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70mai A500 / Pro Plus (Hi3556V100+IMX335) dashcam hacks.

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  • #1

    70mai A500 / Pro Plus (Hi3556V100+IMX335) dashcam hacks.

    70mai A500 dash camera uses YAFFS2 filesystem to store some important data in flash memory. Other HiSilicon devices usually use UBIFS, JFFS2, SQUASHFS and EXT4 filesystem.

    Linux tools for unpacking and repacking YAFFS2 filesystem image:
    DOWNLOAD YAFFS2TOOLS

    Usage:
    To unpack: Put your appfs.yaffs to the folder with unpacked files. Run unpack.sh. New appfs folder with unpacked files will appear.
    To repack: Edit the appfs folder according to your needs (like replacing some voice audio files or UI text files). Run repack.sh and get the appfs_rep.yaffs file.

    Compiled from sources from here and HiSilicon SDK.
    Donate here if you want to support my efforts and this site.

    Email me if you have any offers, requests or ideas.
    Tags: 70mai a500, custom firmware, hack, pro plus, yaffs
    • 1 like
  • #2
    Script by flecks for unpacking fw update packages ("zip" files which are not zip files) for 70mai A500:
    DOWNLOAD

    4pda.ru link
    Donate here if you want to support my efforts and this site.

    Email me if you have any offers, requests or ideas.
    • 1 like

    Comment

    • #3
      Can you please provide a link with a custom firmware for 70mai pro plus a500s that has time lapse parking mode?
      thank you in advance and keep up your good work!!

      Comment

      • nutsey
        #3.1
        nutsey commented
        03-18-2021, 06:11 PM
        Editing a comment
        A500s is built on a brand new hardware platform and I don't have this device on my hands to try repacking any custom firmwares at the moment.
    • #4
      Oh ok thank you for the info! If you get your hands on one please look into it!!

      Comment

      • #5
        Mee too interested on 70mai a500s for time lapse parking mode.
        Can i patch and modify sensitivity on parking mode because my camera is on high sensitivity on parking mode and does not start when i hit the car, close the door, hit the tires, tap the windshield?
        The car need to be hit by a truck to start the recording or hit the camera hard.


        Comment

        • register258
          #5.1
          register258 commented
          04-22-2021, 03:47 PM
          Editing a comment
          Hi Sanhwy,
          How is the recording quality of the rear camera
      • #6
        Hello,

        First of all, Thanks for a forum like this.

        Could you please share the modified version of the fw for a500? Or could you please direct us in more details? I couldnt manage to modify the firmware. I am new to dashcams.

        I tried to download the onea for fw 0.34 from the site you refered but the links is seems to be broken.

        I saw your fw on 70mai pro and I convert the language to Turkish by your published fw. I have both the 70mai pro and 70mai pro plus (a500).

        Thanks in advance.

        Originally posted by nutsey View Post
        70mai A500 dash camera uses YAFFS2 filesystem to store some important data in flash memory. Other HiSilicon devices usually use UBIFS, JFFS2, SQUASHFS and EXT4 filesystem.

        Linux tools for unpacking and repacking YAFFS2 filesystem image:
        DOWNLOAD YAFFS2TOOLS

        Usage:
        To unpack: Put your appfs.yaffs to the folder with unpacked files. Run unpack.sh. New appfs folder with unpacked files will appear.
        To repack: Edit the appfs folder according to your needs (like replacing some voice audio files or UI text files). Run repack.sh and get the appfs_rep.yaffs file.

        Compiled from sources from here and HiSilicon SDK.

        Comment

        • #7
          Dear Nutsey,

          I am not able to sign up on the 4pda.ru page. Is there any possibility to share the fw? or help me?

          Comment

        • #8
          Dear Nutsey,

          Thank you for the reply.

          I updated my a500 with your help. Is there any chance to add Turkish sound files? How can I convert them for this version? Or dou you have them. I know that you are using. I look on donanimhaber but it is only for midrived02 which is also with your help.

          I manage to get the turkish aac files from the midrived02 recorder with the help of FAR file manager. (thanks to Shkiper-vr6 https://4pda.to/forum/index.php?show...#entry81053557)


          But I can not connect to a500 with FAR to add them. when I scan the IP&ports I saw the pro plus fw is not supporting ssh. How can I port them into pro plus?

          Thanks in advance.
          Last edited by ozturk.sedat85; 06-13-2021, 03:08 PM.

          Comment

          • #9
            Dear Nutsey, is there any chance to send some ss of usage of the YAFFS2TOOLS?

            I couldnt manage to add the turkish speech files with FAR manager (no ssh version of a500).

            Comment

            • nutsey
              #9.1
              nutsey commented
              06-21-2021, 08:33 AM
              Editing a comment
              These tools are for Linux terminal. I use Ubuntu.
          • #10
            Thank you for your incredible fast response. Could you by any chance share some screen shot. I dont have much experience in linux. This may also help others

            Comment

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