diff --git a/flash_all.sh b/flash_all.sh
index e075ccc..29b6611 100755
--- a/flash_all.sh
+++ b/flash_all.sh
@@ -1,8 +1,14 @@
-#!/bin/bash -e
+#!/bin/bash
+set -e
 
 DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 cd $DIR
 
+for part in aop xbl xbl_config devcfg; do
+  fastboot flash ${part}_a $DIR/agnos-firmware/$part.bin
+  fastboot flash ${part}_b $DIR/agnos-firmware/$part.bin
+done
+
 ./flash_bootloader.sh
 ./flash_kernel.sh
 ./flash_system.sh