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  1. #181
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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.
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
    Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.
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  3. #182
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    I'm assuming the 3790US is one of the "new devices" that needs the "2" value in the script, right? In that case, what does this exactly mean: [Only registered and activated users can see links. ] ? Does that mean I need to backup twice with the script value set to "1" and the other at "2"?

    What does this text: But this would be located on RWFS drive but not SD. I think you can find it there (in RWFS). exactly mean also?

  4. #183
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    Quote Originally Posted by kevindd992002 View Post
    I'm assuming the 3790US is one of the "new devices" that needs the "2" value in the script, right?.html#post1020883[/url] ? Does that mean I need to backup twice with the script value set to "1" and the other at "2"?
    No, read with care:
    For newer devices like 3597, 2797 etc (2013 & later)
    3790 is older(2010)

    What does this text: But this would be located on RWFS drive but not SD. I think you can find it there (in RWFS). exactly mean also?
    read here [Only registered and activated users can see links. ] post n7
    It applies to 35XX series (2013 & later)
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  5. #184
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    Quote Originally Posted by catymag View Post
    No, read with care:
    3790 is older(2010)


    read here [Only registered and activated users can see links. ] post n7
    It applies to 35XX series (2013 & later)
    Great, thanks! Sorry, I lost track when the 3790US was bought. I thought it was a 2013 model for some reason.

  6. #185
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    NV (region41) backup with sd, does works for Montana too?
    ------------------------------------------------------------------
    Montana650 - Nuvi1490T -
    iPhone6S (iOS9.3.4) - cracked Nuvi 760
    ----------------------always unpaved----------------------
    tAaKA

  7. #186
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    @panosham
    Montana firmware has 'rrgn/xrgn/ergn' in it so it should work. Takes only a minute or so to make a pack for microSD and try it. It won't cause any harm provided that you ensure use of the correct ldr.bin for Montana [HWID1275].
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
    Please don't spam. Posts serving no purpose other than to thank or to ask about hidden links are trashed or deleted, it's GPSPower's policy. Please don't spam.
    [Only registered and activated users can see links. ] should make their first post as a new Intro Thread in [Only registered and activated users can see links. ].

  8. #187
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    Quote Originally Posted by Neil View Post
    @panosham
    Montana firmware has 'rrgn/xrgn/ergn' in it so it should work. Takes only a minute or so to make a pack for microSD and try it. It won't cause any harm provided that you ensure use of the correct ldr.bin for Montana [HWID1275].
    I did it and worked fine at Montana! Thank you!
    ------------------------------------------------------------------
    Montana650 - Nuvi1490T -
    iPhone6S (iOS9.3.4) - cracked Nuvi 760
    ----------------------always unpaved----------------------
    tAaKA

  9. #188
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    I managed to backup my nuvi and got these files: last_id.bin, Ldr.bin, update.log and update.txt

    with the update.txt content:
    rrgn,41,1:/41.bin
    reboot

    and update.log:
    nüvi 2xx5 Software Version 8.20, UID: 38655XXXXX, HWID: 38655XXXXX
    ------------------------------------------------------------------------------
    Parsing "rrgn,41,1:/41.bin"
    Success
    Parsing "reboot"

    My model of nuvi is the European 2445LM.

    After trying to enable some featuers in my nuvi, I found out that my bluetooth was not able to be activated and further more, my gtm 25 is no longer being able to detected. I decided to restore my nuvi to its previous state by changing the update.txt to:

    xrgn,41,1:/41.bin
    reboot

    and place it along with the 41.bin file created in the backup stage.
    the location is Garmin\Updater\1371\

    However, after inserting the microSD into my nuvi 2445LM, it didn't boot into the software loading mode but loaded as usual and may I know what I have done wrong?

  10. #189
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    Quote Originally Posted by fracessco10 View Post

    However, after inserting the microSD into my nuvi 2445LM, it didn't boot into the software loading mode but loaded as usual and may I know what I have done wrong?
    Try 154 instead of 41.
    All looks ok, but check again files paths and if there are no typos in command (may be spaces) and in files names.
    Do you have reg 139/140 backup? I don't remember if you have to restore them too, but read [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  11. #190
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    1) Do you remove last_id.bin?
    2) 1:/41.bin mean what 41.bin must be in root on SD...
    Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

 

 
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