ZTE ZXHN H108N

ZTE ZXHN H108N is ADSL/ADSL2+ Wi-Fi router based on Broadcom 6328.

1. Download OpenWrt image as shown above.
2. Turn off modem.
3. Press “reset” and keeping it pressed, turn on the router.
4. Wait 20 seconds and then release “reset” button.
5. Browse to “192.168.1.1”, you should see this screen:
   
6. Select the previously downloaded image and press “upgrade”.
7. Power led will flash from green to red (aprox 2 minutes) and finally stays orange.
8. Once it finishes, OpenWrt will be installed.

It seems that there are 2 different models identified as H108N, one based on Broadcom 6328 and the other on Realtek RTL8672 (unsupportable). OpenWrt is only valid for the model based on Broadcom 6328. Instructions to know our chipset without opening the router:

telnet 192.168.1.1

 username:1234
 password:**** (1234)
        Authenticate Success!
TBS>>sh
~ $
~ $ cat /proc/cpuinfo
system type             : RTL8672
processor               : 0
cpu model               : 56322
BogoMIPS                : 458.75
tlb_entries             : 64
mips16 implemented      : yes

If the result is this, you can not install OpenWrt on the router.

Model Number

Front:

Photo of front of the casing

Back:

Photo of back of the casing

Main PCB

Photo of PCB

→ port.serial general information about the serial port, serial port cable, etc.

Serial Port rs232-TTL 3v3.

baudrate 115200

Serial log:

Photo of PCB with markings

→ port.jtag general information about the JTAG port, JTAG cable, etc.

How to connect to the JTAG Port of this specific device:

Photo of PCB with markings

→ generic.debrick

upgrade page could be browsing 192.168.1.254 instead 192.168.1.1

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