diff --git a/luci/luci-app-qmodem/root/usr/share/qmodem/vendor/huawei.sh b/luci/luci-app-qmodem/root/usr/share/qmodem/vendor/huawei.sh
index 489443c..6e12e01 100755
--- a/luci/luci-app-qmodem/root/usr/share/qmodem/vendor/huawei.sh
+++ b/luci/luci-app-qmodem/root/usr/share/qmodem/vendor/huawei.sh
@@ -17,7 +17,7 @@ function get_imei(){
 
 function set_imei(){
     imei=$1
-    at $at_port "AT+CGSN=\"$imei\""
+    at $at_port "at^phynum=IMEI,$imei"
 }
 
 function get_mode(){