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An update
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LukeZGD
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@ -4,7 +4,6 @@
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- **iPhone4Down: Downgrade iPhone 4 GSM on Linux/Windows (using powdersn0w)**
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- **Linux, macOS, and Windows** are supported
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- Windows usage is not recommended
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- 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
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- **Read the ["How to Use" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/How-to-Use) for a step-by-step tutorial**
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- **Read the ["Troubleshooting" wiki page](https://github.com/LukeZGD/iOS-OTA-Downgrader/wiki/Troubleshooting) for tips, frequent questions, and troubleshooting**
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@ -73,7 +72,7 @@
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## Supported OS versions/distros
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#### Supported architectures: x86_64, armhf (Linux), arm64
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#### Supported architectures: x86_64, arm64, armhf (Linux)
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- [**Ubuntu**](https://ubuntu.com/) 22.04 and newer, and Ubuntu-based distros like [Linux Mint](https://www.linuxmint.com/)
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- [**Arch Linux**](https://www.archlinux.org/) and Arch-based distros like [EndeavourOS](https://endeavouros.com/)
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@ -22,5 +22,5 @@ C:\msys64\msys2.exe "./restore.sh"
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rem Add the argument at the end of the line above if needed
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rem Examples:
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rem C:\msys64\msys2.exe "./restore.sh" NoDevice
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rem C:\msys64\msys2.exe "./restore.sh" PwnedDevice
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rem C:\msys64\msys2.exe "./restore.sh" --no-device
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rem C:\msys64\msys2.exe "./restore.sh" --entry-device --no-color
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40
restore.sh
40
restore.sh
@ -418,7 +418,8 @@ device_get_info() {
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fi
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device_type=$(echo "$device_type" | cut -c -$ProdCut)
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device_ecid=$((16#$($irecovery -q | grep "ECID" | cut -c 9-))) # converts hex ecid to dec
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device_vers="Unknown"
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device_vers=$(echo "/exit" | $irecovery -s | grep "iBoot-")
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[[ -z $device_vers ]] && device_vers="Unknown"
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;;
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"Normal" )
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@ -447,6 +448,10 @@ device_get_info() {
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device_fw_dir="../resources/firmware/$device_type"
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device_model="$(cat $device_fw_dir/hwmodel)"
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if [[ -z $device_model ]]; then
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print "* Device: $device_type in $device_mode mode"
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print "* iOS Version: $device_vers"
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print "* ECID: $device_ecid"
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echo
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error "Device model not found. Device type ($device_type) is possibly invalid or not supported."
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fi
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@ -717,7 +722,7 @@ device_enter_mode() {
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sendfiles+=("kloaders" "pwnediBSS")
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log "Entering kDFU mode..."
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print "* This may take a while."
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print "* This may take a while, but should not take longer than a minute."
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$scp -P 2222 ${sendfiles[@]} root@127.0.0.1:/tmp
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if [[ $? == 0 ]]; then
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$ssh -p 2222 root@127.0.0.1 "bash /tmp/kloaders" &
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@ -1678,7 +1683,7 @@ ipsw_prepare_32bit() {
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"$dir/hfsplus" Ramdisk.raw extract usr/local/share/restore/options.$device_model.plist
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local RootSize=$($xmlstarlet sel -t -m "plist/dict/key[.='SystemPartitionSize']" -v "following-sibling::integer[1]" options.$device_model.plist)
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echo -e $'<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n<plist version="1.0"><dict>' > $NewPlist
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echo -e "<key>Filename</key><string>$ipsw_type.ipsw</string>" >> $NewPlist
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echo -e "<key>Filename</key><string>$ipsw_path.ipsw</string>" >> $NewPlist
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echo -e "<key>RootFilesystem</key><string>$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image | startswith("RootFS")) | .filename')</string>" >> $NewPlist
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echo -e "<key>RootFilesystemKey</key><string>$(echo "$device_fw_key" | $jq -j '.keys[] | select(.image | startswith("RootFS")) | .key')'</string>" >> $NewPlist
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echo -e "<key>RootFilesystemSize</key><integer>$RootSize</integer>" >> $NewPlist
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@ -1861,11 +1866,20 @@ restore_download_bbsep() {
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mv $build_id.plist ../saved/$device_type
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fi
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cp ../saved/$device_type/$build_id.plist tmp/BuildManifest.plist
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log "Restore Manifest: ../saved/$device_type/$build_id.plist"
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if [[ $? != 0 ]]; then
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rm ../saved/$device_type/$build_id.plist
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error "An error occurred copying manifest. Please run the script again"
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fi
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log "Manifest: ../saved/$device_type/$build_id.plist"
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restore_manifest="tmp/BuildManifest.plist"
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# Baseband
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if [[ $restore_baseband != 0 ]]; then
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if [[ -e ../saved/baseband/$restore_baseband ]]; then
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if [[ $baseband_sha1 != "$($sha1sum $restore_baseband | awk '{print $1}')" ]]; then
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rm ../saved/baseband/$restore_baseband
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fi
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fi
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if [[ ! -e ../saved/baseband/$restore_baseband ]]; then
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log "Downloading $build_id Baseband"
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"$dir/partialzip" "$(cat $device_fw_dir/$build_id/url)" Firmware/$restore_baseband $restore_baseband
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@ -1875,7 +1889,11 @@ restore_download_bbsep() {
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mv $restore_baseband ../saved/baseband/
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fi
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cp ../saved/baseband/$restore_baseband tmp/bbfw.tmp
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log "Restore Baseband: ../saved/baseband/$restore_baseband"
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if [[ $? != 0 ]]; then
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rm ../saved/baseband/$restore_baseband
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error "An error occurred copying baseband. Please run the script again"
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fi
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log "Baseband: ../saved/baseband/$restore_baseband"
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restore_baseband="tmp/bbfw.tmp"
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fi
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@ -1887,9 +1905,13 @@ restore_download_bbsep() {
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"$dir/partialzip" "$(cat $device_fw_dir/$build_id/url)" Firmware/all_flash/$restore_sep.im4p $restore_sep.im4p
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mv $restore_sep.im4p ../saved/$device_type/$restore_sep-$build_id.im4p
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fi
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log "Restore SEP: ../saved/$device_type/$restore_sep-$build_id.im4p"
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restore_sep="$restore_sep-$build_id.im4p"
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cp ../saved/$device_type/$restore_sep .
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if [[ $? != 0 ]]; then
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rm ../saved/$device_type/$restore_sep
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error "An error occurred copying SEP. Please run the script again"
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fi
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log "SEP: ../saved/$device_type/$restore_sep"
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fi
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}
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@ -1943,6 +1965,9 @@ restore_futurerestore() {
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httpserver_pid=$!
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else
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# python3 http.server for the rest
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if [[ -z $(which python3) ]]; then
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error "Python 3 is not installed, cannot continue. Make sure to have python3 installed."
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fi
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$(which python3) -m http.server $port &
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httpserver_pid=$!
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fi
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@ -2185,8 +2210,6 @@ device_ramdisk4() {
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iBSS.n90ap.RELEASE.dfu
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kernelcache.release.n90
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)
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print "Mode: Ramdisk"
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print "* This uses files and script from 4tify by Zurac-Apps"
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print "* Make sure that your device is already in DFU mode"
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@ -2245,6 +2268,7 @@ shsh_save_onboard() {
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pause
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fi
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device_target_other=1
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print "* Download and select the IPSW of your current iOS version."
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ipsw_path_set
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device_enter_mode kDFU
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patch_ibec
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