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Updated How to upgrade flash 4G ext firmware (markdown)

GNU
2023-07-22 12:03:08 +08:00
parent 8b36c632dd
commit 08da9dc1cd
1 changed files with 10 additions and 0 deletions
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10
How-to-upgrade-flash-4G-ext-firmware.md

@@ -159,6 +159,16 @@ So, the appearance of usb0 indicates success.
In fact, at this point, if the SIM card is inserted correctly, the 4G network should already be connected.
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.
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
64 bytes from 8.8.8.8: icmp_seq=4 ttl=109 time=89.0 ms
```
# Precautions
The above-mentioned flashing operation requires your familiarity with Linux and firmware flashing. Please do not attempt it without sufficient experience, as we will not be held responsible for any consequences. Thank you for your understanding.