Due to the aftermarket nature of this board, official manufacturer support pages do not exist. Software is distributed via "technician circles."
*Use this if the device is stuck on
CV338H-A32 is a popular 3-in-1 Android smart TV motherboard. Most users look for software downloads to fix common issues like the TV hanging on the "Logo" or "Welcome" screen. How to Install CV338H-A32 Software
To update or fix the firmware, you generally need to perform a USB manual update Prepare the USB Drive : Use a formatted USB drive (usually FAT32). Download and Rename
: Download the correct firmware file for your screen resolution (e.g., 1366x768 or 1920x1080). The file is often named CTVUpgrade.bin The Update Process
Power off the TV and insert the USB drive into the USB port. Press and hold the Standby/Power button on the TV panel. While holding the button, plug the TV into the AC outlet.
The indicator light (Red/Blue) should start blinking, signaling the update has begun.
Wait until the process hits 100%; the TV will restart automatically. Key Specifications Resolution Support : Up to 1920x1080 (Full HD).
: Typically uses an MT8516D SoC with 512MB RAM and 4GB storage. Service Menu : You can access the service mode by pressing Menu + 1147 on the remote to adjust panel mapping or logo settings. Troubleshooting Common Errors
Updating the CV338H-A32 Go to product viewer dialog for this item.
Smart Android LED TV motherboard is often necessary to fix "Logo Hang" issues or to adjust screen resolution for different panels.
Below is the essential content for a proper software download and installation guide. 📥 Software Download Details Board Model: CV338H-A32 Core Hardware: ARM Cortex A7 Quad Core CPU, 512MB/1GB RAM Operating System: Android 4.4 or 8.0 (depending on version) Default Service Code: Menu + 1147 🛠️ USB Update Procedure
To successfully flash the firmware, follow these steps precisely:
Prepare USB: Use a high-quality 4GB or 8GB USB drive formatted to FAT32. Cv338h-a32 Software Download
Copy File: Place the downloaded firmware file (usually named CtvUpgrade.bin or similar) in the root directory of the USB. Do not put it in a folder. Power Off: Turn off the TV and unplug the power cord. Insert USB: Plug the drive into the TV’s USB 2.0 port. Force Update:
Press and hold the Power Button on the TV panel (not the remote). Plug in the power cord while still holding the button.
The standby light should start blinking, indicating the update has started.
Wait: Do NOT turn off the power. The TV will restart automatically once finished. ⚙️ Post-Installation Setup
If the image appears upside down (Mirror Mode) or the colors are distorted after the update: Access Service Menu: Press Menu + 1147 on the remote.
Mirror Setting: Go to Panel Settings > Mirror Mode to flip the image.
Resolution: Adjust the LVDS Mapping or Resolution settings if the screen looks blurry or pixelated.
⚠️ Warning: Using the wrong firmware version (e.g., trying to use software for a 32-inch screen on a 40-inch panel) can cause permanent display issues or "brick" the board.
If you tell me your specific TV brand (e.g., Kevin, Croma, Mi) or the current issue you're facing (e.g., stuck on logo, no power), I can help you find a more specific firmware version.
Troubleshooting and Updating Your CV338H-A32 Go to product viewer dialog for this item. Smart TV Board
Is your Smart LED TV stuck on the "Welcome" logo or hanging during startup? These are common signs of firmware corruption on the CV338H-A32
motherboard. Fortunately, a software re-installation often brings these budget-friendly Android boards back to life without requiring a full hardware replacement. Key Specifications of the CV338H-A32 CV338H-A32
is a versatile "three-in-one" network motherboard that combines the power supply, LED driver, and TV control into a single unit Processor: Often features the MTK MT8516D chipset. Due to the aftermarket nature of this board,
Typically configured with 1GB RAM and 8GB internal storage (variants may exist with 512MB/4GB). Resolution Support: Capable of driving panels up to 1920x1080 (Full HD) Connectivity: Supports Wi-Fi, Ethernet, and multiple HDMI/USB inputs. Why Download New Software?
Updating or reflashing your board can resolve several critical issues: Bootlooping: Fixing TVs that hang on the logo or restart endlessly. App Errors:
Solving "Unfortunately, process has stopped" Android errors. Customization:
Changing the boot logo (e.g., to Samsung or Sony) or importing custom IR remote configurations. Hardware Compatibility:
Adjusting panel mapping settings to fix color depth or resolution issues after a screen replacement. Step-by-Step USB Update Guide
Firmware for the CV338H-A32 Android Smart TV universal motherboard is typically used to fix "stuck on logo" issues or to match the board to a specific screen resolution. 📥 Direct Firmware Links
You can download the specific firmware based on your TV's screen resolution: HD Resolution (1366x768): Download 1366x768 Firmware Full HD Resolution (1920x1080): Download 1920x1080 Firmware
General Backup (All Versions): Dip Electronics Lab Collection 🛠️ USB Installation Steps
To update your TV software via USB, follow these instructions: Prepare USB: Use a 4GB or 8GB USB drive formatted to FAT32.
Extract File: Download the .zip or .rar file and extract it.
Copy File: Move the file named CtvUpgrade.bin directly to the root of the USB drive (do not put it in a folder). Update Process: Turn OFF the TV and unplug the power cord. Insert the USB into the TV's USB port. Press and hold the Power button on the TV panel. While holding the button, plug the TV back in.
Release the button when the progress bar appears on the screen.
Finish: The TV will automatically restart once the update is 100% complete. ⌨️ Service Menu & Remote Codes Completion: Do not unplug the TV
If the software installs but the screen or remote doesn't work correctly, use these codes: Service Menu Code: Press Input -> 2580 or Menu -> 1147.
Resolution Change (Remote Method): Some versions allow changing resolution by pressing Input + 0338 + 1 (for HD) or 2 (for FHD).
Common Remote: This board is often compatible with Samsung or Sony copy remotes by default.
⚠️ Warning: Installing the wrong resolution software (e.g., FHD software on an HD screen) may result in a distorted or black screen. To give you the most accurate advice, could you tell me: What is the brand and model of your TV?
Are you trying to fix a stuck logo, or did you just replace the board? What is the panel resolution (HD or Full HD)?
Best for functional updates or unbricking minor glitches.
Requirements:
Steps:
Required if the USB port is unresponsive or the board is fully bricked.
Hardware Needed: CH341A Programmer + 1.8V Adapter (Many CV338 boards use 1.8V logic; a standard 3.3V clip may not read the chip correctly).
Some units have an OTA (Over The Air) feature.
The CV338H-A32 board comes in multiple PCB revisions (e.g., V1.0, V2.1, V3.0). Each revision may require different software. To find your revision:
Write down this exact version. Additionally, note the following: