[img source : Apple.com]
iPhone 3GS users can now safely update to 3.1 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 3.1.3 tool for Mac.
- Caution #1 : Please proceed further ONLY if you have an iPhone 3GS. iPhone 2G or 3G owners should follow this guide instead.
- Caution #2 : A restore is going to wipe the iPhone clean. Hence, please backup your iPhone using iTunes and then proceed.
- Caution #3 : Don’t install Winterboard just yet. There are some issues that need to be ironed out for 3.1 3GS iPhone.
More info about these custom firmware files :
- Has factory boot logos (Apple and restore cable),
- Only Cydia, No Icy,
- 695 MB Root Partition.
Step 1a) Proceed to Step 1 only if you meet the following conditions
- The following firmware works only with iPhone 3GS 3.0 or 3.0.1.
- Make sure your iPhone 3GS is Pwned at 3.0 or 3.0.1 (Jailbroken – should have Cydia on it before following the rest of the guide). If not follow these guides first (very important)
- iPhone 3GS 3.0
- iPhone 3GS 3.0.1
- iPhone 3GS 3.1 Out of the Box cannot be unlocked at the moment.
Step 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 Custom Firmware Not Activated Official Carriers Part 1
- iPhone 3GS 3.1 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 Custom Firmware Activated for Other Carriers Part 1
- iPhone 3GS 3.1 Custom Firmware Activated for Other Carriers Part 2
