diff --git a/skeleton/.tmp_update/runtime.sh b/skeleton/.tmp_update/runtime.sh
new file mode 100644
index 0000000..6895a3e
--- /dev/null
+++ b/skeleton/.tmp_update/runtime.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# install
+if [ -d "/mnt/SDCARD/miyoo354" ]; then
+	rm -rf /tmp/runtime.sh.old
+	mv /mnt/SDCARD/.tmp_update/runtime.sh /tmp/runtime.sh.old
+	exit 0
+fi
+
+# or launch
+LAUNCH_PATH="/mnt/SDCARD/.system/paks/MiniUI.pak/launch.sh"
+if [ -f "$LAUNCH_PATH" ]; then
+	"$LAUNCH_PATH"
+fi
+
+while true; do
+	reboot
+	sleep 10
+done
diff --git a/skeleton/.tmp_update/updater b/skeleton/.tmp_update/updater
index 7d14f8a..6fe0d91 100755
--- a/skeleton/.tmp_update/updater
+++ b/skeleton/.tmp_update/updater
@@ -1,18 +1,2 @@
 #!/bin/sh
-
-# install
-if [ -d "/mnt/SDCARD/miyoo354" ] ; then
-	exit 0
-fi
-
-# or launch
-LAUNCH_PATH="/mnt/SDCARD/.system/paks/MiniUI.pak/launch.sh"
-if [ -f "$LAUNCH_PATH" ] ; then
-	"$LAUNCH_PATH"
-fi
-
-# something went terribly wrong
-while true ; do
-	reboot # under no circumstances should stock be allowed to touch this card
-	sleep 10
-done
+/mnt/SDCARD/.tmp_update/runtime.sh