
SEP, Baseband and BuildManifest are downloaded through a Partial Zip PHP library. https://github.com/stnvh/php-partialzip. We do not host SEP, Baseband or BuildManifest files anymore.
Download the iOS 11.3.1 IPSW: 11.3.1.ipsw
The latest iTunes: https://www.apple.com/itunes/download/
Nonce Setter for iOS 11: noncereboot_empty_list.ipa by @pwn20wnd
Nonce Setter for iOS 10: v0rtexNonce.ipa by @Arx8x
Cydia Impactor: http://www.cydiaimpactor.com/Download the baseband file: ICE16-2.03.12.Release.bbfw
Download the SEP file: sep-firmware.d101.RELEASE.im4p
Download the BuildManifest file: BuildManifest.plist
Download FutureRestore for MacOS: futurerestore_macos_v173.zip
Download FutureRestore for Windows (64 bit): futurerestore_win64_v173.zip
MacOS users getting "Illegal Instruction: 4", use this version: futurerestore_macos_DEBUG3.zip
NOTE! FOR THOSE WHO USED THE PREVIOUS TOOLKIT .ZIP, GET RID OF THE CONTENTS OFdowngrade FOLDER, BUT KEEP THE SHSH BLOB AND 11.3.1 IPSW IN THERE. EVERYTHING ELSE MUST GO FOR THE NEW STUFF TO WORK.
Put everything you downloaded into a folder on Desktop called downgrade (no caps).
Put your SHSH2 blob file in the same folder, and the 11.3.1 ipsw you downloaded.
cd %USERPROFILE%/Desktop/downgrade
cd ~/Desktop/downgrade
The command for MacOS
The command for Windows:
Now, just run the command in Command Prompt / Terminal!
Join the iOS Community Discord Server for further assistance with restoring to iOS 11.3.1!!
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