1. willows3's Avatar

    On a link that says "Upgrading to 4.0.2? Read This"
    "Note: This device requires its firmware installations to be verified by Apple before every single restore. This is designed to keep you from installing jailbreakable firmwares as Apple fixes the exploitable bugs

    Users that have agreed to let Cydia manage their SHSH history can use its signature server replacement to restore with older firmware versions.

    Please understand, this is a history: once Apple releases a new firmware, there is no going back. Neither your device, nor your computer, has any information on it that is able to help you downgrade at a later time!

    This means if I upgrade- I can't jailbreak my phone again until a next jailbreak is released, right?

    Or is this telling me that my warranty is going to be void because I will not be able to wipe out the jailbreak completely?

    Please excuse my ignorance. I'll get better at this, promise.
    11-12-2010 12:16 PM
  2. big9erfan's Avatar
    The SHSH signatures are stored on the Cydia servers, if you save them there that is.

    Without them saved on Cydia ( or TinyUmbrella to save them on your computer ), if you upgrade to a new version, you CANNOT downgrade.
    11-12-2010 12:50 PM