This CFW is built by SnowBreeze 2.0.2 and added with UltraSn0w for Unlock, afc2add for USB connection and also AppSync 4.1 to sync itunes apps plus hactivation handy for unofficial users, tested 100% working on my iphone 3gs old bootrom.
For instruction on how to restore IOS 4.1 custom firmware please refer to this thread:
Restore/Jailbreak iPhone 3GS iOS 4.1 preserve baseband: with Sn0wbreeze 2.0.2 for Windows - SiNfuL iPhone
-If your phone is at 3.1.2 firmware (3gs old bootrom) you need to jailbreak your phone with BlackRa1n RC3 and remember BlackRa1n only compatible with itunes 9.0 and below. When your phone is jailbroken, press Shift+Restore and point to IOS 4.1 Custom Firmware to restore your phone.
-If your phone is at 3.1.3 firmware (jailbreak with Spirit or jailbreakMe ), you need to add source : http://repo.woowiz.net
, and install : Spirit2pwn, before you restore FW Custom. Please dont install Spirit2pwn on your 3GS with new bootrom runnning OS 3.1.3, if you do you will brick your phone and result Stuck in DFU Mode
-If your phone is at IOS 4.0, 4.0.1 jailbroke with jailbreakMe, you need to follow steps to repatch the iboot for your 3GS (old bootrom):
- Download and unzip file spirit2pwn_r3.zip , Pwn_old_boot_3GS.4.0-4.0.1.zip, use ifunbox to copy all files to folder /tmp on your phone (you need to install afc2dd on Cydia to use ifunbox).
Install MobileTerminal for IOS 4 for your phone on Cydia. Open MobileTerminal for IOS 4, and type:
- Enter password your password: the default password is alpine
chmod 755 pwn_old_boot_r3.sh
Reboot your phone, and start restoring Custom FW.
Download iPhone 3GS (old bootrom) CFW IOS 4.1 here:
(800MB root partition, good for 3gs 16gb)
(1GB root partition, good for 3gs 32gb)
Custom fw for 3gs (new bootrom) IOS 4.1 download:
Free File Hosting Made Simple - MediaFire
Download files 001 .ipsw, 002 .ipsw and rejoin with HJsplitter
Custom FW for iPhone 3G IOS 4.1 built with UltraSn0w (800MB root Partition) download:
After restore custom fw, if your phone have back up with itunes or youtube problem, please follow this tut to solve those problems:
Steps for installing 4.1 custom firmware (SOLVES BACKUP ISSUES) - SiNfuL iPhone