Updated How to use the 4G extension (markdown)

GNU 2023-07-21 15:04:06 +08:00
parent a105201c42
commit 7ee64580a9

@ -8,7 +8,7 @@ run `enable_4g_cm4.sh` or `uconsole-4g-cm4 enable`, depends on the version of yo
Please wait for it to complete, which may take about 20 seconds. Please be patient and try not press ctrl+c.
next is important, to check the version of your 4G extension by AT commands:
next is **VERY IMPORTANT**, to check the version of your 4G extension by AT commands:
```
echo -en "AT+CUSBPIDSWITCH?\r\n" | sudo socat - /dev/ttyUSB2,crnl