TVB3704BS_V1.03 Bios dump file Download [100% Tested]
Uploaded: June 3, 2026
Updated: September 13, 2026
9 Downloads
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Technical Specifications
| PCB 1 | TVB3704BS_V1.03 20210802 |
| PCB 2 | TVB3704BS-F1 V1.03 |
| Device Type | DVR / XVR |
| Channels | 4 Channel |
| System Type | 5-in-1 DVR |
| Video Decoder | TP2830 |
| SPI Flash | 25L12805 |
| Flash Type | SPI NOR |
| Dump Format | BIN |
| Known Dump Size | 8 MB |
| Software Version | V1.03 |
Overview
The TVB3704BS_V1.03 is a flash/DVR board software dump associated with 4-channel 5-in-1 DVR/XVR devices. Repair references identify the chassis as TVB3704BS_V1.03, with TP2830 as the video decoder and 25L12805 SPI flash memory.
Yes-Original OR 4Ch 5IN1 5MN Aud H265
TVB3704BS-F1 V1.03
TVB3704BS_V1.03 20210802
Common Problems This Dump Can Help Fix
A compatible flash dump can be useful when the original SPI contents are corrupted or the DVR software has become unusable.
Common symptoms reported around this board include:
- DVR stuck during startup
- DVR not booting correctly
- No display or abnormal startup
- Corrupted software
- DVR requiring SPI flash reprogramming
- Forgotten or inaccessible system password in some repair cases
- DVR operating incorrectly after an incompatible flash
- Recovery after damaged or corrupted flash contents
Flash Programming
For board-level repair:
- Confirm the PCB is marked TVB3704BS_V1.03.
- Check the SPI flash marking.
- Back up the original flash before programming.
- Confirm the dump size matches the installed memory.
- Program the compatible
.BINfile using an appropriate SPI programmer. - Verify the written data.
- Reinstall the chip if it was removed.
- Power on the DVR and test video inputs, display output, storage and network functions.
A related TVB3704BS-F1 V1.3 repair file is documented with an MX25L12805D SPI chip and an 8 MB BIN dump.
Important Compatibility Warning
Do not select the dump based only on the name TVB3704BS.
There are references to:
TVB3704BS_V1.03TVB3704BS-F1 V1.3
These should not automatically be treated as identical. Check the complete PCB number, revision, SPI chip and decoder before flashing.
Note:
- Smart Led Zone Team is not responsible for any type of damage/loss as a result of Uploading/Downloading the firmware.
- Software Firmware file 100% Tested by Smart Led Zone Team.
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Frequently Asked Questions
What is the TVB3704BS_V1.03 dump?
It is an SPI flash dump used for board-level repair of compatible 4-channel DVR/XVR equipment.
Which decoder is used on this board?
A repair reference identifies the TP2830 video decoder on the TVB3704BS_V1.03 board.
Which SPI flash chip is used?
The TVB3704BS_V1.03 reference identifies a 25L12805 flash chip.
What problems can this dump help with?
It can be useful for corrupted flash data, boot problems, software recovery and some password-related repair situations, provided the dump matches the hardware.
Can this dump remove a DVR password?
A compatible replacement dump may restore the DVR to a state without the previous password, but this depends on the exact dump and device configuration. Repair reports show this being attempted on TVB3704BS_V1.03 units.
Is TVB3704BS_V1.03 the same as TVB3704BS-F1 V1.3?
Not necessarily. They are closely related board designations, but you should compare the actual PCB and components before using a dump.
What size is the related TVB3704BS-F1 V1.3 dump?
A published repair file for the TVB3704BS-F1 V1.3 is listed as an 8 MB BIN file.
Should I save the original flash before programming?
Yes. Always make a backup of the original SPI contents when possible. It provides a recovery option if the replacement dump is incompatible.
Can this dump fix black camera images?
Not necessarily. A repair report showed a TVB3704BS_V1.03 unit booting after a flash replacement but still showing black camera images. This indicates that camera compatibility, decoder configuration, firmware and hardware should also be checked.
What should I verify before flashing?
Verify the TVB3704BS board version, PCB revision, SPI flash model, flash capacity and decoder. Do not program a similar-looking dump without confirming these details.
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