diff --git a/utils/ypr0tools/README b/utils/ypr0tools/README
index 45777dd8c5..c517eec037 100644
--- a/utils/ypr0tools/README
+++ b/utils/ypr0tools/README
@@ -10,3 +10,6 @@ After that, R0.ROM is patched and can load Rockbox.
 
 rockbox.sh is a script to put into rockbox.zip. It's a small loader script
 that sets stuff up.
+
+files/lib/modules/si4709.ko is a replacement kernel module for fm radio support,
+its source code is packaged in ./si4709.7z.
diff --git a/utils/ypr0tools/files/lib/modules/si4709.ko b/utils/ypr0tools/files/lib/modules/si4709.ko
new file mode 100755
index 0000000000..e2990d2b2d
Binary files /dev/null and b/utils/ypr0tools/files/lib/modules/si4709.ko differ
diff --git a/utils/ypr0tools/rockbox.sh b/utils/ypr0tools/rockbox.sh
index 665ee9f97c..85e1b43533 100755
--- a/utils/ypr0tools/rockbox.sh
+++ b/utils/ypr0tools/rockbox.sh
@@ -1,4 +1,3 @@
-#!/bin/sh
 ######################################################################
 #             __________               __   ___.
 #   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
@@ -44,6 +43,13 @@ echo "95" > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold
 mount --bind /mnt/media0/.rockbox /.rockbox
 mount --bind /mnt/media0/Playlists /Playlists
 
+# replace Samsung's si470x.ko with our si4709.ko to support fm radio
+if [ -e /lib/modules/si4709.ko ]
+then
+  rmmod /lib/modules/si470x.ko
+  insmod /lib/modules/si4709.ko
+fi
+
 MAINFILE="/mnt/media0/.rockbox/rockbox"
 MAINFILE_ARGV=''
 MAINFILE_REDIRECT='>/dev/null 2>&1'
diff --git a/utils/ypr0tools/si4709.7z b/utils/ypr0tools/si4709.7z
new file mode 100644
index 0000000000..5f500262ae
Binary files /dev/null and b/utils/ypr0tools/si4709.7z differ