Updating from 4.2.1 to 4.3.3

[poopshooter]

I have an Iphone 4 that is jailbroken. I also have the SHSH blob from 4.2.1.

I have search around and cannot find an answer. Can I upgrade to 4.3.3?

Itunes works until it says "getting iphone ready for update" and the phone has the itunes picture on it, but then it says it cannot be completed.

Thanks.

[iYeow]

If you have 4.3.3 blob, then you can restore to IOS 4.3.3 with the help of tss server running from Tiny Umbrella.

[poopshooter]

If you have 4.3.3 blob, then you can restore to IOS 4.3.3 with the help of tss server running from Tiny Umbrella.

Unfortunately I do not have the 4.3.3 blob. I was wondering if there was a way around that.

[iYeow]

I thought you said you have shsh blob from 4.2.1, then there is no way around.

[poopshooter]

I thought you said you have shsh blob from 4.2.1, then there is no way around.

When I got the phone it had 4.2.1 on it. I jailbroke it and got the blob for 4.2.1.

I do not have the blob for 4.3.3, but I would like to update to that FW.

I use TU server with the 4.2.1 blob, and iTunes goes past authentication, but then it stops.

[iYeow]

Have you tried running latest tiny umbrella, plug iphone in , select : request shsh blob from cydia and click save shsh.
Look under general tab for shsh blob.