Was able to extract readable strings from the latest binary firmware file (firmware_V3.2.17EN.bin) using:

use std::fs::File;
use std::io::{self, Read};

fn main() -> io::Result<()> {
    let file_path = "firmware_V3.2.17EN.bin";
    let mut file = File::open(file_path)?;
    let mut buffer = Vec::new();
    file.read_to_end(&mut buffer)?;
    extract_strings(&buffer);
    Ok(())
}

fn extract_strings(buffer: &[u8]) {
    let mut current_string = String::new();
    for &byte in buffer {
        if byte.is_ascii_graphic() || byte == b' ' {
            current_string.push(byte as char);
        } else {
            if current_string.len() > 3 {
                println!("{}", current_string);
            }
            current_string.clear();
        }
    }
    if current_string.len() > 3 {
        println!("{}", current_string);
    }
}

ChatGPT translated this into Java:

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class BinaryFileStringExtractor {

    public static void main(String[] args) {
        File file = new File("firmware_V3.2.17EN.bin");
        try {
            extractStrings(file);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void extractStrings(File file) throws IOException {
        try (FileInputStream fis = new FileInputStream(file)) {
            StringBuilder builder = new StringBuilder();
            int character;
            while ((character = fis.read()) != -1) {
                if (character >= 32 && character <= 126) {
                    builder.append((char) character);
                } else {
                    if (builder.length() > 3) {
                        System.out.println(builder.toString());
                    }
                    builder.setLength(0);
                }
            }
        }
    }
}

Result:

https://gist.githubusercontent.com/CodeByAidan/d5e86de1225ef2fff4f13cc9e0256515/raw/6515508f58074f9a3d4b229f94a8b8218795412d/out.txt

(would not recommend clicking on the GitHub Gist non-raw version.... Your browser might not handle 20k lines of txt... beware! - https://gist.github.com/CodeByAidan/d5e86de1225ef2fff4f13cc9e0256515)

Source code? #1

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