diff --git a/board/czechlight/clearfog/usb-reflash-factory.sh b/board/czechlight/clearfog/usb-reflash-factory.sh
index 7e5feef..6cde550 100644
--- a/board/czechlight/clearfog/usb-reflash-factory.sh
+++ b/board/czechlight/clearfog/usb-reflash-factory.sh
@@ -2,6 +2,19 @@
 
 set -ex
 
+# reset the LEDs
+i2cset -y 1 0x6b 0xa5 0x5a || true
+# configure for fast blinking
+i2cset -y 1 0x60 0x00 0x01 || true
+i2cset -y 1 0x60 0x01 0x20 || true
+i2cset -y 1 0x60 0x12 0x40 || true
+i2cset -y 1 0x60 0x13 0x04 || true
+i2cset -y 1 0x60 0x0a 0xff || true
+i2cset -y 1 0x60 0x0b 0xff || true
+i2cset -y 1 0x60 0x0c 0xff || true
+# yellow blinking
+i2cset -y 1 0x60 0x16 0x0f || true
+
 mkdir /tmp/sdcard.image
 mount /mnt/sdcard.img.squashfs /tmp/sdcard.image/
 blkdiscard /dev/mmcblk0
@@ -13,6 +26,9 @@
 ddrescue --force /mnt/u-boot-spl.kwb /dev/mmcblk0boot0
 ddrescue --force /mnt/u-boot-spl.kwb /dev/mmcblk0boot1
 
+# solid yellow
+i2cset -y 1 0x60 0x16 0x05 || true
+
 fsck -y /dev/mmcblk0p1 || true
 fsck -y /dev/mmcblk0p2 || true
 fsck -y /dev/mmcblk0p3 || true
@@ -22,4 +38,7 @@
 echo 1 > /sys/block/mmcblk0boot1/force_ro
 echo 1 > /sys/block/mmcblk0boot0/force_ro
 
+# solid white
+i2cset -y 1 0x60 0x16 0x15 || true
+
 echo b > /proc/sysrq-trigger