In order to enforce this limitation SHSH blobs were introduced, which is a hash signature system. You see, when you restore your iPhone, iPod Touch or iPad through iTunes your device phones home and ensures that it is allowed to be restored to a specific firmware version. In the early days you could downgrade your iOS device to any firmware version you wanted to and not run into many troubles. This is because firmware restores never had to be approved by Apple, but starting from iOS 3.0 onwards Apple implemented a technology called SHSH blob.
Note #2: We will be updating this page with the latest how to downgrade guides when new firmware versions are released, so make sure you come back soon!ĭowngrading your iPhone, iPod Touch or iPad to a lower firmware version is indeed possible, but unfortunately has become harder and harder over the years.
Meaning you had to have saved your SHSH blobs for the firmware version you are trying to downgrade to, or downgrading will not work. Note #1: This is not some magical section of guides that will allow you to downgrade your iPhone, iPod Touch, iPad or Apple TV 2G without having your SHSH blobs saved for prior firmware versions. Simply scroll through our How To Downgrade section for the firmware version you are trying to downgrade to, and read one of our easy to follow how to guides on downgrading your iPhone, iPod Touch, iPad, Apple TV or even PlayStation.
Additionally, you will also learn the best way to save your SHSH blobs which will allow you to downgrade your iPhone, iPad, iPod Touch and Apple TV firmware version in the future. iOS 9, iOS 8, iOS 7, iOS 6, iOS 5 etc.) than the one you are currently running. In this section you will learn how to downgrade your iPhone, iPod Touch, iPad and Apple TV to a lower firmware version (e.g.
0 kommentar(er)
