**Zhejiang Kyushu PTV-7098 Teardown: TTL Crack and Third-Party Software Installation Guide**
If you're looking to install third-party software on your Zhejiang Kyushu PTV-7098 set-top box, one of the most effective methods involves using a TTL (Transistor-Transistor Logic) serial connection. This guide will walk you through the entire process step by step, from preparing the necessary tools to successfully installing the Sofa Butler desktop application.
**Preparation Tools:**
1. A Phillips screwdriver, a USB flash drive, and a computer.
2. An RS232 to USB serial cable (make sure it's the correct model). Also, purchase a DuPont cable — you can ask the seller for help with this.
3. Install the CH340G driver (file: ch340g(1).zip, 3.39 MB).
4. Download PuTTY (file: putty.zip, 280.1 KB).
5. Download the Sofa Butler desktop and the Sofa Butler app separately. Rename them as "shafa1.apk" and "shafa2.apk", then copy them to the USB drive.
**Step-by-Step Instructions:**
First, remove the back cover of the set-top box. Use the screwdriver to unscrew the four screws located at the bottom of the device. Once removed, take off the back panel.
Next, connect the RS232 cable to the DuPont cable. The pinout should be as follows: Pin 2 = RX, Pin 3 = TX, and Pin 5 = GND. Connect these using the DuPont cables. Then, plug the other end of the serial cable into the set-top box’s header.
After connecting the cable, insert the USB end into your computer.
Now, install the CH340G driver. Once installed, open Device Manager, go to Ports (COM & LPT), find the COM port assigned (e.g., COM3), right-click, and select "Properties." Under the "Port Settings" tab, change the baud rate to **115200**, then click OK.
Open PuTTY, enter the correct COM port number (based on what your system shows), and click "Open." Make sure you click "Open" before powering on the set-top box. Otherwise, the terminal may not show any output.
Once the box is powered on, you should see a command prompt in PuTTY. If nothing appears, double-check your TX and RX connections and try again.
When the prompt appears, press Enter several times until you see something like `root@Hi3798MV100: #`. Now, enter the following commands one by one:
1. `start adbd` – Enables ADB (Android Debug Bridge).
2. `df` – Checks available storage space.
3. `cd /mnt/sda/sda1` – Navigates to the USB drive.
4. `ls` – Lists the files on the USB drive to confirm that both `shafa1.apk` and `shafa2.apk` are present.
5. `cp shafa1.apk /data/app` – Installs the Sofa Butler app.
6. `cp shafa2.apk /data/app` – Installs the Sofa Butler desktop.
7. `am start com.shafa.tvlauncher` – Launches the Sofa Butler desktop.
Once the installation is complete, reassemble the set-top box and connect it to your TV. You should now see the Sofa Butler desktop interface. From here, you can access various features and customize your experience.
This method allows you to bypass the original firmware restrictions and enjoy third-party applications on your Zhejiang Kyushu PTV-7098. Always make sure you follow the steps carefully to avoid damaging the device or causing boot issues.
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