S3 Max Firmware Update Guide for Mac

Note: The Mac OS system must be version 13.4 or higher to properly update the firmware for the S3 Max docking station.

Step 1: Extract Files

Extract the downloaded S3_Max_Firmware_Upgrade_Kit.zip file and open the MacOS folder inside to verify all files are present.

Note: Place the entire folder on your Mac desktop path.

As shown below:

ANTANK S3 MAX TV Dock Station for Nintendo Switch 2

Step 2: Prepare Cables

Prepare a USB-C to C charging cable with data transfer functionality and a full-featured (supporting audio and video transmission) USB-C male-to-female cable.

Step 3: Connect S3 Max

Connect the S3 Max to your Mac in the order shown below:

Step 4: Check USB Port

Turn on your Mac and follow the steps below to check whether the computer's USB port recognizes Billboard.

Step 5: Update Firmware

Ensure Billboard is detected in Step 3, then open the Terminal on your Mac, as shown below:

Terminal Commands

Enter the command:
```
cd desktop
```
Press Enter. The result is as shown below:
Enter the command:
```
cd S3_Max_Firmware_Upgrade_Kit
```
Press Enter. The result is as shown below:
Enter the command:
```
cd MacOS
```
Press Enter. The result is as shown below:
Enter the command:
```
./CH72178Upd_MacOS
```
Press Enter. The result is as shown below:

Note: A "success......!" message indicates the firmware has been successfully flashed.