see the Home screen, but no Wifi, no Bluetooth, but IMEI is present, even it does not recognize the SIM card, unable to downgrade.. Please help

It work perfectly on my old 3G and 3GS 5.1.1 Thanks a bunch this is freakin great.....

Thank god! It worked for me and I had really given up hope for my phone.

Did not work for me!

This time it worked with no error. Many thanks to MuscleNerd, the Dev-Team and iC.

YESSSS!!! SUCCESSS!!! only at one run and my phones baseband was downgraded... now to check it with a gps app... big thanks to MuscleNerd and the Dev-Team!!!

This works... But ultrasn0w doesn't work..still invalid sim,no service etc...

I've been told you need to reinstall mobile substrate & ultrasn0w after the downgrade. Have you tried that?

Thanks a lot... It worked like a charm... U and dev team made my day... Thanks a lot...

The power button of my iPhone 3GS is non-functional and this updated downgrade is a good news for me. However, I am stucked on iOS 4.2.1. Is it possible for me to upgrade to iOS 5.1.1 without the usual "Power Off" procedure (holding down the Power button)?

Testeando By Garfield"

Yes there are ways to get around broken power and home buttons, but might I suggest fixing your power button to make life simpler. It should only cost you around $30 If you're too cheap/broke just deliberately corrupt LLB and it will boot into dfu, then use redsn0w to enter pwnd dfu mode and load a custom 5.1.1 ipsw. If you don't need the unlock you could always just use iTunes to update.

You could also just try the NEW DFU IPSW FEATURE if you have an older 3GS device (Settings > General > About: Serial Number **133****** or Lower.) Some users have reported **134****** as being safe, but flash at your own risk. **135****** and above WILL brick your iPhone, and AFIK nobody has been able to repair these. Once you have restored to a stock 5.1.1 ipsw you can then use redsn0w to flash the iPad baseband, and then downgrade the iPad Baseband. Why Redsn0w doesn't have a 1 click option to do this (Update basebands to 06.15.00 then downgrade to ultrasn0w compatible) is a question I'll have to ask MuscleNerd, pod2g or another one of the guys. But maybe it has to do with the way the Downgrade process works.

Thank you for the information. I'm not really keen on doing all these jailbreaking procedures. The first and last time I did this was on my iPod Touch 2nd generation with the simple swipe-to-jailbreak procedure of JailbreakMe. This iPhone 3GS (from AT&T) was jailbroken and unlocked by my buddy. Thanks to him, I'm able to use it here in the Philippines. Surprisingly, the Power button is now functioning, however I have to press it a little harder for it to work. I don't have plans of having it fixed/replaced since I'm waiting for the next generation iPhone. I'll dispose this by then.