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Thread: Recover a bricked MTH800

  1. #1
    Member Reputation: 47
    Join Date
    2012-12-29
    Posts
    67


    Default Recover a bricked MTH800

    hi!

    i already posted to a similar thread some years ago, where i even helped a user to unbrick his radio, since i was able to unbrick one of my radios.
    now i have bricked one of my radios again, however, i can't get it into flash mode with my rs232 cable. i confirmed, that the cable works by connecting it to a working radio in normal operation mode and using scout to see, if data comes through.

    here's what i tried, that didn't work:
    bricked radio + rs232 cable + real serial port
    bricked radio + rs232 cable + usb-serial adapter
    working radio + rs232 cable + real serial
    working radio + rs232 cable + usb-serial
    all of them with and without a charger connected to the rs232 cable

    i even used the exact same setup as some years ago (same old laptop, same usb-serial adapter, same rs232 cable, same radio, same cps+ 6.2 depot), but the cps won't even detect the working radio with the rs232 cable.
    and yes, i tried it with pressing 1+9+power and without pressing those buttons.

    what step am i missing, that did the trick last time? ;D

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  3. #2
    Member Reputation: 118
    Join Date
    2010-08-22
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    Default Re: Recover a bricked MTH800

    Hi,

    'basic' RS-232 cable or FLN9636 Flash cable ?

  4. Thanks nintrew thanked for this post
  5. #3
    Member Reputation: 47
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    1 out of 1 members found this post helpful.

    Default Re: Recover a bricked MTH800

    it's actually a NKN6544B, which is used to program iDEN radios. but as i said, it worked perfectly last time


    edit: i just found out, that it has the same pinout as a PMKN4025, so it might just have been luck at my first try.
    thx, -bup-, i will get the correct cable ;D
    Last edited by nintrew; 2018-04-27 at 01:12 PM

  6. Thanks pcsugus thanked for this post
  7. #4
    Junior Member Reputation: 10
    Join Date
    2017-04-17
    Posts
    16


    Default Re: Recover a bricked MTH800

    Are the same NKN6544b and PMKN4025 for recover a MTH800?

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