diff --git a/releasetools/bootloader.sh b/releasetools/bootloader.sh
new file mode 100755
index 0000000..b91717c
--- /dev/null
+++ b/releasetools/bootloader.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# Copyright (C) 2012 the cmhtcleo team
+#
+
+echo "updater-script: making compatible update script"
+cd $REPACK/ota/META-INF/com/google/android
+
+cat updater-script >> temp
+rm -rf updater-script
+grep -vw "unmount" temp > updater-script
+rm -rf temp
+
+echo 'package_extract_file("checksys.sh","/tmp/checksys.sh");' >> updater-script
+echo 'set_perm(0, 0, 755, "/tmp/checksys.sh");' >> updater-script
+echo 'run_program("/tmp/checksys.sh");' >> updater-script
+echo 'if file_getprop("/tmp/nfo.prop","clk") == "true" then' >> updater-script
+echo '  ui_print("cLK detected, using ppp for data connections");' >> updater-script
+echo 'else' >> updater-script
+echo '  ui_print("MAGLDR detected, using rmnet for data connections");' >> updater-script
+echo '  delete("/system/ppp");' >> updater-script
+echo 'endif;' >> updater-script
+echo 'unmount("/system");' >> updater-script
+
+echo "updater-script: copying checksys.sh"
+cp $ANDROID_BUILD_TOP/device/htc/leo/releasetools/checksys.sh $REPACK/ota
diff --git a/releasetools/checksys.sh b/releasetools/checksys.sh
new file mode 100755
index 0000000..7a7da4d
--- /dev/null
+++ b/releasetools/checksys.sh
@@ -0,0 +1,11 @@
+#!/sbin/sh
+# checksys.sh
+
+output=`grep -i "clk" /proc/cmdline`
+
+if [ -n "$output" ]
+then
+  echo "clk=true" > /tmp/nfo.prop
+else
+  echo "clk=null" > /tmp/nfo.prop
+fi
\ No newline at end of file
diff --git a/releasetools/squisher b/releasetools/squisher
index 59f9e74..f1c12a7 100755
--- a/releasetools/squisher
+++ b/releasetools/squisher
@@ -145,6 +145,9 @@ $SED -i \
 	-e '/ro\.build\.type/s/eng/user/' \
 	$REPACK/ota/system/build.prop
 
+# include bootloader script for leo
+. $ANDROID_BUILD_TOP/device/htc/leo/releasetools/bootloader.sh
+
 # Delete unnecessary binaries
 ( cd $REPACK/ota/system/bin; echo $DELETE_BINS | xargs rm -f; )