: Ensure your computer has a stable internet connection. Try disabling your firewall or antivirus temporarily, as they may block the request to Apple’s servers.
If you are getting this error because the firmware is , you generally cannot proceed. The only exception is if you have saved SHSH blobs for that specific version and device in the past. If you don't have them, you must choose a signed version (usually the latest iOS) to restore your device. 3utools Error Unable To Request Shsh
An unstable internet connection or a firewall is blocking access to Apple’s verification servers. Outdated Software: : Ensure your computer has a stable internet connection