Apple no longer signs iOS 16.6 and the only version that can be installed on the iPhone before the release of iOS 17 is iOS 16.6.1.
Apple released iOS 16.6 a few weeks ago with many new features and improvements, however, this update can no longer be downloaded to the iPhone because Apple has stopped signing it officially. Now you can only install iOS 16.6.1, which remains the same. latest version of iOS 16 before the release of iOS 17.
The truth is that iOS 16.6.1 is an important update that fixes two serious security errors on the iPhone. Therefore, even if you are going to install iOS 17 on your iPhone on September 18, We recommend that you install iOS 16.6.1 first.
You can only install iOS 16.6.1 on the iPhone
That Apple stop signing a version of iOS means you won’t be able to install it on the iPhone, not even if you try to force it. When you are going to install a new version of iOS on the iPhone, the device first connects to Apple’s servers and if they do not sign the system it is not installed.
iOS 16.6 was released on July 24 fixing some bugs, no notable new features found. Something logical considering that iOS 17 was so close to being officially released. iOS 16.6.1 arrived on September 7 and may be the last update to iOS 16, unless a serious security bug is found. It must be remembered that the iPhone 8, iPhone 8 Plus and iPhone
Having an updated iPhone guarantees you can access any new features or interface changes that the company has implemented in the system. Ensuring a better performance on the device and a good usage experience for the user. Therefore, if you are on iOS 16.6.1, you will not be able to downgrade to reinstall the previous version of the mobile operating system of the company with the bitten apple logo. And if you have to restore the iPhone, this will be the version it updates to.
Going back to previous versions of iOS is a technique that is usually used by those who jailbreak their iPhone and iPad. However, this is something that has been losing a lot of popularity over time. Furthermore, Apple makes downgrade very difficult with these types of measures.