Add linux arm bins and other updates

.github/workflows/build.yml

@@ -41,6 +41,14 @@ jobs:
       - name: Move linux binaries and other files
         run: |
           rm -r ./bin/linux/x86_64 ./resources/lib/*
+          cp -R ./exclude/bin/linux/arm ./bin/linux
+
+      - name: Zip linux arm files
+        run: zip -r ${{ github.event.repository.name }}_linux_arm_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip bin/ LICENSE resources/ restore.sh README.md
+
+      - name: Move linux arm binaries and other files
+        run: |
+          rm -r ./bin/linux
           cp -R ./exclude/bin/windows ./bin
 
       - name: Zip win files
@@ -64,5 +72,6 @@ jobs:
           files: |
             ${{ github.event.repository.name }}_complete_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_macos_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
+            ${{ github.event.repository.name }}_linux_arm_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_linux_x86_64_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip
             ${{ github.event.repository.name }}_windows_${{ env.DATE }}-${{ env.SHA_SHORT }}.zip

README.md

@@ -1,29 +1,30 @@
 # iOS-OTA-Downgrader
 
 - **A multi-purpose script to downgrade/restore and jailbreak supported legacy iOS devices**
-- **iPhone4Down: Downgrade your iPhone 4 on Linux/Windows (using powdersn0w)**
+- **iPhone4Down: Downgrade iPhone 4 GSM on Linux/Windows (using powdersn0w)**
 - **Linux, macOS, and Windows** are supported
     - Windows usage is not recommended
-    - iPhone4Down focuses on Linux support - use [cherryflowerJB](https://web.archive.org/web/20210322151509/https://dora2ios.web.app/CFJB/) or [powdersn0w](https://web.archive.org/web/20221213010446/https://dora2ios.web.app/konayuki/index.html) on macOS instead
+    - iPhone4Down focuses on Linux support only - use [cherryflowerJB](https://web.archive.org/web/20210322151509/https://dora2ios.web.app/CFJB/) or [powdersn0w](https://web.archive.org/web/20221213010446/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
+- Option to **jailbreak** iOS 6.1.3 and 8.4.1 downgrades
     - 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/A7/A8 devices, iOS 5 to 12)
+- Restore to other iOS versions with SHSH blobs (32-bit/A7/A8 devices, iOS 5 to 12)
-- 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
+- The latest baseband will be used for 32-bit devices if applicable
-- This script can also be used to enter kDFU mode for 32-bit devices
+- Place device to pwned iBSS/kDFU mode for 32-bit devices
-- This script can also be used to restore your iPhone 4 back to iOS 7.1.2 with the option to jailbreak the install
+- Clear NVRAM for iPhone 4 GSM (Disable/Enable Exploit)
-- This script can also be used to restore supported devices to their latest versions
+- Restore iPhone 4 to iOS 7.1.2 with the option to jailbreak
-- This script can also be used to save on-board SHSH blobs for 32-bit devices
+- Restore supported devices to their latest iOS version
+- Save on-board SHSH blobs for 32-bit devices
 
 ## Supported devices
 - [Identify your device here](https://ipsw.me/device-finder)
-- **iPhone 5C and iPad mini 3 devices are NOT supported!**
+- **iPhone 5C and iPad mini 3 devices are NOT supported by OTA downgrades**
-    - iPhone 5C can still be restored to versions that you have SHSH blobs for
+    - These devices still support restoring to other iOS versions with SHSH blobs
-    - iPhone 4 devices also support restoring with SHSH blobs
+- **iPhone4Down (downgrading without blobs) supports iPhone 4 GSM only (iPhone3,1)**
-- **iPhone4Down supports iPhone 4 GSM only (iPhone3,1)**
+    - All iPhone 4 models still support restoring with SHSH blobs and to iOS 7.1.2
 
 <table>
     <thead>
@@ -71,6 +72,9 @@
 </details>
 
 ## Supported OS versions/distros
+
+#### Supported architectures: x86_64, armhf (Linux), arm64
+
 - [**Ubuntu**](https://ubuntu.com/) 22.04 and newer, and Ubuntu-based distros like [Linux Mint](https://www.linuxmint.com/)
 - [**Arch Linux**](https://www.archlinux.org/) and Arch-based distros like [EndeavourOS](https://endeavouros.com/)
 - [**Fedora**](https://getfedora.org/) 36 and newer

restore.sh

@@ -134,18 +134,17 @@ set_tool_paths() {
         xmlstarlet="$(which xmlstarlet)"
         zenity="$(which zenity)"
 
-        if [[ -e ../resources/sudoloop && $device_argmode != "sudoloop" ]]; then
+        if [[ -e ../resources/sudoloop && $device_sudoloop != 1 ]]; then
             local opt
             log "Previous run failed to detect iOS device."
             print "* You may enable sudoloop mode, which will run some tools as root."
             read -p "$(input 'Enable sudoloop mode? (y/N) ')" opt
             if [[ $opt == 'Y' || $opt == 'y' ]]; then
-                device_argmode="sudoloop"
+                device_sudoloop=1
             fi
-            rm ../resources/sudoloop
         fi
 
-        if [[ $(uname -m) == "a"* || $device_argmode == "sudoloop" || $(id -u $USER) == 999 ]]; then
+        if [[ $(uname -m) == "a"* || $device_sudoloop == 1 || $(id -u $USER) == 999 ]]; then
             print "* Enter your user password when prompted"
             sudo -v
             (while true; do sudo -v; sleep 60; done) &
@@ -218,6 +217,7 @@ set_tool_paths() {
         error "Your platform ($OSTYPE) is not supported." "* Supported platforms: Linux, macOS, Windows"
     fi
     log "Running on platform: $platform ($platform_ver)"
+    rm ../resources/sudoloop 2>/dev/null
 
     # common
     if [[ $platform != "macos" ]]; then
@@ -604,7 +604,8 @@ device_find_mode() {
 
     if [[ $device_in != 1 ]]; then
         if [[ $timeout != 1 ]]; then
-            error "Failed to find device in $1 mode (Timed out)."
+            touch ../resources/sudoloop
+            error "Failed to find device in $1 mode (Timed out). Please run the script again."
         fi
         return 1
     fi
@@ -1010,7 +1011,7 @@ download_file() {
     local sha1=$($sha1sum $2 | awk '{print $1}')
     if [[ $sha1 != "$3" ]]; then
         error "Verifying $filename failed. The downloaded file may be corrupted or incomplete. Please run the script again" \
-        "SHA1sum mismatch. Expected $3, got $sha1"
+        "* SHA1sum mismatch. Expected $3, got $sha1"
     fi
 }
 
@@ -1390,7 +1391,7 @@ shsh_save() {
         log "Successfully saved $version blobs: $shsh_path"
     else
         error "Saving $version blobs failed. Please run the script again" \
-        "It is also possible that $version for $device_type is no longer signed"
+        "* It is also possible that $version for $device_type is no longer signed"
     fi
 }
 
@@ -1460,6 +1461,8 @@ ipsw_prepare_1033() {
         mv $iBECb.im4p $iBECb.orig
         $bspatch $iBSSb.orig $iBSSb.im4p ../resources/patch/$iBSSb.patch
         $bspatch $iBECb.orig $iBECb.im4p ../resources/patch/$iBECb.patch
+    fi
+    if [[ $device_type == "iPad4,4" || $device_type == "iPad4,5" ]]; then
         cp $iBSSb.im4p $iBECb.im4p ../saved/$device_type
     else
         cp $iBSS.im4p $iBEC.im4p ../saved/$device_type
@@ -1692,7 +1695,7 @@ ipsw_prepare_powder() {
 
     if [[ ! -e "$ipsw_custom.ipsw" ]]; then
         error "Failed to find custom IPSW. Please run the script again" \
-        "You may try selecting N for memory option"
+        "* You may try selecting N for memory option"
     fi
 }
 
@@ -1769,7 +1772,7 @@ ipsw_prepare_cherry() {
 
     if [[ ! -e "$ipsw_custom.ipsw" ]]; then
         error "Failed to find custom IPSW. Please run the script again" \
-        "You may try selecting N for memory option"
+        "* You may try selecting N for memory option"
     fi
 
     log "iOS 4 Fix" # From ios4fix
@@ -2353,7 +2356,7 @@ for i in "$@"; do
         "--ipsw-verbose" ) ipsw_verbose=1;;
         "--jailbreak" ) ipsw_jailbreak=1;;
         "--memory" ) ipsw_memory=1;;
-        "--sudoloop" ) device_argmode="sudoloop";;
+        "--sudoloop" ) device_sudoloop=1;;
     esac
 done