Future Apache Oscar 4 CH AT2304N-E3 V4.03B Bios Dump file [100% Tested]

AT2304N-E3 V4.03B Main Board Overview

at2304n e3 v403b is the main board for budget friendly digital video recorders, it is rebranded and sold by various security companies under different names. This main board comes into the following digital video recorders:

• Eagle (Model: EG-AHD 4CH 1080 / 7004t-lm-v3)
• Electro Tech (Model: AT-NH-3804FE / HS-NH-3804FE)
• Gold Star (Model: AT2304)
• Matrix (4CH 1080 5-in-1 layout)
• Zero (Model: ZR-4CH-2M)
• Future Apache Oscar (4 CH AT2304N-E3 V4.03B)

PCB AT2304N-E3 V4.03B 0197166178

Common issues fixed by AT2304N-E3 V4.03B bios file

• The "Hang on Logo" / Boot Loop Issue
• "Dead" DVR / No Display (Black Screen)
• Forgotten or Hard-Locked Admin Password
• Failed Network Firmware Upgrade Recovery
• Video Matrix / IC Initialization Errors

How to flash AT2304N-E3 V4.03B dump file

Tools required: Use programmer like CH341A PRO, RT809H, RT809F and their respective utli software tool.

Step-by-Step Flashing Procedure

1. Connect & Setup Attach your hardware programmer (e.g., CH341A, RT809F) to the physical BIOS flash chip on the motherboard.
2. Backup Original File Open your programmer software, click Read, and save/export the file to create a backup of your original BIOS.
3. Extract the Firmware Use the latest version of WinRAR or 7-Zip to extract your downloaded BIOS archive.
4. Load the New BIN File In your programmer software, click Open/Load and select the extracted .bin file.
5. Write & Verify Click Write/Program, then run a Verify check to ensure the data matches perfectly.

Important Precautions

• Always Backup: Never skip backing up your original BIOS file before erasing the chip.
• Match Exactly: Ensure the downloaded .bin file matches your exact motherboard model string (AT2304N-E3 V4.03B).
• Risk Warning: Incorrect or interrupted flashing can permanently brick the motherboard.
• Warranty: BIOS flashing via a hardware programmer may void any remaining product warranty.

(Note: Smart Led Zone provides 100% tested firmware files).