diff --git a/README.md b/README.md index 2fb3bd6..2123d69 100755 --- a/README.md +++ b/README.md @@ -1,33 +1,54 @@ # iOS-OTA-Downgrader ### (formerly 32bit-OTA-Downgrader) ### Downgrade/restore and jailbreak iOS devices to signed OTA firmwares -- This downgrade script/tool supports **both Linux and macOS** -- iOS 8.4.1 and 6.1.3 downgrades have the option to jailbreak - - For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) +- **Linux and macOS** are supported by this downgrade script/tool + - Windows users can create a Linux live USB (see Requirements) +- iOS 8.4.1 and 6.1.3 downgrades have the option to **jailbreak** the install + - For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) to jailbreak - **You do NOT need blobs to use this**, the script will get them for you -- This script can also restore your device to other iOS versions that you have SHSH blobs on (for 32-bit devices only) -- **Please see the "Other notes" section below to serve as answers/solutions for frequent questions and issues** +- This script can also restore your device to other iOS versions that you have SHSH blobs for (32-bit devices only, listed under Supported devices) +- **Please read the "Other notes" section for frequent questions and troubleshooting** ## Supported devices: - You can identify your device [here](https://ipsw.me/device-finder) -- **iOS 10.3.3** - A7 devices: - - iPhone 5S - - iPad Air 1 - - iPad mini 2 **except iPad4,6** - - **iPad mini 3 is NOT supported** -- **iOS 8.4.1** - 32-bit devices: - - iPhone 4S, iPhone 5 - - iPad 2, iPad 3, iPad 4, iPad mini 1 - - iPod 5th gen - - **iPhone 5C is NOT supported** -- **iOS 6.1.3**: - - iPhone 4S - - iPad 2 **except iPad2,4** +- **iPhone 5C and iPad mini 3 devices are NOT supported (OTA versions are not signed)** +- iPhone 5C can still be restored to versions that you have SHSH blobs for + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
Target VersionSupported Devices
iOS 10.3.3A7 devices:
iPhone 5S
iPad Air 1
iPad mini 2 (except iPad4,6)
iOS 8.4.132-bit devices:
iPhone 4S
iPhone 5
iPad 2, iPad 3, iPad 4
iPod 5th gen
iOS 6.1.3iPhone 4S
iPad 2 (except iPad2,4)
## Requirements: -- **A supported device in any iOS version:** - - A 32-bit iOS device (**jailbreak needed**) +- **A supported device in any iOS version (listed above):** + - A 32-bit device (**jailbreak needed**) - An A7 device (jailbreak not needed) - An IPSW for the version you want to downgrade to - Links: [iOS 10.3.3](https://ipsw.me/10.3.3), [iOS 8.4.1](https://ipsw.me/8.4.1), [iOS 6.1.3](https://ipsw.me/6.1.3) @@ -35,8 +56,8 @@ - A **64-bit Linux install/live USB** or a supported **macOS** version - See supported OS versions and Linux distros below - A Linux live USB can be easily created with tools like [balenaEtcher](https://www.balena.io/etcher/) or [Rufus](https://rufus.ie/) -- All 32-bit users must install [OpenSSH](https://cydia.saurik.com/package/openssh/) - - Users in iOS 10 must install Dropbear ([Cydia repo](https://lukezgd.github.io/repo/)) as well +- Users with 32-bit devices must install [OpenSSH](https://cydia.saurik.com/package/openssh/) + - Users in iOS 10 (A6/A6X) must also install Dropbear ([Cydia repo](https://lukezgd.github.io/repo/))
For Pangu 32-bit users: @@ -53,21 +74,24 @@ 6. Follow instructions ## Supported OS versions/distros: -- Ubuntu [16.04](http://releases.ubuntu.com/xenial/), [18.04](http://releases.ubuntu.com/bionic/), [20.04](http://releases.ubuntu.com/focal/), and [20.10](https://releases.ubuntu.com/groovy/) and Ubuntu-based distros like [Linux Mint](https://www.linuxmint.com/) +- Ubuntu [20.04](http://releases.ubuntu.com/focal/) and [20.10](https://releases.ubuntu.com/groovy/); and Ubuntu-based distros like [Linux Mint](https://www.linuxmint.com/) +- Ubuntu [16.04](http://releases.ubuntu.com/xenial/) and [18.04](http://releases.ubuntu.com/bionic/) + - Use 20.04 and newer as older versions are untested - [Arch Linux](https://www.archlinux.org/) and Arch-based distros like [Manjaro](https://manjaro.org/) -- openSUSE [Tumbleweed](https://software.opensuse.org/distributions/tumbleweed), [Leap 15.2](https://software.opensuse.org/distributions/leap) - [Fedora 32 to 33](https://getfedora.org/) -- macOS 10.13 to 10.15 +- openSUSE [Tumbleweed](https://software.opensuse.org/distributions/tumbleweed), [Leap 15.2](https://software.opensuse.org/distributions/leap) +- macOS 10.13 to 10.15 (11.x support is unknown) ## Other notes: -- If something in the process does not work for you, try switching USB ports and/or cables (using a USB 2.0 port is recommended) -- This script will verify the IPSW SHA1sum before restoring +- If something in the process does not work for you, try switching USB ports and/or cables (also try using a USB 2.0 port) +- This script will verify the IPSW SHA1 before restoring - For users having issues related to missing libraries or tools, re-install dependencies with `./restore.sh Install` + - Alternatively, delete the `libimobiledevice` or `libirecovery` folder in `resources` then run the script again - For A7 devices: - Do not use USB-C to lightning cables as this can prevent a successful restore - - checkm8 ipwndfu is unfortunately pretty unreliable, you may have to try multiple times (for Linux users I recommend trying in a live USB) + - checkm8 ipwndfu is unfortunately pretty unreliable, you may have to try multiple times (for Linux users, also try in a live USB) - If the script can't find your device in pwnREC mode or gets stuck, you may have to start over - - Other than the above there's not much else I can help regarding entering pwnDFU mode... + - Other than the above, unfortunately there's not much else I can do to help regarding entering pwnDFU mode. - For 32-bit devices: - To devices with baseband, this script will restore your device with the latest baseband (except when jailbreak is enabled, and on iPhone5,1 as there are reported issues) - This script has a workaround for the activation error on devices downgrading from iOS 10 @@ -75,10 +99,11 @@ - As alternatives to kloader/kDFU, checkm8 A5 or ipwndfu can also be used in DFU advanced menu - To enter DFU advanced menu, put your iOS device in DFU mode before running the script - This script can work on virtual machines, but I won't provide support for them -- If you have problems with Cydia, remove the ultrasn0w repo and force-close Cydia, then try opening Cydia again -- For jailbreak option on iOS 8 downgrades: - - Stashing is already enabled and `nosuid` is removed from `fstab`, so no need to install "Stashing for #etasonJB" package +- For jailbreak option: + - If you have problems with Cydia, remove the ultrasn0w repo and close Cydia using the app switcher, then try opening Cydia again - If you can't find Cydia in your home screen, try accessing Cydia through Safari with `cydia://` and install "Jailbreak App Icons Fix" package ([Cydia repo](https://lukezgd.github.io/repo/)) +- For jailbreak option (on iOS 8.4.1 downgrades only): + - Stashing is already enabled and `nosuid` is removed from `fstab`, so no need to install "Stashing for #etasonJB" package - To fix LaunchDaemons not loading on startup, install "Infigo" package ([Cydia repo](https://lukezgd.github.io/repo/)) - Warning: If your device bootloops with EtasonJB, it may not work with the jailbreak option as well! (I think this applies to some but not all [8942](https://www.theiphonewiki.com/wiki/S5L8942)/[8945](https://www.theiphonewiki.com/wiki/S5L8945) users) If this happens, bootloop protection will trigger and you won't be able to open Cydia diff --git a/restore.sh b/restore.sh index 191d74b..a871636 100755 --- a/restore.sh +++ b/restore.sh @@ -190,19 +190,23 @@ function SelectVersion { elif [[ $Mode == 'kDFU' ]]; then Action fi - Selection=("iOS 8.4.1") + if [ $ProductType == iPhone5,3 ] || [ $ProductType == iPhone5,4 ]; then + Selection=() + else + Selection=("iOS 8.4.1") + fi if [ $ProductType == iPad2,1 ] || [ $ProductType == iPad2,2 ] || [ $ProductType == iPad2,3 ] || [ $ProductType == iPhone4,1 ]; then Selection+=("iOS 6.1.3") fi - [[ $Mode == 'Downgrade' ]] && Selection+=("Other") + [[ $Mode == 'Downgrade' ]] && Selection+=("Other (use SHSH blobs)") Selection+=("(Any other key to exit)") Input "Select iOS version:" select opt in "${Selection[@]}"; do case $opt in "iOS 8.4.1" ) OSVer='8.4.1'; BuildVer='12H321'; break;; "iOS 6.1.3" ) OSVer='6.1.3'; BuildVer='10B329'; break;; - "Other" ) OSVer='Other'; break;; + "Other (use SHSH blobs)" ) OSVer='Other'; break;; *) exit;; esac done