Apple has stopped supporting this version.
Follow these solutions in order to resolve the error and successfully complete your flash. 1. Verify iOS Signing Status
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: You are attempting to restore or downgrade to an iOS version that Apple has officially discontinued and stopped signing.
Prevents firmware restoration, downgrading, or saving of device signatures necessary for non-standard iOS version installations.
: If you are trying to flash in "Quick Flash Mode" or "Recovery Mode," try putting your device into DFU Mode instead, as this can sometimes bypass verification hang-ups. Common Contexts for This Error
Open 3uTools and click at the bottom right, or download the latest version directly from their official site.
blobs are digital signatures created by Apple’s servers. Every time you restore or update an iPhone, iTunes or 3uTools sends a request to Apple's TSS (Time Stamping Authority) server. Apple checks the request and issues a unique SHSH blob for that specific device (identified by its ECID) and that specific iOS version.
Follow these solutions sequentially to bypass the 9% flash error and successfully restore your device. 1. Verify the iOS Signing Status
You are trying to install an old iOS version that Apple has blocked.
You are trying to install an iOS version that Apple has stopped "signing." Once signing ends, Apple's servers will not issue the SHSH blobs required for installation.
If you download an older IPSW firmware file (e.g., iOS 16.1) today and try to flash it with 3uTools, Apple’s server will look at the request and realize it is an old, deactivated version. Consequently, Apple refuses to sign it, and 3uTools returns the error. On iTunes, this usually manifests as
