How To Fix Error Unable To Request Shsh On 3utools When Access

  • If you see any line not starting with #, delete it or add # at the beginning to comment it out.
  • Save the file (you may need to save a copy elsewhere and drag it back due to permissions).
  • Flush DNS: Open CMD as admin and type ipconfig /flushdns.
  • Now try 3uTools again.


    3uTools requires elevated permissions to modify network hosts and communicate effectively with Apple’s servers. If it lacks permissions, the handshake fails.

    | Error Context | Most Likely Fix | |---------------|----------------| | Trying to save SHSH for an old iOS version (e.g., iOS 15 on an iPhone 14) | Check ipsw.me – version is unsigned; cannot request new blobs. | | Error appears immediately when clicking "Request SHSH" | Run 3uTools as admin, disable firewall/antivirus. | | Error appears after a long timeout | Update 3uTools/iTunes; clear cache. | | Working previously, now fails | Apple may have stopped signing that version. | | Offline device / manual ECID entry | Double-check ECID and exact device model number. | How To Fix Error Unable To Request Shsh On 3utools When


    The keyword includes “when” because the error appears in specific contexts. Let’s break them down:

    Now, let’s fix it.


    Sometimes, your Internet Service Provider (ISP) or network administrator might have specific blocks on the ports Apple uses for verification.

    How to fix:


    Right-click the 3uTools icon → Run as administrator → Try the SHSH request again.