Right click on your iPhone in iTunes and click "Back Up". Upgrade to the newer firmware (you may have to shift+click restore in iTunes and restore from a downloaded IPSW), Restore to your backup, and then jailbreak again using the new version of Greenpoison.
Does that backup my jailbreak settings, apps, etc?
No. use PKGBackup from Cydia for that
I have 4.1 now, I kind of want to test Airplay with Plex on my Mac Mini.
Should I upgrade to 4.3 now, or wait until June/July-ish for iOS 5?
Either way, I should backup my phone like normal, back up with PKGBackup, update iOS, re-jailbreak, then use iTunes and PKGBackup to restore?
There is no stable JB yet for 4.3 so I'd wait till an untethered JB is released and cydia and most packages are updated for it before you update to 4.3
Where should I look to find out about a stable untethered 4.3 jailbreak?
I have a Mac. I think I used Green Pois0n before.
I currently have a 3GS on 3.1.2 (7D11) with baseband 05.11.07. It was jailbroken using blackra1n way back when, and I have been looking to update recently. I know that I don't want to move to 4.3.1 just yet since there is no untethered jailbreak. I just want to confirm that I have the right steps to move to 4.2.1.
1. Sync and backup to iTunes and close iTunes.
2. Backup jailbreak apps using PKGBackup.
3. Download blobs using TinyUmbrella.
4. Start TSS Server and re-open iTunes.
5. Press and hold Shift key (Windows) and click on “Restore”.
6. Point to location where I have 4.2.1 file downloaded from Apple.
7. Let iTunes update firmware.
8. Once update is complete, power off phone.
9. Open up greenpois0n RC6.1, and follow directions to jailbreak.
10.Restore packages using PKGBackup.
11.Sync to iTunes.
Just curious if I have all of these steps in the correct order.
I currently have a 3GS on 3.1.2 (7D11) with baseband 05.11.07. It was jailbroken using blackra1n way back when, and I have been looking to update recently. I know that I don't want to move to 4.3.1 just yet since there is no untethered jailbreak. I just want to confirm that I have the right steps to move to 4.2.1.
1. Sync and backup to iTunes and close iTunes.
2. Backup jailbreak apps using PKGBackup.
3. Download blobs using TinyUmbrella.
4. Start TSS Server and re-open iTunes.
5. Press and hold Shift key (Windows) and click on Restore.
6. Point to location where I have 4.2.1 file downloaded from Apple.
7. Let iTunes update firmware.
8. Once update is complete, power off phone.
9. Open up greenpois0n RC6.1, and follow directions to jailbreak.
10.Restore packages using PKGBackup.
11.Sync to iTunes.
Just curious if I have all of these steps in the correct order.
Thanks for the info. I have backed up SHSH with TinyUmbrealla already. I do have access to a Macbook, so I will go ahead and try the pwnage option. Once the custom firmware is completed, can I copy that back to my Windows machine and install through iTunes there? Is there a reason why I would have to enter DFU mode and install while on the Mac?
Thanks for the info. I have backed up SHSH with TinyUmbrealla already. I do have access to a Macbook, so I will go ahead and try the pwnage option. Once the custom firmware is completed, can I copy that back to my Windows machine and install through iTunes there? Is there a reason why I would have to enter DFU mode and install while on the Mac?
I am trying to do something very similar to crazycru. I have a 3GS with it's original 3.0 Firmware that just recently did the Jailbreak on and an Unlock. I would like to upgrade to 4.2.1 and keep my phone unlocked (current baseband 04.26.08-6.4_M3S2) then do the Jailbreak for that firmware again.
From what I understand so far I need to:
*I never installed any apps from cydia so I'm not worried about backing up or recovering those.
- Backup my phone in iTunes (already done)
- Download and patch the 4.2.1 firmware with Sn0wbreeze (done)
- Do the shift+restore option in iTunes with the custom firmware
- Do a "restore from backup" in iTunes to bring back my apps and settings
- Jailbreak with Greenpois0n
** I've also aready got my 4.1 and 4.3.1 SHSH files from TinyUmbrella.
I have a few questions dealing with steps 1 and 4. First, the hard drive of the computer I used to sync my phone with crashed a while back so there really isn't any computer my phone is syncing with. Will this effect my ability to upgrade and restore?
Second, will apples firmware upgrade process or the backup and restore process preserve my currently installed applications and all of there data and settings or just the system settings, contacts, messages, etc.?
Thanks
Check out post #10. It's pretty complete, except for missing the step about custom firmware. I don't know if snowbreeze requires putting the phone into DFU, like pwnage's firmware does. Either way, you'll have to put the phone into DFU at some point before using itunes to open the custom firmware.
IIRC, snowbreeze, like pwnage, jb your phone. You don't have to use greenpoison.
Custom firmware restores your phone (i.e., erases it). You need a backup on the hard drive.
Thanks! I was thinking everything probably would get wiped, just wanted to make sure. What kind of backup do I need on the hard drive? Is it the backup iTunes creates?
How do I know if I used ultrasn0w or not.
I don't remember. I think it was green poison.
I'm on a Mac with 3GS 4.1 (8B117), ATT 8.0, Model MC137LL, Modem 05.14.02
aptbackup is another good app