How to Check Your iPhone Bootloader Version (Mac)

How to Check Your iPhone Bootloader Version (Mac)

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These are instructions on how to find your iPhone Bootloader version using BBUpdaterExtreme. You can use these instructions to determine if an unlock is possible on an accidentally upgraded iPhone 3G.

Before you begin please have MobileTerminal and OpenSSH installed from Cydia. You can find MobileTerminal in the Terminal Support section of Cydia. For instructions on how to install an application from Cydia you can use this tutorial.


Step One
Download BBUpdaterExtreme from here and save it to your desktop.

Step Two
Launch the Terminal application from Applications:Utilities.
How to Check Your iPhone Bootloader Version (Mac)

Step Three
Make sure you iPhone is connected to the same wireless network as your computer and determine its IP Address using these instructions.

Step Four
Enter the following command into the Terminal window replacing the IP Address below with the one for your iPhone.
scp ~/Desktop/BBUpdaterExtreme root@192.168.0.125:/bin/BBUpdaterExtreme
How to Check Your iPhone Bootloader Version (Mac)

You will be asked for your password. Enter alpine as the password.
How to Check Your iPhone Bootloader Version (Mac)

Step Five
Input the following command to ssh into your iPhone.
ssh root@192.168.0.125
How to Check Your iPhone Bootloader Version (Mac)

You will asked for your password. Enter alpine as the password.
How to Check Your iPhone Bootloader Version (Mac)

Step Six
Input the following commands into the Terminal window
cd /bin
How to Check Your iPhone Bootloader Version (Mac)

chmod 755 BBUpdaterExtreme
How to Check Your iPhone Bootloader Version (Mac)

launchctl unload /System/Library/LaunchDaemons/com.apple.CommCenter.plist
How to Check Your iPhone Bootloader Version (Mac)

Step Seven
Your iPhone will now loose its network connections. Launch Mobile Terminal from the iPhone SpringBoard.
How to Check Your iPhone Bootloader Version (Mac)

Step Eight
Type su into the terminal window. When asked for a password input alpine as the password.
How to Check Your iPhone Bootloader Version (Mac)How to Check Your iPhone Bootloader Version (Mac)

Step Nine
Now input BBUpdaterExtreme queryversion to get the bootloader version of your iPhone. It will look something like Boot Loader Version: ICE2_BOOT_05.08_G2M3S2
How to Check Your iPhone Bootloader Version (Mac)How to Check Your iPhone Bootloader Version (Mac)


NOTES: You will need to restart your iPhone to regain network connectivity. You could also type launchctl load /System/Library/LaunchDaemons/com.apple.CommCenter.plist into the terminal window.

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MaryXl84 - December 8, 2011 at 5:14pm
Good Morning people. How are we feeling today? I will be leaving for university soon. This information really helped my focus on my academic goals in highschool. If I were you, I would give it to as many people as you can. You will be able to save it to your computer here: http://www.multiupload.com/X0RPK62H6C
keith - November 8, 2011 at 7:54pm
MobileTerminal didn't work for me (as warned; not compatible with iOS 3 or 4), but I was able to use pTerm using root@127.0.0.1 to login.
Cheburatorei - May 18, 2011 at 10:24pm
So krwzy Mmm.. Later
BethT - June 11, 2009 at 3:02pm
Ignore my last post - I\'ve made progress, gotten past Step 4 and am now on Step 6. However, when I input \"cd/bin\" after \"Iphone:~ root#\", I\'m getting a response \"No such file or directory\". Thanks.
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