Welcome to Teckwiki.com! If you’re a technician or TV owner looking for firmware for the 40-0RT49S-MAB2HG LED TV motherboard, you’re in the right place. This post covers everything you need to know about this universal motherboard, including its features, firmware files for free download, and a step-by-step guide to installing them. Let’s get started.
What Is the 40-0RT49S-MAB2HG Motherboard?
The 40-0RT49S-MAB2HG is a non-combo motherboard built for HD and Full HD LCD and LED TVs. It’s a solid choice for many TCL TVs, offering a mix of modern features and reliable performance. While it includes a built-in operating system with smart capabilities, it’s not Android-based. This board supports technicians with firmware updates to keep TVs running smoothly.
Key Features and Specifications
Here’s what the 40-0RT49S-MAB2HG brings to the table:
- Display: Full HD resolution (1920×1080) with a 200 SMR refresh rate for clear, smooth visuals.
- Audio: Dolby Sound with 20W stereo speaker output for rich sound.
- Ports:
- 2 HDMI for connecting devices like gaming consoles or Blu-Ray players.
- 2 USB for multimedia playback or external drives.
- VGA, Component Input, Ethernet (RJ45), Coaxial Out, and Headphone Jack.
- Smart Features: Supports smart TV functions (but not Android apps).
- Power: Runs on 12V DC with 80W consumption.
Check out the full specs below:
| Feature | Details |
|---|---|
| Brand Chasis | RT49S |
| Board Model | 40-0RT49S-MAB2HG |
| Display Format | FHD 1080P |
| Screen Type | LED |
| OS Version | Smart (Not Android) |
| Processor | Dual-Core |
| Graphic Processor | Dual-Core |
| Storage Memory | 132 MB (48-Pin NAND) |
| Screen Resolution | 1920×1080 |
| HDMI Ports | 2 |
| USB Ports | 2 |
| VGA | Yes |
| Built-In Wi-Fi | No |
| Ethernet (RJ45) | Yes |
| Component Input | Yes |
| Speaker Output | 20W |
| Tuner | Yes |
| NAND Memory | 29F1G08ABAEA@TSOP48 |
| Power Requirement | 12V DC |
| Power Consumption | 80 W |
| Firmware Type | NAND Backup and USB Bootable |
| Firmware Version | V8-RT49S01-LF1V070 |
| Product | TCL |
Why Update Your Firmware?
Updating the firmware fixes bugs, improves performance, and ensures your TV stays compatible with modern devices. For the 40-0RT49S-MAB2HG, we offer two firmware files:
- USB Bootable: Simple to install via a USB drive.
- NAND Backup: A full backup for advanced users or recovery.
How to Download the Firmware
You can grab the firmware files below:
| Filename | Size | Download |
|---|---|---|
| 40-0RT49S-MAB2HG-1920×1080-TCL-NAND-Backup | 83MB | Download |
| 40-0RT49S-MAB2HG-1920×1080-TCL-USB-Firmware | 85MB | Download |
Note: Firmware updates carry risks. The Teckwiki Team isn’t liable for damage from improper use. If you’re new to this, read our firmware installation guide first.
How to Install the Firmware
Follow these steps to update your TV safely:
Step 1: Prepare
- Download the firmware file you need.
- For USB firmware, unzip it to a blank USB drive.
- For NAND backup, ensure you have the right tools (this is more technical).
Step 2: Back Up
- Save your current firmware if possible. This helps if something goes wrong.
Step 3: Install
- USB Bootable:
- Plug the USB into your TV.
- Go to the settings menu and find “Firmware Update.”
- Select the file and start the update.
- NAND Backup:
- This needs technical skills. Use a programmer tool to flash the NAND memory. If unsure, get help from a pro.
Relevant: CH341A Programmer Software Free Download (Latest 2025)
Step 4: Check
- Restart the TV and test it. Look for better performance or fixed issues.
Common Issues and Fixes
Problems can happen. Here’s how to handle them:
- TV Won’t Start: Check the power cable and connections.
- Update Stops: Redownload the file—it might be corrupted.
- No Picture: Test HDMI cables or reset resolution in settings.
Still stuck? Contact a technician or visit our troubleshooting page.
Frequently Asked Questions
From Google’s “People Also Ask,” here are answers readers want:
Is the 40-0RT49S-MAB2HG a Smart TV Board?
Yes, it supports smart features, but it’s not Android-based. You get basic smart functions without app store access.
Can I Use This Firmware on Other TVs?
No, it’s specific to the 40-0RT49S-MAB2HG. Check your board model first.
What If I Brick My TV?
A NAND backup can recover it, but it’s tricky. Always back up before updating.
Final Thoughts
The 40-0RT49S-MAB2HG is a dependable motherboard for TCL LED TVs, and with our free firmware downloads, you can keep it running at its best. Follow the guide, take precautions, and enjoy a better TV experience. Need more help? Check out our TV repair guides or leave a comment below.
