Download Custom Firmware 3.1.2 ipsw – Jailbreak, Activate, Unlock iPhone 2G, 3G, 3GS

[zeeshanawan]

iPhone 2G, 3G, 3GS users can now safely update to 3.1.2 firmware without updating the baseband (for unlock). If you are not the one to download all the various files and just want the ultimate result, these files are waiting for you to download! If you rather want to start from scratch, download Pwnage 3.1.4 tool for Mac.

• Caution #1 : A restore is going to wipe the iPhone clean. Hence, please backup your iPhone using iTunes and then proceed.

More info about these custom firmware files :

• Has factory boot logos (Apple and restore cable),
• Only Cydia, No Icy
• Preserved Unlock baseband (that is the whole point of a custom firmware, right?!)
• Activated/Not Activated (Check the files carefully)

Prerequisite (recommended) :
If your iPhone is already jailbroken at the current firmware (3.0, 3.0.1, 3.1), it will be a hassle free upgrade! Restore mode will work just fine with already jailbroken iPhones.

Step 1.1) Download Files for iPhone 3GS (Please read the following carefully)

• Download the following files ONLY if you have an Official iPhone contract with your cell carrier (ATT and others….)
• iPhone 3GS 3.1.2 Custom Firmware Not Activated Official Carriers Part 1
• iPhone 3GS 3.1.2 Custom Firmware Not Activated Official Carriers Part 2

OR

• Download the following files ONLY if you don’t have an iPhone contract (T-Mobile and others…)
• iPhone 3GS 3.1.2 Custom Firmware Activated for Other Carriers Part 1
• iPhone 3GS 3.1.2 Custom Firmware Activated for Other Carriers Part 2

Step 1.2) Download Files for iPhone 3G (Please read the following carefully)

• Download the following files ONLY if you have an Official iPhone contract with your cell carrier (ATT and others….)
• iPhone 3G 3.1.2 Custom Firmware Not Activated Official Carriers Part 1
• iPhone 3G 3.1.2 Custom Firmware Not Activated Official Carriers Part 2

OR

• Download the following files ONLY if you don’t have an iPhone contract (T-Mobile and others…)
• iPhone 3G 3.1.2 Custom Firmware Activated for Other Carriers Part 1
• iPhone 3G 3.1.2 Custom Firmware Activated for Other Carriers Part 2

Step 1.3) Download Files for iPhone 2G (Please read the following carefully)

• Download the following files ONLY if you have an Official iPhone contract with your cell carrier (ATT and others….)
• iPhone 2G 3.1.2 Custom Firmware Not Activated Official Carriers Part 1
• iPhone 2G 3.1.2 Custom Firmware Not Activated Official Carriers Part 2

OR

• Download the following files ONLY if you don’t have an iPhone contract (T-Mobile and others…)
• iPhone 2G 3.1.2 Custom Firmware Activated for Other Carriers Part 1
• iPhone 2G 3.1.2 Custom Firmware Activated for Other Carriers Part 2

Step 2) Join the downloaded files

• The files downloaded above have an extension .001 and .002. They need a special opensource (free) software HJSplit to join.
• Download HJSplit to join both the files – Link for Windows Computers here and Macs here.

Step 3) Restore the firmware in iTunes 9.x

• You should now have the respective firmware file with an extension .ipsw (make sure it is .ipsw or else, it will give you an invalid firmware error) . Follow the steps in order :

THEN AFTER THAT
for unlock without wifi

• Download and Extract the Blacksn0w to your Desktop. Download here or here, There are two files in the package first is blacksn0w.dylib and second is com.apple.CommCenter.plist
• Download and Install DiskAid Here,Connect your phone to computer and launch DiskAid to explore file system of your phone.
• In disk aid explore /usr/lib/ and place blacksn0w.dylib here, Now and put that plist file in System/Library/LaunchDaemons/ This should be as following.

1. /usr/lib/blacksn0w.dylib
2. /System/Library/LaunchDaemons/com.apple.CommCenter.plist

• Now close the DiskAid and your phone will be unlocked after the reboot. For those who likes to play with .Deb file follow the following tutorial. Both guides are same first is manual and second is automatic. But both works fine.

[shumrtong]

Thanks Thanks Thanks

[zeeshanawan]

you can unlock and patch3.1 w/o wifi with only
ACTIVATED
CUSTOM FIRMWARE