Add 32-bit SHSH downgrades for Linux ARM, Windows

.github/workflows/build.yml

@@ -46,7 +46,16 @@ jobs:
           chmod +x ./resources/libimobiledevice_linux/*
 
       - name: Zip linux files
-        run: zip -r ${{ github.event.repository.name }}_linux_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip resources/ restore.sh README.md
+        run: zip -r ${{ github.event.repository.name }}_linux_x86_64_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip resources/ restore.sh README.md
+
+      - name: Move linux binaries and other files
+        run: |
+          mv ./resources/lib/* ./exclude/lib
+          mv ./resources/tools/*linux* ./exclude/tools
+          mv ./resources/libimobiledevice_linux ./exclude
+          mv ./resources/firmware/FirmwareBundles ./resources/firmware/JailbreakBundles ./exclude/firmware
+          mkdir ./resources/firmware/FirmwareBundles
+          mv ./exclude/firmware/FirmwareBundles/Down_iPhone3* ./resources/firmware/FirmwareBundles
 
       - name: Download and extract tools_linux_arm
         run: |
@@ -58,12 +67,10 @@ jobs:
 
       - name: Move linux arm binaries and other files
         run: |
-          mv ./resources/lib/* ./exclude/lib
+          mv ./resources/lib/arm ./exclude/lib
           mv ./resources/tools/*linux* ./exclude/tools
-          mv ./resources/libimobiledevice_linux ./exclude
+          mv ./resources/libimobiledevice_linux/* ./exclude/libimobiledevice_linux
-          mv ./resources/firmware/FirmwareBundles ./resources/firmware/JailbreakBundles ./exclude/firmware
+          rm -r ./resources/libimobiledevice_linux
-          mkdir ./resources/firmware/FirmwareBundles
-          mv ./exclude/firmware/FirmwareBundles/Down_iPhone3* ./resources/firmware/FirmwareBundles
 
       - name: Download and extract libimobiledevice_win
         run: |
@@ -97,6 +104,6 @@ jobs:
           files: |
             ${{ github.event.repository.name }}_complete_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_macos_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
-            ${{ github.event.repository.name }}_linux_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_linux_arm_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
+            ${{ github.event.repository.name }}_linux_x86_64_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_win_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip

README.md

@@ -1,20 +1,21 @@
 # iOS-OTA-Downgrader
 
-- **Downgrade/restore and jailbreak supported iOS devices to signed OTA firmwares**
+- **Downgrade/restore and jailbreak supported legacy iOS devices to signed OTA firmwares**
 - **iPhone4Down: Downgrade your iPhone 4 on Linux/Windows (using powdersn0w)**
-- **Linux and macOS** are supported
+- **Linux, macOS, and Windows** are supported
-    - **Partial support for Windows** - usage is not recommended
+    - Windows usage is not recommended
-    - iPhone4Down is focused on Linux only - macOS and Windows are only partially supported
+    - iPhone4Down focuses on Linux support - use [cherryflowerJB](https://web.archive.org/web/20210701000000*/https://dora2ios.web.app/CFJB/) or [powdersn0w](https://dora2ios.web.app/konayuki/index.html) on macOS instead
 - **Read the ["How to Use" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/How-to-Use) for a step-by-step tutorial**
 - **Read the ["Troubleshooting" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/Troubleshooting) for tips, frequent questions, and troubleshooting**
 
 ## Other features
 - iOS 6.1.3 and 8.4.1 downgrades have the option to **jailbreak** the install
-    - For iOS 10.3.3, use [TotallyNotSpyware](https://totally-not.spyware.lol) or [sockH3lix](https://github.com/SongXiaoXi/sockH3lix) to jailbreak
+    - For iOS 10.3.3 downgrades, use [TotallyNotSpyware](https://totally-not.spyware.lol)
-- This script can also restore your device to other iOS versions that you have SHSH blobs for (32-bit devices only, iOS 5 and newer only)
+- This script can also restore your device to other iOS versions that you have SHSH blobs for (32-bit devices only)
 - The latest baseband will always be used for 32-bit devices that have baseband. For iPhone 5C and A7 devices, iOS 10.3.3 baseband will be used
 - This script can also be used to just enter kDFU mode (32-bit devices only)
 - This script can also be used to restore your iPhone 4 back to iOS 7.1.2 with the option to jailbreak the install
+- This script can also be used to restore 32-bit devices to their latest versions
 
 ## Supported devices
 - [Identify your device here](https://ipsw.me/device-finder)
@@ -22,6 +23,7 @@
     - iPhone 5C can still be restored to versions that you have SHSH blobs for
     - iPhone 4 devices also support restoring with SHSH blobs
 - **iPhone4Down supports iPhone 4 GSM and CDMA (iPhone3,1 and iPhone3,3)**
+    - iPhone3,3 support is not tested. Use [powdersn0w](https://dora2ios.web.app/konayuki/index.html) on macOS instead
 
 <table>
     <thead>
@@ -66,7 +68,7 @@
 
 <details>
     <summary>For Pangu 32-bit users:</summary>
-    <ul><li>For 32-bit users using Pangu and normal method, install the latest untether for your iOS version <a href="https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/tag/untether">here</a></li></ul>
+    <ul><li>For 32-bit users using Pangu and jailbroken method, install the latest untether for your iOS version <a href="https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/tag/untether">here</a></li></ul>
 </details>
 
 ## Supported OS versions/distros
@@ -83,7 +85,7 @@
 - cURL
 - bspatch
 - python2 (ipwndfu, rmsigchks, SimpleHTTPServer), python3 (http.server)
-- [powdersn0w](https://github.com/dora2-iOS/powdersn0w_pub) - dora2ios; [LukeZGD fork](https://github.com/LukeZGD/powdersn0w_pub)
+- [powdersn0w_pub](https://github.com/dora2-iOS/powdersn0w_pub) - dora2ios; [LukeZGD fork](https://github.com/LukeZGD/powdersn0w_pub)
 - [ch3rryflower](https://web.archive.org/web/20200708040313/https://github.com/dora2-iOS/ch3rryflower) - dora2ios (used for iOS 4.3.x only)
 - [ipwndfu](https://github.com/LukeZGD/ipwndfu) - LukeZGD fork
 - [iPwnder32](https://github.com/dora2-iOS/iPwnder32) - dora2ios
@@ -93,7 +95,7 @@
 - [tsschecker](https://github.com/tihmstar/tsschecker) - tihmstar; [1Conan fork](https://github.com/1Conan/tsschecker)
 - [futurerestore](https://github.com/futurerestore/futurerestore) - futurerestore beta (and 194)
 - [idevicerestore](https://github.com/libimobiledevice/idevicerestore) - libimobiledevice; [LukeZGD fork](https://github.com/LukeZGD/idevicerestore)
-- [idevicererestore](https://github.com/LukeZGD/daibutsuCFW) from daibutsuCFW (used for Windows OTA restores only)
+- [idevicererestore](https://github.com/LukeZGD/daibutsuCFW) from daibutsuCFW (used on Linux ARM/Windows restores for 32-bit devices)
 - [kloader](https://www.youtube.com/watch?v=fh0tB6fp0Sc)
 - [kloader5 for iOS 5](https://www.pmbonneau.com/cydia/com.pmbonneau.kloader5_1.2_iphoneos-arm.deb)
 - [kloader_hgsp for iOS 10](https://twitter.com/nyan_satan/status/945203180522045440)

resources/depends.sh

@@ -14,8 +14,6 @@ SetToolPaths() {
         cherry="./resources/ch3rryflower/Tools/ubuntu/UNTETHERED"
         futurerestore="./resources/tools/futurerestore_linux"
         python="$(which python3)"
-        xmlstarlet="$(which xmlstarlet)"
-        zenity="$(which zenity)"
 
     elif [[ $OSTYPE == "darwin"* ]]; then
         platform="macos"
@@ -49,7 +47,6 @@ SetToolPaths() {
         ipwnder32="./resources/tools/ipwnder32_macos"
         ipwnder_lite="./resources/tools/ipwnder_macos"
         python="/usr/bin/python"
-        zenity="./resources/tools/zenity_macos"
 
     elif [[ $OSTYPE == "msys" ]]; then
         platform="win"
@@ -61,6 +58,7 @@ SetToolPaths() {
     fi
 
     cherrybin="../$cherry/cherry"
+    hfsplus="../resources/tools/hfsplus_$platform"
     ideviceenterrecovery="$MPath/ideviceenterrecovery"
     ideviceinfo="$MPath/ideviceinfo"
     idevicerestore="./resources/tools/idevicerestore_$platform"
@@ -70,6 +68,7 @@ SetToolPaths() {
     ipwndfu="$python ipwndfu"
     irecoverychk="$MPath/irecovery"
     irecovery="$irecoverychk"
+    jq="./resources/tools/jq_$platform"
     partialzip="./resources/tools/partialzip_$platform"
     ping="ping -c1"
     powdersn0w="../resources/tools/powdersn0w_$platform"
@@ -77,29 +76,40 @@ SetToolPaths() {
     python2="$(which python2 2>/dev/null)"
     rmsigchks="$python rmsigchks.py"
     sha1sum="$(which sha1sum 2>/dev/null)"
+    sha256sum="$(which sha256sum 2>/dev/null)"
     SimpleHTTPServer="$python -m SimpleHTTPServer 8888"
     SSH="-F ./resources/ssh_config"
     SCP="$(which scp) $SSH"
     SSH="$(which ssh) $SSH"
     tsschecker="./resources/tools/tsschecker_$platform"
+    xmlstarlet="./resources/tools/xmlstarlet_$platform"
     xpwntool="../resources/tools/xpwntool_$platform"
+    zenity="./resources/tools/zenity_$platform"
 
     if [[ $platform == "linux" ]]; then
         irecovery="env LD_LIBRARY_PATH=./resources/lib $irecovery"
         opensslver=$(openssl version | awk '{print $2}' | cut -c -3)
         if [[ $opensslver == "3"* ]]; then
             cherrybin="env LD_LIBRARY_PATH=../resources/lib $cherrybin"
+            idevicerestore="env LD_LIBRARY_PATH=../resources/lib $idevicerestore"
         fi
         ipwndfu="$python2 ipwndfu"
+        jq="$(which jq)"
         rmsigchks="$python2 rmsigchks.py"
         SimpleHTTPServer="$python -m http.server 8888"
+        xmlstarlet="$(which xmlstarlet)"
+        zenity="$(which zenity)"
+        #if [[ $(uname -m) == "a"* ]]; then
         if [[ $(uname -m) == "a"* && $(getconf LONG_BIT) != 64 ]]; then
+            LinuxARMType="arm"
             # these still need sudo even with the udev rule for some reason
-            idevicerestore="sudo ${idevicerestore}_arm"
+            futurerestore="${futurerestore}_arm"
-            idevicererestore="sudo ${idevicererestore}_arm"
+            idevicerestore="${idevicerestore}_arm"
+            idevicererestore="${idevicererestore}_arm"
             irecovery="sudo ${irecovery}_arm"
             pwnedDFU="sudo ${pwnedDFU}_arm"
 
+            hfsplus="${hfsplus}_arm"
             ideviceenterrecovery="${ideviceenterrecovery}_arm"
             ideviceinfo="${ideviceinfo}_arm"
             iproxy="${iproxy}_arm"
@@ -109,10 +119,36 @@ SetToolPaths() {
             powdersn0w="${powdersn0w}_arm"
             tsschecker="${tsschecker}_arm"
             xpwntool="${xpwntool}_arm"
+
+            : '
+            if [[ $(getconf LONG_BIT) == 64 ]]; then
+                LinuxARMType="arm64"
+                futurerestore="${futurerestore}64"
+                hfsplus="${hfsplus}64"
+                idevicerestore="${idevicerestore}64"
+                idevicererestore="${idevicererestore}64"
+                irecovery="${irecovery}64"
+                pwnedDFU="${pwnedDFU}64"
+                ideviceenterrecovery="${ideviceenterrecovery}_arm"
+                ideviceinfo="${ideviceinfo}64"
+                iproxy="${iproxy}64"
+                ipsw="${ipsw}64"
+                irecoverychk="${irecoverychk}64"
+                partialzip="${partialzip}64"
+                powdersn0w="${powdersn0w}64"
+                tsschecker="${tsschecker}64"
+                xpwntool="${xpwntool}64"
+            fi
+            '
+
+            futurerestore="sudo LD_LIBRARY_PATH=./resources/lib/$LinuxARMType $futurerestore"
+            idevicerestore="sudo LD_LIBRARY_PATH=./resources/lib/$LinuxARMType $idevicerestore"
+            idevicererestore="sudo LD_LIBRARY_PATH=./resources/lib/$LinuxARMType $idevicererestore"
         fi
 
     elif [[ $platform == "macos" ]]; then
         sha1sum="$(which shasum)"
+        sha256sum="$sha1sum -a 256"
         if (( ${platformver:0:2} > 11 )); then
             # for macOS 12 and newer
             python="/usr/bin/python3"
@@ -205,28 +241,28 @@ InstallDepends() {
     if [[ $ID == "arch" || $ID_LIKE == "arch" || $ID == "artix" ]]; then
         Echo "* Arch Linux repos do not ship python2, which is needed for ipwndfu"
         Echo "* If you need to use ipwndfu, python2 can be installed from the AUR"
-        sudo pacman -Sy --noconfirm --needed base-devel bsdiff curl libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
+        sudo pacman -Sy --noconfirm --needed base-devel bsdiff curl jq libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
 
     elif [[ $ID == "gentoo" || $ID_LIKE == "gentoo" || $ID == "pentoo" ]]; then
         Echo "* Gentoo repos do not ship python2, which is needed for ipwndfu"
         Echo "* If you need to use ipwndfu, python2 can be installed from the official site"
-        sudo emerge -av bsdiff net-misc/curl libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
+        sudo emerge -av bsdiff net-misc/curl jq libimobiledevice openssh python udev unzip usbmuxd usbutils vim xmlstarlet zenity zip
 
     elif [[ -n $UBUNTU_CODENAME && $VERSION_ID == "2"* ]] ||
          (( DebianVer >= 11 )) || [[ $DebianVer == "sid" ]]; then
         [[ -n $UBUNTU_CODENAME ]] && sudo add-apt-repository -y universe
         sudo apt update
-        sudo apt install -y bsdiff curl libimobiledevice6 openssh-client python2 python3 unzip usbmuxd usbutils xmlstarlet xxd zenity zip
+        sudo apt install -y bsdiff curl jq libimobiledevice6 openssh-client python2 python3 unzip usbmuxd usbutils xmlstarlet xxd zenity zip
         sudo systemctl enable --now udev systemd-udevd usbmuxd 2>/dev/null
 
     elif [[ $ID == "fedora" || $ID == "nobara" ]] && (( VERSION_ID >= 36 )); then
         ln -sf /usr/lib64/libbz2.so.1.* ../resources/lib/libbz2.so.1.0
-        sudo dnf install -y bsdiff ca-certificates libimobiledevice openssl python2 python3 systemd udev usbmuxd vim-common xmlstarlet zenity zip
+        sudo dnf install -y bsdiff ca-certificates jq libimobiledevice openssl python2 python3 systemd udev usbmuxd vim-common xmlstarlet zenity zip
         sudo ln -sf /etc/pki/tls/certs/ca-bundle.crt /etc/pki/tls/certs/ca-certificates.crt
 
     elif [[ $ID == "opensuse-tumbleweed" || $PRETTY_NAME == *"Leap 15.4" ]]; then
         [[ $ID == "opensuse-leap" ]] && ln -sf /lib64/libreadline.so.7 ../resources/lib/libreadline.so.8
-        sudo zypper -n in bsdiff curl libimobiledevice-1_0-6 openssl python-base python3 usbmuxd unzip vim xmlstarlet zenity zip
+        sudo zypper -n in bsdiff curl jq libimobiledevice-1_0-6 openssl python-base python3 usbmuxd unzip vim xmlstarlet zenity zip
 
     elif [[ $platform == "macos" ]]; then
         xcode-select --install
@@ -236,10 +272,14 @@ InstallDepends() {
         Echo "* The script will detect this automatically and will use the Homebrew/MacPorts versions of the tools"
 
     elif [[ $platform == "win" ]]; then
+        cd ..
+        rm -r tmp
         pacman -Syu --noconfirm --needed ca-certificates curl libcurl openssh unzip zip
+        mkdir tmp
+        cd tmp
         libimobiledevice=("https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/libimobiledevice_win.zip" "75ae3af3347b89107f0f6b7e41fde42e6ccdd404")
         if [[ ! $(ls ../resources/tools/*win*) ]]; then
-            SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_win.zip tools_win.zip 4436d23034e9bec1b855aabb69ae0013fec5e2cb
+            SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_win.zip tools_win.zip fcaa14e420885c7a0e854aad3119e8a29362813b
             Log "Extracting Windows tools..."
             unzip -oq tools_win.zip -d ../resources
         fi
@@ -269,9 +309,12 @@ InstallDepends() {
     fi
 
     if [[ $platform == "linux" && $(uname -m) == "a"* && ! $(ls ../resources/tools/*linux_arm*) ]]; then
-        SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_linux_arm.zip tools_linux_arm.zip b95b2bc1589ff1fe1e16ab7ac43e9d88d9880296
+        SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_linux_arm.zip tools_linux_arm.zip 59c16f684310bde75e12d4719bb918d448d47630
         Log "Extracting Linux ARM tools..."
         unzip -oq tools_linux_arm.zip -d ../resources
+        #SaveFile https://github.com/LukeZGD/iOS-OTA-Downgrader-Keys/releases/download/tools/tools_linux_arm64.zip tools_linux_arm64.zip b95b2bc1589ff1fe1e16ab7ac43e9d88d9880296
+        #Log "Extracting Linux ARM64 tools..."
+        #unzip -oq tools_linux_arm64.zip -d ../resources
     fi
 
     touch ../resources/first_run

resources/downgrade.sh

@@ -83,20 +83,25 @@ DowngradeOther() {
 
     Input "Select your IPSW file in the file selection window."
     IPSW="$($zenity --file-selection --file-filter='IPSW | *.ipsw' --title="Select IPSW file")"
+    [[ ! -s "$IPSW" ]] && read -p "$(Input 'Enter path to IPSW file:')" IPSW
     [[ ! -s "$IPSW" ]] && Error "No IPSW selected, or IPSW file not found."
     IPSW="${IPSW%?????}"
     Log "Selected IPSW file: $IPSW.ipsw"
     Input "Select your SHSH file in the file selection window."
     SHSH="$($zenity --file-selection --file-filter='SHSH | *.shsh *.shsh2' --title="Select SHSH file")"
+    [[ ! -s "$SHSH" ]] && read -p "$(Input 'Enter path to SHSH file:')" SHSH
     [[ ! -s "$SHSH" ]] && Error "No SHSH selected, or SHSH file not found."
     Log "Selected SHSH file: $SHSH"
 
-    Log "Getting build version from IPSW"
+    Log "Getting version from IPSW"
     unzip -o -j "$IPSW.ipsw" Restore.plist -d tmp
     if [[ $platform == "macos" ]]; then
+        plutil -extract 'ProductVersion' xml1 tmp/Restore.plist -o tmp/OSVer
+        OSVer=$(cat tmp/OSVer | sed -ne '/<string>/,/<\/string>/p' | sed -e "s/<string>//" | sed "s/<\/string>//" | sed '2d')
         plutil -extract 'ProductBuildVersion' xml1 tmp/Restore.plist -o tmp/BuildVer
         BuildVer=$(cat tmp/BuildVer | sed -ne '/<string>/,/<\/string>/p' | sed -e "s/<string>//" | sed "s/<\/string>//" | sed '2d')
     else
+        OSVer=$(cat tmp/Restore.plist | grep -i ProductVersion -A 1 | grep -oPm1 "(?<=<string>)[^<]+")
         BuildVer=$(cat tmp/Restore.plist | grep -i ProductBuildVersion -A 1 | grep -oPm1 "(?<=<string>)[^<]+")
     fi
 
@@ -128,6 +133,15 @@ DowngradeOther() {
     fi
 
     kDFU
+    if [[ $(echo $BuildVer | cut -c 1) == 8 ]]; then
+        IPSWSetExtract
+        iDeviceRestore latest
+    elif [[ $platform == "win" || $LinuxARM == 1 ]]; then
+        IPSW32Other
+        IPSWSetExtract
+        iDeviceRestore
+        return
+    fi
     IPSWSetExtract
     FutureRestore
 }
@@ -135,7 +149,7 @@ DowngradeOther() {
 
 iDeviceRestore() {
     mkdir shsh
-    cp $SHSH shsh/${UniqueChipID}-${ProductType}-${OSVer}.shsh
+    cp "$SHSH" shsh/${UniqueChipID}-${ProductType}-${OSVer}.shsh 2>/dev/null
     Log "Proceeding to idevicerestore..."
     ExtraArgs="-e -w"
     if [[ $1 == "latest" ]]; then
@@ -258,12 +272,12 @@ Downgrade() {
         IPSWCustomA7
     fi
 
-    if [[ $platform == "win" || $LinuxARM == 1 || $IPSWA7 == 1 ]]; then
+    if [[ $OSVer == "Other" ]]; then
-        DowngradeOTAWin
-        return
-    elif [[ $OSVer == "Other" ]]; then
         DowngradeOther
         return
+    elif [[ $platform == "win" || $LinuxARM == 1 || $IPSWA7 == 1 ]]; then
+        DowngradeOTAWin
+        return
     fi
     DowngradeOTA
 }
@@ -292,11 +306,7 @@ RestoreLatest() {
     elif [[ $DeviceProc == 6 && $ProductType == "iPad3"* ]]; then
         IPSWType="iPad_32bit"
     fi
-    IPSWA7=1
-    SendiBSS=1
     IPSWFindVerify
     IPSWSetExtract
-    Recovery only
+    iDeviceRestore latest
-    SaveLatestBlobs
-    FutureRestore latest
 }

resources/firmware/powdersn0wBundles/config2.plist

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>FilesystemJailbreak</key>
+	<false/>
+	<key>needPref</key>
+	<false/>
+	<key>iBootPatches</key>
+	<dict>
+		<key>debugEnabled</key>
+		<false/>
+		<key>bootArgsInjection</key>
+		<false/>
+		<key>bootArgsString</key>
+		<string>-v</string>
+	</dict>
+</dict>
+</plist>

resources/ipsw.sh

@@ -488,3 +488,173 @@ IPSW64() {
         Error "Failed to find custom IPSW. Please run the script again"
     fi
 }
+
+IPSW32Other() {
+    local BBUpdate="-bbupdate"
+    IPSWCustom="${IPSWType}_${OSVer}_${BuildVer}_CustomW"
+    if [[ -e $IPSWCustom.ipsw ]]; then
+        Log "Found existing Custom IPSW. Skipping IPSW creation."
+        return
+    fi
+
+    if [[ $platform != "win" ]]; then
+        Input "Memory Option for creating custom IPSW"
+        Echo "* This option makes creating the custom IPSW faster, but it requires at least 8GB of RAM."
+        Echo "* If you do not have enough RAM, disable this option and make sure that you have enough storage space."
+        Echo "* This option is enabled by default (Y)."
+        read -p "$(Input 'Enable this option? (Y/n):')" JBMemory
+        if [[ $JBMemory == 'N' || $JBMemory == 'n' ]]; then
+            Log "Memory option disabled by user."
+            JBMemory=
+        else
+            Log "Memory option enabled."
+            JBMemory="-memory"
+        fi
+        echo
+    fi
+
+    if [[ $ProductType == "$DisableBBUpdate" ]]; then
+        BBUpdate=
+        Log "Baseband update will be disabled for the custom IPSW."
+        if [[ $ProductType != "iPad2,3" ]]; then
+            Log "WARNING - With baseband update disabled, activation errors might occur."
+            Echo "* If you do not have other means for activation, this is not recommended."
+            Input "Press Enter/Return to continue anyway (or press Ctrl+C to cancel)"
+            read -s
+        fi
+        Baseband=0
+        IPSWCustom+="B"
+    fi
+
+    Log "Generating firmware bundle..."
+    local IPSWSHA256=$($sha256sum "$IPSW.ipsw")
+    [[ $platform == "win" ]] && IPSWSHA256=$(echo $IPSWSHA256 | cut -c 2-)
+    local FirmwareBundle=FirmwareBundles/${IPSWType}_${OSVer}_${BuildVer}.bundle
+    local NewPlist=tmp/$FirmwareBundle/Info.plist
+
+    mkdir -p tmp/$FirmwareBundle
+    cp resources/firmware/powdersn0wBundles/config2.plist tmp/FirmwareBundles/config.plist
+    unzip -j "$IPSW.ipsw" Firmware/all_flash/all_flash.${HWModel}ap.production/manifest
+    mv manifest tmp/$FirmwareBundle/
+
+    local FWKey=$(cat $FWKeys/index.html)
+    local RamdiskName=$(echo $FWKey | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .filename')
+    local RamdiskIV=$(echo $FWKey | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .iv')
+    local RamdiskKey=$(echo $FWKey | $jq -j '.keys[] | select(.image | startswith("RestoreRamdisk")) | .key')
+    cd tmp
+    unzip -j "$IPSW.ipsw" $RamdiskName
+    $xpwntool $RamdiskName Ramdisk.dec -iv $RamdiskIV -k $RamdiskKey -decrypt
+    $xpwntool Ramdisk.dec Ramdisk.raw
+    $hfsplus Ramdisk.raw extract usr/local/share/restore/options.$HWModel.plist
+    cd ..
+    local RootSize=$($xmlstarlet sel -t -m "plist/dict/key[.='SystemPartitionSize']" -v "following-sibling::integer[1]" tmp/options.$HWModel.plist)
+
+    printf '<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>Filename</key>
+	<string>'>$NewPlist;printf "$IPSW.ipsw">>$NewPlist;printf '</string>
+	<key>RootFilesystem</key>
+	<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("RootFS")) | .filename'>>$NewPlist;printf '</string>
+	<key>RootFilesystemKey</key>
+	<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("RootFS")) | .key'>>$NewPlist;printf '</string>
+	<key>RootFilesystemSize</key>
+	<integer>'>>$NewPlist;printf $RootSize>>$NewPlist;printf '</integer>
+	<key>RamdiskOptionsPath</key>
+	<string>/usr/local/share/restore/options.'>>$NewPlist;printf $HWModel>>$NewPlist;printf '.plist</string>
+	<key>SHA256</key>
+	<string>'>>$NewPlist;printf $IPSWSHA256>>$NewPlist;printf '</string>
+	<key>FilesystemPackage</key>
+	<dict/>
+	<key>RamdiskPackage</key>
+	<dict/>
+	<key>Firmware</key>
+	<dict>
+		<key>iBSS</key>
+		<dict>
+			<key>File</key>
+			<string>Firmware/dfu/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBSS")) | .filename'>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBSS")) | .iv'>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBSS")) | .key'>>$NewPlist;printf '</string>
+			<key>Decrypt</key>
+			<true/>
+			<key>Patch</key>
+			<true/>
+		</dict>
+		<key>iBEC</key>
+		<dict>
+			<key>File</key>
+			<string>Firmware/dfu/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .filename'>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .iv'>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("iBEC")) | .key'>>$NewPlist;printf '</string>
+			<key>Decrypt</key>
+			<true/>
+			<key>Patch</key>
+			<true/>
+		</dict>
+		<key>Restore Ramdisk</key>
+		<dict>
+			<key>File</key>
+			<string>'>>$NewPlist;printf $RamdiskName>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;printf $RamdiskIV>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;printf $RamdiskKey>>$NewPlist;printf '</string>
+			<key>Decrypt</key>
+			<true/>
+		</dict>
+		<key>RestoreDeviceTree</key>
+		<dict>
+			<key>File</key>
+			<string>Firmware/all_flash/all_flash.'>>$NewPlist;printf $HWModel>>$NewPlist;printf 'ap.production/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("DeviceTree")) | .filename'>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("DeviceTree")) | .iv'>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("DeviceTree")) | .key'>>$NewPlist;printf '</string>
+			<key>DecryptPath</key>
+			<string>Downgrade/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("DeviceTree")) | .filename'>>$NewPlist;printf '</string>
+		</dict>
+		<key>RestoreLogo</key>
+		<dict>
+			<key>File</key>
+			<string>Firmware/all_flash/all_flash.'>>$NewPlist;printf $HWModel>>$NewPlist;printf 'ap.production/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("AppleLogo")) | .filename'>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("AppleLogo")) | .iv'>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("AppleLogo")) | .key'>>$NewPlist;printf '</string>
+			<key>DecryptPath</key>
+			<string>Downgrade/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("AppleLogo")) | .filename'>>$NewPlist;printf '</string>
+		</dict>
+		<key>RestoreKernelCache</key>
+		<dict>
+            <key>File</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("Kernelcache")) | .filename'>>$NewPlist;printf '</string>
+			<key>IV</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("Kernelcache")) | .iv'>>$NewPlist;printf '</string>
+			<key>Key</key>
+			<string>'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("Kernelcache")) | .key'>>$NewPlist;printf '</string>
+			<key>DecryptPath</key>
+			<string>Downgrade/'>>$NewPlist;echo $FWKey | $jq -j '.keys[] | select(.image | startswith("Kernelcache")) | .filename'>>$NewPlist;printf '</string>
+			<key>Decrypt</key>
+			<true/>
+			<key>Patch</key>
+			<false/>
+        </dict>
+	</dict>
+</dict>
+</plist>\n'>>$NewPlist
+    cat $NewPlist
+
+    Log "Preparing custom IPSW..."
+    cd tmp
+    $powdersn0w "$IPSW.ipsw" ../$IPSWCustom.ipsw $BBUpdate $JBMemory
+    cd ..
+    if [[ ! -e $IPSWCustom.ipsw ]]; then
+        Error "Failed to find custom IPSW. Please run the script again"
+    fi
+}

restore.sh

@@ -144,7 +144,6 @@ Main() {
         Echo "* Note that only 32-bit (armhf) is compiled natively for now. For 64-bit, box64 might work."
         if [[ $(getconf LONG_BIT) != 64 ]]; then
             LinuxARM=1
-            Echo "* 32-bit Linux ARM support is also very limited."
         fi
 
     elif [[ $(uname -m) != "x86_64" ]]; then
@@ -177,7 +176,7 @@ Main() {
         if [[ $DeviceProc != 7 ]]; then
             Selection+=("Create Custom IPSW")
             [[ $DeviceState == "Normal" ]] && Selection+=("Put Device in kDFU Mode")
-            [[ $DeviceProc != 4 && $platform != "win" && $LinuxARM != 1 ]] && Selection+=("Restore to latest iOS")
+            [[ $DeviceProc != 4 ]] && Selection+=("Restore to latest iOS")
         fi
 
         Selection+=("(Re-)Install Dependencies" "(Any other key to exit)")
@@ -239,9 +238,7 @@ Main() {
         ExitWin 0
     fi
 
-    if [[ $DeviceProc == 7 && $LinuxARM == 1 ]]; then
+    if [[ $DeviceProc == 7 && $platform == "win" ]]; then
-        Error "Restoring A7 devices is not supported on Linux ARM 32-bit."
-    elif [[ $DeviceProc == 7 && $platform == "win" ]]; then
         local Message="If you want to restore your A7 device on Windows, put the device in pwnDFU mode."
         if [[ $DeviceState == "Normal" ]]; then
             Error "$Message"
@@ -389,7 +386,7 @@ SelectVersion() {
         fi
     fi
 
-    if [[ $platform != "win" && $LinuxARM != 1 && $Mode == "Downgrade"* ]]; then
+    if [[ $Mode == "Downgrade"* ]]; then
         Selection+=("Other (use SHSH blobs)")
     fi
     Selection+=("(Any other key to exit)")