From 915a89372609b95b4364823ccde816861cbe0f64 Mon Sep 17 00:00:00 2001
From: GNU <dexterkidd@gmail.com>
Date: Sat, 22 Jul 2023 12:05:04 +0800
Subject: [PATCH] Updated How to upgrade flash 4G ext firmware (markdown)

---
 How-to-upgrade-flash-4G-ext-firmware.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/How-to-upgrade-flash-4G-ext-firmware.md b/How-to-upgrade-flash-4G-ext-firmware.md
index d4579d4..3ce560c 100644
--- a/How-to-upgrade-flash-4G-ext-firmware.md
+++ b/How-to-upgrade-flash-4G-ext-firmware.md
@@ -154,6 +154,12 @@ Finally, run "sudo dmesg | tail" to check for the following output:
 [ 1033.966622] usbcore: registered new interface driver rndis_wlan
 
 ```
+now you can see 9011 in lsusb
+```
+cpi@raspberrypi:~/LE20B04SIM7600G22_cpi $ sudo lsusb
+Bus 001 Device 008: ID 1e0e:9011 Qualcomm / Option SimTech, Incorporated
+```
+and `sudo ifconfig usb0`
 
 So, the appearance of usb0 indicates success.