Can't upgrade to 4.2.1 from 4.1

[KuRuPtIoN]

Everytime I try and upgrade I keep getting an error 1013 then I get stuck in recovery mode and have to use tiny umbrella to kick me out of it, and even thats not always kicking me out of recovery mode. I'm trying to upgrade so I can jailbreak via Green Pois0n. I'm on an iPhone 4. Can anyone help?

[Nickjudd]

Are u trying to preserve your baseband? Otherwise use iTunes to upgrade...

[KuRuPtIoN]

I just tried redsn0w to try and upgrade to 4.2.1 on both my mac and pc. Both times I tried it kept me on 4.1, lol. What am I doing wrong?

Are u trying to preserve your baseband? Otherwise use iTunes to upgrade...

I tried that on both mac and pc and kept getting an error.

[Simon]

redsnow cannot update firmware, only itunes can. After updating in itunes and getting that 1013 error run greenpoison rc5-2

Are you on official carrier?

[KuRuPtIoN]

Yeah im on AT&T. Greenpois0n will still work if its in recovery mode? Thanks for the help.

[Simon]

If you are on ATT then do this: Open tiny umbrella, click advanced, deselect the box that says set hosts to cydia on exit. Apply the change then close tiny umbrella, then try restoring to 4.2.1 again.

[d4k4]

try keep the iTunes open and doing the "exit recovery" in TinyUmbrella. Once you kick it off recovery mode then go back to iTunes and wait till you see your phone connected then press SHIFT key + left Mouse click on RESTORE. Then look for the FW you downloaded. (WINDOWS VERSION) If you saved your SHSH through TinyUmbrella that means you will get the 1013 error but it's ok, that means that your baseband didn't get updated that is what the error is for. If your phone reboots properly that means you're updated.

[Simon]

^ He is on ATT, he doesnt need to preserve baseband. Just do as I said and you will be able to restore to 4.2.1 successfully without getting an error. Then you can use greenpoison.

[KuRuPtIoN]

If you are on ATT then do this: Open tiny umbrella, click advanced, deselect the box that says set hosts to cydia on exit. Apply the change then close tiny umbrella, then try restoring to 4.2.1 again.

Thanks! That worked. Only problem now is greenpois0n failed to load 4 files.

[Simon]

Give it another go. Make sure to keep holding the home button until you see the scrolling text.

[KuRuPtIoN]

Give it another go. Make sure to keep holding the home button until you see the scrolling text.

Thanks a lot for your help, it took a few tries but I got it going.

[Simon]

Glad to hear it

[onlinegamesnz]

if i use itunes to downld and update does it update baseband and can i still jailbreak on updated baseband and all?

please help im real real stuck have been 4 2 days nw

thanks

[Simon]

Yes it will update the baseband. Baseband has no bearing on jailbreaking though, just unlocking.

[onlinegamesnz]

Yes it will update the baseband. Baseband has no bearing on jailbreaking though, just unlocking.

hey man can i pls PM you for some help?

[Simon]

It's much easier to help out here. No timeline in PM's

[wine_guy]

^^ This. No one else can benefit from the help you get by PM. If you have your problems fixed in public forum, everyone wins.

[Simon]

^ yup