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An all-in-one tool to restore/downgrade, save SHSH blobs, and jailbreak legacy iOS devices
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README.md

32bit-OTA-Downgrader

Downgrade 32-bit iOS devices to iOS 8.4.1 or iOS 6.1.3 (see supported devices below)

  • Please see "Other notes" below to serve as answers for FAQs

Supported devices (iOS 8.4.1 downgrade):

  • All A5, A5X, A6, and A6X devices except iPhone5,3 and 5,4 (iPhone 5C) are supported

Supported devices (iOS 6.1.3 downgrade):

  • Only iPhone 4S and iPad 2 devices except iPad2,4 (iPad 2 Rev A) are supported

Prerequisites:

  • A supported 32-bit iOS device jailbroken on any version
  • iOS 8.4.1 or 6.1.3 IPSW for your device (the script can also download it for you)
  • A Linux install/live USB (see distros tested on below) (a live USB can be easily created with tools like balenaEtcher or Rufus)
  • macOS (tested on 10.13 and 10.14 only) should also work, but I won't be able to provide support when the script breaks
  • iOS 7/8 Pangu users: Install the latest Pangu 7.1.x Untether (deb) or latest Pangu 8.0-8.1.x Untether (deb)
  • iOS 9 and below users: Install OpenSSH; The computer and iOS device must be on the same network for SSH to work
  • iOS 10 users: Install MTerminal

How to use:

  1. Download or git clone this repo
  2. Plug in your iOS device in normal mode
  3. Open Terminal, cd to the directory where the script is located (example: cd /home/user/32bit-OTA-Downgrader)
  4. Run chmod +x restore.sh
  5. Run ./restore.sh
  6. Select option to be used (8.4.1/6.1.3 downgrade)
  7. Follow instructions

Other notes:

  • You do NOT need blobs to use this, the script will get them for you
  • This script will restore your device with the latest baseband (N/A to devices with no baseband)
  • This script has a workaround for the activation error on iOS 10 devices
  • This script uses futurerestore "Odysseus method" for downgrading (different from OdysseusOTA/2, which are deprecated)
  • This script uses an unmodified IPSW to restore and does NOT create a custom IPSW
  • This script only uses iBSS patches for entering kDFU mode
  • This script can also be used to just enter kDFU mode for all supported devices
  • This script can also be used to futurerestore to other iOS versions when provided with SHSH blobs
  • This script should also work on virtual machines, but I won't provide support on them

Linux distros tested on:

Tools and other stuff used by this script: