How to extract firmware from Ambarella 0803?

[RustySpoons]

I will change my archive to the correct autoexec with ROM, I thought i'd changed it but I put the file up for a different model LOL.

Better

The result is an autoexec.ash working with the lines:

rm a:\autoexec.ash
firmfl gen 6 bst bld hal pri rom dsp d:\backup.bin
rm d:\autoexec.ash

And I added the line:

romfs list > romfs.txt

and I obtained:

Usage: ls - list ROMFS files
inodes - list ROMFS inode tree
load [name] [addr] - load data to memory
save [slot] [name|all] [fpos]- save file to storage
log_init [slot] - log the statistics of ROMFS initialized flag

Not the file list


The rom version FW20140507 V.1.0 of EPRANCE I extracted. Not tested. Link below:
http://freakshare.com/files/cuawi9k5/backup-mini-0803-EPRANCE-FW20140507-V.1.0.bin.html

16,2 MB (17.000.448 bytes)

 

[Quidagis]

Any step by step guide to extract the firmware? It's not clear to me how to do it.

Thank you!

 

[jokiin]

Any step by step guide to extract the firmware? It's not clear to me how to do it.

Thank you!

do you have a version of firmware which is not available for download already?

 

[Quidagis]

Current FW version: 20140507 v1.0. - 8 gigas internal, 32 gigas MSD card and GPS. - E-PRANCE.

I just want to have a backup just in case I have to downgrade after installing a new one. In any case, I found same version here: http://www.diggcams.com/download/mini-0803-dashcam-FW140507.rar (I hope it's the right one )

BTW, any advice on which FW from http://dc.p-mc.eu/0803/firmware suits my camera?

Thank you.

 

[jokiin]

same version, no need to try backing up

 

[Tobi@s]

You can use any fimware listed there but I suggest to try 20140804

 

[Quidagis]

Thank you, jokiin and Tobi@as, for quick reply.

One more question... What does it mean when you talk about GPS + 2 CARDS in description?

 

[janekg16]

its possibile to extract from gw1h by this script

 

[Tobi@s]

Thank you, jokiin and Tobi@as, for quick reply.

One more question... What does it mean when you talk about GPS + 2 CARDS in description?

2 CARDS means: Firmware supports internal and external (SD card) memory.
1 CARD means external memory only

its possibile to extract from gw1h by this script

Possibly. But the script needs a modification since A2 doesn't use the HAL partition

 

[jokiin]

its possibile to extract from gw1h by this script

Possibly. But the script needs a modification since A2 doesn't use the HAL partition

G1WH is Novatek, not Ambarella

 

[CheckYourLights]

One more question... What does it mean when you talk about GPS + 2 CARDS in description?

2 CARDS means: Firmware supports internal and external (SD card) memory.
1 CARD means external memory only

This
You can also use a 1 Card firmware on a 2 card device, but you will loose being able to use your internal storage.
I have a GPS 2 Card version and I run the iTracker firmware fine.

 

[Tobi@s]

G1WH is Novatek, not Ambarella

Ooops [emoji15]

 

[Crowick]

Can anyone give me step-by-step instructions for dumping firmware from the 0803? I just bought one on 10/1, and when I looked for updated firmware I discovered that mine is newer than what the repository has.

For information, my 0803 is a one card version with firmware 20140917 (I think it's 17 anyways.) Someone else suggested that I dump it and share it with you guys, so advice is definitely desired.

 

[mr_milo]

You want to use the Autoexec.ash scripts, fwbackup. I don't know the step by step but I believe you load the script to your card and reboot.

http://dc.p-mc.eu/0803/autoexec

 

[Crowick]

So I've extracted the firmware successfully. I uploaded it to Mediafire and the link is below.

This firmware is from a NOGPS, 1 CARD unit, date stamped as 20140915 v1.0. Please feel free to rehost it wherever you please.

https://www.mediafire.com/?rbyz684uakccyi4

 

[Tobi@s]

Please wait with updating to any other version. Want to verify the firmware backup before.

 

[darenasp]

It will work with 1card and with GPS?

 

[Yen]

So I've extracted the firmware successfully. I uploaded it to Mediafire and the link is below.

This firmware is from a NOGPS, 1 CARD unit, date stamped as 20140915 v1.0. Please feel free to rehost it wherever you please.

https://www.mediafire.com/?rbyz684uakccyi4

Crowick, do you have step-by-step instructions on how you extracted the firmware?
I just received mine and the version is 20140918 V1.0 so I may possibly have the most up-to-date one. If I can extract it I'll upload for people to use.

 

[toologic]

I try more than 20 times to do it.
Various command:
firmfl gen 6 bst bld hal pri rom dsp d:\backup.bin
or
firmfl gen 6 bst bld hal pri rfs dsp d:\backup.bin

Various file type (Unix CR), utf-8 (BOM)
But once it worked out and I got a backup.bin (17 485 kb) and DCIM\drives.txt DCIM\romfs.txt.
So quick (seems 15-20 sec) and my wokred autoexec.ash was deleted and i can not repeat it I have to repeat it to make sure that the first dump was correct.

I found zip archive (on this forum) with autoexec.ash and run it. Incredible - it work! I not found difference with my file!
I change it (for dumping 5 block and 6 blocks) and attach here.

My device E-PRANCE 0805 8GB+GPS+SD 20150208v1.0