diff --git a/source/_integrations/sms.markdown b/source/_integrations/sms.markdown
index cb88a588fe7..ea1020b8107 100644
--- a/source/_integrations/sms.markdown
+++ b/source/_integrations/sms.markdown
@@ -185,6 +185,8 @@ Re-plug the USB stick, reboot the device, run `lsusb` again.
 The resulting product id now should be different and the brand id should be the same.
 And `ls -l /dev/*USB*` should now report your device.
 
+Note: if you have multiple USB devices, USB number order can change on boot. For this reason, it's preferable to use your device ID and look in `/dev/serial/by-id/*`. For example,  `/dev/serial/by-id/usb-HUAWEI_MOBILE_HUAWEI_MOBILE-if00-port0`.
+
 If the device is still not recognized, remove the parameter -X from the usb_modeswitch command and reboot again.
 
 ## More details: