diff --git a/How-to-upgrade-flash-4G-ext-firmware.md b/How-to-upgrade-flash-4G-ext-firmware.md
index 8f6e6cc..d4579d4 100644
--- a/How-to-upgrade-flash-4G-ext-firmware.md
+++ b/How-to-upgrade-flash-4G-ext-firmware.md
@@ -162,7 +162,7 @@ In fact, at this point, if the SIM card is inserted correctly, the 4G network sh
 to test if the 4G connection is ok by
 ```
 cpi@raspberrypi:~/LE20B04SIM7600G22_cpi $ ping -I usb0 8.8.8.8
-PING 8.8.8.8 (8.8.8.8) from 192.168.225.25 usb0: 56(84) bytes of data.
+PING 8.8.8.8 (8.8.8.8) from ***.***.***.** usb0: 56(84) bytes of data.
 64 bytes from 8.8.8.8: icmp_seq=1 ttl=109 time=331 ms
 64 bytes from 8.8.8.8: icmp_seq=2 ttl=109 time=98.8 ms
 64 bytes from 8.8.8.8: icmp_seq=3 ttl=109 time=84.3 ms