diff --git a/duoqin/files/mtk-kpd.kcm b/duoqin/files/mtk-kpd.kcm
index 6eb09b4..d24be63 100644
--- a/duoqin/files/mtk-kpd.kcm
+++ b/duoqin/files/mtk-kpd.kcm
@@ -18,25 +18,25 @@ key BUTTON_Z {
     ctrl:                               fallback MUTE
 }
 
-#key BUTTON_0 {
-#    base:                               fallback DPAD_UP
-#    alt, meta:                          fallback VOLUME_UP
-#}
+key BUTTON_2 {
+    base:                               fallback DPAD_UP
+    alt, meta:                          fallback VOLUME_UP
+}
 
-#key BUTTON_1 {
-#    base:                               fallback DPAD_LEFT
-#    alt, meta:                          fallback BRIGHTNESS_DOWN
-#}
+key BUTTON_2 {
+    base:                               fallback DPAD_LEFT
+    alt, meta:                          fallback BRIGHTNESS_DOWN
+}
 
-#key BUTTON_2 {
-#    base:                               fallback DPAD_RIGHT
-#    alt, meta:                          fallback BRIGHTNESS_UP
-#}
+key BUTTON_3 {
+    base:                               fallback DPAD_RIGHT
+    alt, meta:                          fallback BRIGHTNESS_UP
+}
 
-#key BUTTON_3 {
-#    base:                               fallback DPAD_DOWN
-#    alt, meta:                          fallback VOLUME_DOWN
-#}
+key BUTTON_4 {
+    base:                               fallback DPAD_DOWN
+    alt, meta:                          fallback VOLUME_DOWN
+}
 
 key 0 {
     label:                              '0'