Novatek NT96660 Firmware Modification Guide for VIOFO A119S DVR

BCHobbyist

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A129Duo-8WL A119Pro-9Tm A119S-6Vk A119V3 GitUp G3+F1 DCTeam
Expanding my Firmware Modifications to include A129DUO, A119PRO, A119 & A119S Dash Cams.

Download A129 Duo Modified Firmware > https://viofo-dash-cam-modified-firmware.blogspot.com/p/download-a129-mod-file.html
Download A119S Modified Firmware > https://viofo-dash-cam-modified-firmware.blogspot.com/p/download-a119s-mod-file.html
Download A119 Pro Modified Firmware > https://viofo-dash-cam-modified-firmware.blogspot.com/p/download-a119-pro-mod-file.html
Download A119 Modified Firmware > https://viofo-dash-cam-modified-firmware.blogspot.com/p/download-a119-mod-file.html

Forum thread A119S Modified Firmware MODs Archive > https://dashcamtalk.com/forum/threads/a119s-modified-firmware-mods-archive.35824/
Forum thread A129 Modified Firmware MODs Archive > https://dashcamtalk.com/forum/threads/a129-modified-firmware-mods-archive.35826/
Forum thread A119 PRO Modified Firmware MODs Archive > https://dashcamtalk.com/forum/threads/a119-pro-modified-firmware-mods-archive.35825/
Forum thread A119 Modified Firmware MODs Archive > https://dashcamtalk.com/forum/threads/a119-modified-firmware-mods-archive.35602/

Troubleshooting Guide for VIOFO A119S or A119 > https://viofo-dash-cam-selection-advice.blogspot.com/p/dash-cam-troubleshooting.html

DCTEAM-MODS-Logo.png
 
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gse

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Bitrate compare only in motion and on complex scenes, control sun, trees, grass, foliage, it can be a road in the forest. With regards to the card, I have 4 months working at the maximum bitrate 28mbit, no problems.
 

Tobi@s

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Nice tutorial, maybe this will get Novatek firmware modding more popular (as Ambarella was once) :D

Maybe I've missed it but as far as I remember (haven't touched Novatek way too long :( ) there are 46 bytes between partition 1 and partition 2. These bytes contain information about the next partition (partition 2 in this case).
By merging the two partition files using copy /b the 46 bytes get lost. Therefore I'd guess that if the firmware file is valid and gets flashed it will only flash the first partition. The second one will fail since the 46 bytes metadata are missing. It probably doesn't matter since I can't remember any mods affecting the second partition

Oh btw how did you find out about sharpness modification and any chance you can share some information about it?
 

Tobi@s

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Does latest bfc4ntk have an issue with the A119S firmware binary (I can't unpack it)? Trying to set up my Novatek environment but seems like nothing works anymore :D Can't even use bngui (which uses an older bundled version of bfc) due to some JavaFX lib issues

Edit: Seems like I don't even know how my own tools work any more... So bfc will receive an update to handle multipart binaries better
 
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pisospubg

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g8 work m8
just got my viofo a129 duo

i think ill try to upgrade FW after 6 month of use
 

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