Painless way to check iPhone baseband is here

Add the source to your installer : http://www.trejan.com/irepo
Install BBInfo under Utility category

Thanks to amazing tman!

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Manual Method

What you need:

1. WinSCP - http://winscp.net/eng/download.php
2. puTTY - http://www.chiark.greenend.org.uk/~s.../download.html
3. bbupdater - http://rapid$hare.com/files/65139648...dows_.zip.html (Replace $ with letter s Unzip and extract "bbupdater", I don't know where else to get only the bbupdater)
4. WIFI
5. Jailbreaked

What to do:
1. Install WinSCP
2. Check iPhone WiFi IP address -- Settings->WiFi->tap blue arrow->IP Address
2. Launch WinSCP - Enter IP Address in Host Name box, Username root Password alpine and uncheck "Allow SCP fallback". Click 'Yes' if a message window appears for the first connection attempt
3. WinSCP GUI will appear, your local PC directories will be shown on the left portion and iPhone directories will appear on the right. Browse to /usr/bin directory on iPhone if you already have that. If not make one by Right Click -> New or press F7 in the /usr directory
4. On the GUI, look for bbupdater you just downloaded, drag and drop it into iPhone's /usr/bin directory. MAKE SURE to set the permission to 0755!
5. Close WinSCP
6. Launch puTTY.exe
7. Enter the same IP Adress in Step 2 to the Host IP Name and click 'Yes' to the message for the first connection attempt
8. Enter root as login prompt and alpine as Password and you will see a '#' symbol
9. In the puTTY window, type: (to disable Comm Center)

launchctl unload -w /System/Library/LaunchDaemons/com.apple.CommCenter.plist

10. Nothing will happen but then type:

bbupdater -v

The following message will appear and you can now write down the bootloader version of your phone:

Resetting target...
pinging the baseband...
issuing +xgendata...
firmware: DEV_ICE_MODEM_04.01.13_G
eep version: EEP_VERSION:207
eep revision: EEP_REVISION:8
bootloader: BOOTLOADER_VERSION:3.9_M3S2

11. Finally type: (to enable Commcenter again)

launchctl load -w /System/Library/LaunchDaemons/com.apple.CommCenter.plist

12. Power cycle your phone and you are done!!

finally...thx a lot... pls put this on sticky

I agree that it should be put as a sticky.
Thanks!

Sticky please

I uploaded bbupdater with iBrickr. When I'm writing "bbupdater -v" into putty, it responses with "zsh: permission denied: bbupdater"

What can I do?

Originally Posted by mikkel49

I uploaded bbupdater with iBrickr. When I'm writing "bbupdater -v" into putty, it responses with "zsh: permission denied: bbupdater"

What can I do?

chmod +x ./bbupdater

Originally Posted by eddy123

chmod +x ./bbupdater

should I write the whole line in? (chmod +x ./bbupdater)
Because when I do that, it responses with "chmod: ./bbupdater: No such file or directory"

Thanks for the quick reply

Try:
chmod +x /usr/bin/bbupdater

When I type that in (chmod +x /usr/bin/bbupdater) it just creates a new line, and nothing else happens

Edit:

I got it working now. I have bootloader 4.6.... crap, no unlock

Why bother fooling around with bbupdater? Just look at the case. If it has the iTunes icon, it has bootloader 4.6.