On the Taobao Amoy 4.3 yuan shipping USB to TTL programming cable, disassemble and solder the GND, TX, and RX lines (methods are described in the previous post, no need to repeat).
1. Change the box's IP address:
Since the Heilongjiang Unicom IPTV box is usually connected via PPPOE and directly linked to the router’s LAN port, you need to switch it to an automatic IP configuration. Press the setup button on the remote control, use the default password “123456â€, go into the wired network settings, and change the connection mode from PPPOE to "Obtain IP automatically." This allows the box to receive a new IP address.
2. Connect the GND of the box to the TTL GND, the RX of the box to the TTL TX, and the TX of the box to the TTL RX.
3. Open a terminal emulator like HyperTerminal, PuTTY, or SecureCRT. Locate the correct serial port in the Device Manager and set the baud rate to 115200.
4. When the box starts up, you’ll see some scrolling text on the screen. Once it boots, press Enter to see the prompt `root@HG680:/ #`.
5. Download the latest version of the Sofa Butler desktop app, copy it to a USB drive, rename it to `shafa.apk` for easier access, and insert the USB into the box. You should see the command output in HyperTerminal. After the transfer completes, use the `df` command to find the USB drive path.
I am here at `/mnt/sda/sda1/`, so I enter the command `adb install /mnt/sda/sda1/shafa.apk` to install the Sofa Butler desktop.
6. After the installation finishes, run `pm list package` to check if the package `com.shafa.tvlauncher` is present. If it is, the installation was successful.
7. Disable the remote control and upgrade functions to prevent them from interfering after the installation:
```
pm disable com.fh.tr069
pm disable com.fiberhome.fhupgrade
```
8. Start the Sofa Butler desktop by running `amstart com.shafa.tvlauncher`. You’ll now see the TV boot into the Sofa Butler interface. Go to the Setup menu and enable startup from boot. You can then freely install other apps from the desktop.
9. If you want to watch IPTV again, switch the network back to PPPOE mode and reconnect the Ethernet cable as before.




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