Welcome to teckwiki.com! If you own a TV with the LDD.H350A.A75 motherboard, you’re in the right place. This universal TV motherboard supports screens from 42″ to 65″ and delivers Full HD resolution at 1920×1080. Its firmware keeps it running smoothly, and updating it can fix issues or improve how it works. In this post, we’ll cover what this motherboard offers, how to update its firmware, and where to get the files you need.
What Is the LDD.H350A.A75?
The LDD.H350A.A75 is a high-speed network driver board designed for smart TVs. It combines a backlight driver, power supply, and Android system into one package. With built-in WiFi and a LAN port, it connects to the internet easily. It runs Android 9.0 Pie, offering a smooth platform for streaming and apps. Whether you’re upgrading an old TV or fixing one, this board is a solid choice.
Firmware is the software that controls the motherboard’s hardware. Updating it ensures your TV performs at its best, fixing bugs and adding new features when available.
Specifications of the LDD.H350A.A75
Here’s what this motherboard brings to the table:
- Brand/Type: LCD/LED Main Board (Android WiFi Network Drive Board)
- Model: LDD.H350A.A75
- Chipset: Hi3751V350
- Operating System: Android 9.0 Pie
- CPU: Multi-Core Arm Cortex A53 64-bit
- GPU: Multi-Core Mali-T450
- CPU Speed: 1.2GHz
- GPU Speed: 432MHz
- Backlight Voltage: 59-70V
- RAM: 1GB
- Storage: 8GB eMMC
- Resolution: Up to 1920×1080
- Speakers: 2 x 8W
- Ports:
- RF Input x 1
- HDMI x 3
- USB x 2
- YPbPr x 1
- Headphones x 1
- CI+ x 1
- RJ45 Ethernet x 1
With multiple ports and strong video and sound quality, this board suits many TV setups. Its response rate is fast, making it reliable for daily use.
How to Update the LDD.H350A.A75 Firmware
Updating the firmware is simple since it’s USB-updateable. Follow these steps to get it done:
- Get the Firmware File:
- Download the file from the link below.
- Make sure it’s named “USB_UPDATE.bin”.
- Prepare a USB Drive:
- Plug a USB drive into your computer.
- Copy “USB_UPDATE.bin” to the USB’s main folder. Avoid adding other similar files.
- Connect to the TV:
- Turn off your TV.
- Insert the USB drive into a USB port on the TV.
- Run the Update:
- Turn on the TV.
- It should find the file and start updating. Follow any prompts on the screen.
- Wait for Completion:
- Don’t turn off the TV or remove the USB during the update.
- The process takes a few minutes. The TV will restart when finished.
- Check the Update:
- After restarting, go to the TV’s settings to confirm the new firmware version.
Tips for a Smooth Update
- Use a stable power source to avoid interruptions.
- Don’t press buttons or use the TV while updating.
- Check that the USB is formatted as FAT32 and the file isn’t damaged.
Need more help? See our Firmware Installation Guide.
Download the Firmware File
We’ve got the firmware ready for you. This file matches the LDD.H350A.A75 with a 1920×1080 resolution.
| Filename | Download |
|---|---|
| LDD.H350A.A75-1920×1080-BenKon | Download |
Only use this file for the LDD.H350A.A75. Using it on other models could cause problems.
Frequently Asked Questions
Here are answers to common questions about the LDD.H350A.A75 firmware update:
Why doesn’t my TV see the USB file?
Check that the file is named “USB_UPDATE.bin” and is in the USB’s main folder. Use a FAT32-formatted USB drive.
Can I update using WiFi or Ethernet?
No, this motherboard requires a USB update.
What if the update stops or the TV won’t turn on?
Try again with a different USB drive. If the TV still won’t start, contact support or check the service manual.
How often should I update the firmware?
Look for updates every few months or if your TV has issues. New versions can improve performance.
For service menu codes, visit All Boards Service Menu Codes.
Final Thoughts
The LDD.H350A.A75 is a strong universal TV motherboard, and keeping its firmware current is key to good performance. This guide walks you through the update process and provides the file you need. Follow the steps, use the right precautions, and your TV will be ready to go. Questions? Check our guides or reach out to us at teckwiki.com. Thanks for reading!
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