1 files changed, 5 insertions, 0 deletions
diff --git a/util/flash_ec b/util/flash_ec
index 3278f1d8fd..0d840a9ae4 100755
--- a/util/flash_ec
+++ b/util/flash_ec
@@ -353,6 +353,11 @@ function flash_stm32_dfu() {
 	fi
 
 	SIZE=$(wc -c ${IMG} | cut -d' ' -f1)
+	# Remove read protection
+	sudo $DFU_UTIL -a 0 -s ${ADDR}:${SIZE}:force:unprotect -D "${IMG}"
+	# Wait for mass-erase and reboot after unprotection
+	sleep 1
+	# Actual image flashing
 	sudo $DFU_UTIL -a 0 -s ${ADDR}:${SIZE} -D "${IMG}"
 }