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  1. #171
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    aekhong's Avatar
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    I also know about restore/change model number by xrgn,41 from other unit.
    I guess it's not a big problem for Alex (and he can restore model number easily by the other ways).
    ---------------------------------------
    warning :: To do xrgn,41 from other unit may stop booting at Garmin logo and won't be flashed xrgn by card.,
    GPS Lover.
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  3. #172
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    Quote Originally Posted by Alexander2010 View Post
    Model number - this is only appearance. All functions can be enabled via xml to 37xx. In the earlier models (1xxx, 2x5) model number does not affect the function.
    Interesting if we can add 3D Building ability/3D Terrain to 3750 or 37xx (lost model number) by just using .xml not firmware/memory patching.
    GPS Lover.
    974c07a6a129e2e0917a011314c2c0bd

  4. #173
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    warning :: To do xrgn,41 from other unit may stop booting at Garmin logo and won't be flashed xrgn by card
    What if xrgn, 41 is made using a backup of original unit (rrgn, 41)? Still problematic?
    Last edited by fringe; 12th December 2011 at 11:01.

  5. #174
    Navigation software expert Kanopus's Avatar
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    Clearing region 41 you removes registration code and unlock codes too, all this data should be visible in GarminDevice.xml. The original map, that came with nuvi would become locked.

    You can restore 41 if you have a backup form your device.
    Thanks, Kanopus

  6. #175
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    Quote Originally Posted by Alexander2010 View Post
    After installing unoriginal firmware good way to clear NV is
    ergn,41
    But you lose your model number (not big problem)
    And NEVER erase regions 05 and 43 - it kill your device.
    if erase then write before reboot will kill?
    I tried to overwrite without erase before but it didn't do the job.

  7. #176
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    Quote Originally Posted by bpb View Post
    I tried to overwrite without erase before but it didn't do the job.
    Check syntax.
    From Kanopus post on another thread:
    Quote Originally Posted by Kanopus
    ..... run rrgn,140,1:/dump140.bin, edit dump and run xrgn,140,1:/dump140.bin
    No suggestion there of any need to erase ANYTHING before writing. If it didn't update you may have file path/name syntax error?

  8. #177
    Navigation software expert Kanopus's Avatar
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    For me it works without erasing, but adding erase before writing doesn't interfere.
    Thanks, Kanopus

  9. #178
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    Quote Originally Posted by Kanopus View Post
    For me it works without erasing, but adding erase before writing doesn't interfere.
    including regions 05 and 43?

    Other region I can overwrite but not for 05 and 43.

  10. #179
    Navigation software expert Kanopus's Avatar
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    I wouldn't try to erase or write regions with code. Better not experiment on 5 and 43 if you aren't sure what you are doing.
    Thanks, Kanopus

  11. #180
    Important User Alexander2010's Avatar
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    bpb, NEVER erase regions 05 and 43!!! Your device will be dead with 100% probability!!!
    Sony SL10=>HP 1930=>1940=>Toshiba e755=>Loox N520=>Acer n311+Huawei ETS688=> Fujitsu-Siemens Loox N560 WM6=>Dell Axim x51v=> Huawei s7 s-105 (FW 2.2.2 Sweden) + Nokia N78. Garmin Forerunner 405. I love flash Garmin devices.

 

 
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