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  1. #171
    ☼ADMIN☼ How to backup Nuvi NV (region41) with sd
    catymag's Avatar
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    Which HWID is your 3770v?
    As I know Nuvi 3770v is an Asian device, different HWID (1406) latest firmware here:
    Code:
    Please Login or Register to see the links
    Product pages:
    Code:
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    What do you have in Update.txt ?
    l9ebnsm
    You have to navigate to get to the good.

    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

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  3. #172
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    I have this in update.txt:

    if_error,rrgn,abort
    rrgn,41,1:/41-backup.bin
    reboot

    Ok I will download the latest firmware form the link, will try with it and I will write again.
    Thank You!

  4. #173
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    Ok Catymag,THANK YOU VERY MUCH!
    I made it. It write the Region41 fail, I didn`t know that the HWID for 3770 is 1406, but in the log it is written:

    nьvi blade Series Software Version 2.70, UID: 384356xxxx, HWID: 384356xxxx
    ------------------------------------------------------------------------------
    Parsing "if_error,rrgn,abort"
    Error: invalid command 'if_error'
    Error
    Parsing "rrgn,41,1:/41-backup.bin"
    Success
    Parsing "reboot"
    Success

    And why there is an error in If_error?

  5. #174
    Garmin/GPS Systems GMod. How to backup Nuvi NV (region41) with sd
    How to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sd
    Neil's Avatar
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    To be executed, a text command must be enabled [i.e. present] in the unit software [firmware]. If the command "if_error" or any other one isn't present then it cannot be executed by ldr.bin and an 'invalid command' error will be shown in update.log. 'if_error' is present in US/EU firmwares of 3xxx, but there are some commands not in roughly-corresponding Asian [i think maybe SG 3760? has rrgn missing which is a far bigger concern than 'if_error'].

    Older US/EU units up to and including nuvi 1xxx series also don't have 'if_error' present in their firmware. See Posts 71 to 75 here: [Only registered and activated users can see links. ].
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  6. #175
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    Default Zumo 590

    I made a full backup of the Zumo 590, but 41.bin is empty !?!?!?
    All other regions are good, only 41.bin is empty (0 bytes).
    Does anyone know why, and what to do to get 41.bin?

    [Only registered and activated users can see links. ]

    thank you

  7. #176
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    Quote Originally Posted by Neil View Post
    Loly, smokefree has a 2xx5. It's the 2013 2xx7 devices which have the RWFS which is written as 1:/ and the microSD as 2:/. The 2012 range 2xx5 definitely still has the path 1:/ for the card.
    I'm glad I found this post!
    I just tried to back up region 41 for my 2557LMT (2013 device), with

    rrgn,41,1:/41.bin. no backup.
    After I changed the number to 2, 41.bin was created

  8. #177
    Navigation software expert How to backup Nuvi NV (region41) with sd
    How to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sd
    Giomen's Avatar
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    Quote Originally Posted by GPShobbyist View Post
    I'm glad I found this post!
    I just tried to back up region 41 for my 2557LMT (2013 device), with

    rrgn,41,1:/41.bin. no backup.
    After I changed the number to 2, 41.bin was created
    Also you must have backup for this case too:
    rrgn,41,1:/41.bin
    But this would be located on RWFS drive but not SD. I think you can find it there (in RWFS) even now.
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

  9. #178
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    I just enabled "Show RWFS In Mass Storage" and saw 41.bin file on the device root folder mounted on another drive on a PC. The backup was created the first time I tried rrgn,41,1:/41.bin, but I didn't know that.
    Thanks!

  10. #179
    ☼ADMIN☼ How to backup Nuvi NV (region41) with sd
    catymag's Avatar
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    Quote Originally Posted by GPShobbyist View Post
    [SIZE=-1]I'm glad I found this post!
    It's quoted in starting post, I'll quote Giomen's post too now.
    Thanks
    l9ebnsm
    You have to navigate to get to the good.

    Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600

  11. #180
    Garmin/GPS Systems GMod. How to backup Nuvi NV (region41) with sd
    How to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sdHow to backup Nuvi NV (region41) with sd
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    Red text will put in context the practical use of writing regions to RWFS:

    Quote Originally Posted by Neil View Post
    Something else worth comment is that old nuvi series 2x0, 3x0 and 6x0 backup 41 empty but they can backup other less-important regions. However, interestingly the card's path for 3x0 and 6x0 is 2:/ as it is with 2013> devices, which in fact write 1:/ to the hidden RWFS ram flash as described [Only registered and activated users can see links. ]. So with 2013> [and only them], it's therefore possible to write regions elsewhere than a card and then move the backups from RWFS to elsewhere using a PC. However, as neither the unit itself or RWFS cannot execute script commands, you still need to have a card to do that but it could be a help if you only have a tiny 32MB microSD and want to dump a lot of regions together. There was an earlier question in here about backing up without a card but from memory the poster had a 2012 unit anyway. In any case the short answer is it's impossible to dump regions from any unit without using a card, as one is required to at least execute the script in update.txt.

    Relatedly, Linux OS units like nuvi 5000 and 8xx cannot write 41 or for that matter any other regions that we know as commented on by kunix [Only registered and activated users can see links. ].

    It would be worthwhile knowing if any of the Asian Android units are capable, but my guess is if the Linux units can't then neither can they.

    A handy tip to try with a unit which refuses to write to the card is to add an empty update.log file in with ldr.bin and update.txt, that will enable some units to then do backups.


    In your case, the card wasn't getting a look in at all until you changed the path to 2:/ anyway. The previous attempts were all writing and then overwriting 41.bin to RWFS. You'll find it's still there if you look.
    And in [Only registered and activated users can see links. ] [p#117] which is the first link ['here'] in the above post:
    Quote Originally Posted by Neil View Post
    Yes it's possible to restore from RWFS. It's unaffected by clearing user data, or full non-protected NV clearing of course. The unit also uses rwfs by writing updates to its Diag, GPS and SQLite subfolders of the .system folder.

    It can also be used for backup up of NV. The command on a card used for 2012 and earlier devices to write back to the sd using 1:/ will now write to RWFS. So even though a full nv dump isn't possible multiple rgns can be done together [RWFS is only 134,382,720 bytes or ~128 MiB total and around 1.6 MiB is already used]. I haven't been able to get the command to be recognised by placing it on the RWFS itself though, i.e. the unit doesn't seem to take commands from rwfs to write to itself, only from the MicroSD to write to rwfs. It's interesting that it can be done, but i don't know if there is any practical application for doing such things as writing a backup of nv regions to 1:/ rather than using the 2:/ path back to the card itself. If it were possible to do it without the command coming from the microSD it maybe would be far more interesting.
    Seeing it's not possible to do a region backup to RWFS without using a card to execute Update.txt, it's really not all that important to be able to use 1:/ in 2013> devices. What's really of great import is their use of 2:/ to write to the card just the same way back as it was for the very first nuvi series 3xx and then 6xx [although we didn't have a clue about using those SD commands back then and rgn41 is protected/dumps empty in them anyway]. What's old is new again.
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