After more than 15 years covering everything Apple, it’s with a heavy heart we announce that we will no longer be publishing new content on iMore and the iMore forums will be closing as of November 1st, 2024.
Create a custom 4.3.3 firmware (with options to keep the current baseband and activate if you don't have the official carrier sim) yourself using Pwnagetool(Mac) or Snowbreeze (windows). Or, you can google and download one from a trusted site.I am in desperate need of help. I need to upgrade from 3.1.3 to anything 4.0 or higher but I need to keep my unlock and jailbreak because I have tmobile. Can someone help?
