If you are using a username/password license, skip to Step 3.
and run the "Backup" process again before trying to "Bypass". Verify Device Compatibility: Confirm the device is an iPhone 6s through X and running a supported iOS version (typically iOS 12 through 14.8 , as newer versions may have patched exploits). Check for IC-Info.sisv: Unlike some older tools, newer versions of UnlockTool are designed to generate the IC-Info.sisv activation record does not exists unlocktool
: Significant differences exist between activation data for older versions (like iOS 13) and newer versions (like iOS 15). If the tool is expecting data in a specific format that doesn't match the current OS, it may report the record as non-existent. Server Communication Failure If you are using a username/password license, skip to Step 3
: Unstable internet connections or Apple's activation servers being down can prevent the tool from retrieving necessary tokens. Potential Fixes Update and Re-attempt Check for IC-Info
For official support or a replacement activation form if you have proof of purchase, you can contact Apple Support for your specific iPhone model?