diff --git a/prebuilt/common/bin/backuptool.sh b/prebuilt/common/bin/backuptool.sh
new file mode 100755
index 0000000..2c47ec5
--- /dev/null
+++ b/prebuilt/common/bin/backuptool.sh
@@ -0,0 +1,148 @@
+#!/sbin/sh
+#
+# Backup and restore proprietary Android system files
+#
+
+C=/tmp/backupdir
+S=/system
+V=CyanogenMod-6
+
+PROCEED=1;
+
+check_prereq() {
+   if ( ! grep -q "^ro.modversion=.*$V.*" /system/build.prop );
+   then
+      echo "Not backing up files from incompatible version.";
+      PROCEED=0;
+   fi
+}
+
+check_installscript() {
+   if [ -f "/tmp/.installscript" ];
+   then
+      echo "/tmp/.installscript found. Skipping backuptool."
+      PROCEED=0;
+   fi
+}
+
+get_files() {
+    cat <<EOF
+app/CarHomeGoogle.apk
+app/CarHomeLauncher.apk
+app/com.amazon.mp3.apk
+app/com.google.android.apps.maps-1.apk
+app/Facebook.apk
+app/GenieWidget.apk
+app/Gmail.apk
+app/GoogleBackupTransport.apk
+app/GoogleCalendarSyncAdapter.apk
+app/GoogleContactsSyncAdapter.apk
+app/GoogleFeedback.apk
+app/GoogleGoggles.apk
+app/GooglePartnerSetup.apk
+app/GoogleQuickSearchBox.apk
+app/GoogleServicesFramework.apk
+app/googlevoice.apk
+app/HtcCopyright.apk
+app/HtcEmailPolicy.apk
+app/HtcSettings.apk
+app/kickback.apk
+app/LatinImeGoogle.apk
+app/LatinImeTutorial.apk
+app/MarketUpdater.apk
+app/MediaUploader.apk
+app/NetworkLocation.apk
+app/OneTimeInitializer.apk
+app/PassionQuickOffice.apk
+app/SetupWizard.apk
+app/soundback.apk
+app/Street.apk
+app/Talk.apk
+app/talkback.apk
+app/Twitter.apk
+app/Vending.apk
+app/VoiceSearch.apk
+app/YouTube.apk
+etc/permissions/com.google.android.maps.xml
+framework/com.google.android.maps.jar
+lib/libinterstitial.so
+lib/libspeech.so
+EOF
+}
+
+backup_file() {
+   if [ -e "$1" ];
+   then
+      if [ -n "$2" ];
+      then
+         echo "$2  $1" | md5sum -c -
+         if [ $? -ne 0 ];
+         then
+            echo "MD5Sum check for $1 failed!";
+            exit $?;
+         fi
+      fi
+      
+      local F=`basename $1`
+      
+      # dont backup any apps that have odex files, they are useless
+      if ( echo $F | grep -q "\.apk$" ) && [ -e `echo $1 | sed -e 's/\.apk$/\.odex/'` ];
+      then
+         echo "Skipping odexed apk $1";
+      else
+         cp $1 $C/$F
+      fi
+   fi
+}
+
+restore_file() {
+   local FILE=`basename $1`
+   local DIR=`dirname $1`
+   if [ -e "$C/$FILE" ];
+   then
+      if [ ! -d "$DIR" ];
+      then
+         mkdir -p $DIR;
+      fi
+      cp -p $C/$FILE $1;
+      if [ -n "$2" ];
+      then
+         rm $2;
+      fi
+   fi
+}
+
+check_installscript;
+
+case "$1" in
+   backup)
+      mount $S
+      check_prereq;
+      if [ $PROCEED -ne 0 ];
+      then
+         rm -rf $C
+         mkdir -p $C
+         get_files | while read FILE REPLACEMENT; do
+            backup_file $S/$FILE
+         done
+      fi
+      umount $S
+   ;;
+   restore)
+      check_prereq;
+      if [ $PROCEED -ne 0 ];
+      then
+         get_files | while read FILE REPLACEMENT; do
+            R=""
+            [ -n "$REPLACEMENT" ] && R="$S/$REPLACEMENT"
+            restore_file $S/$FILE $R
+         done
+         rm -rf $C
+      fi
+   ;;
+   *)
+      echo "Usage: $0 {backup|restore}"
+      exit 1
+esac
+
+exit 0