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  1. C

    SIM900 Customer Flash Loader

    Sorry richdavies, I cannot even find the old version through my normal access channels, nor is it in my list of uploaded files. I think this was a special version that came through a different source sorry C
  2. C

    SIM900 Customer Flash Loader

    I have some firmware files which are attached but no longer have the USB uploader. Please note that I do not represent Simcom and I am unable to provide any technical information or assistance.
  3. C

    SIM900 Customer Flash Loader

    Here you go...
  4. C

    Is there a new Firmeare Version for SIM5218?

    This is the only 5128A firmware version I can find. I do not know if it is correct for you. Please check your existing version and satisfy yourself that it is correct before applying it. Nor can I tell if it will help you or not C
  5. C

    SIM900 Customer Flash Loader

    The firmware posted above is the latest I can find. As far as I know (which isn't very much) EAT is always supported and there is no special firmware version to support it, but I know nothing of multi-tasking support Attached are the Dev IDE 1.07, which is the only version I can find and an old...
  6. C

    [SOLVED] Having Problem with SIM5218.

    Here is build 11 for the 5320A and AD. I found the 5320A in the wrong diectory.
  7. C

    SIM900 Customer Flash Loader

    I do not know the difference between 'sim900a64st firmware and 'sim900a64st_dl firmware, but I have attached them both here.
  8. C

    [SOLVED] Having Problem with SIM5218.

    I can only find formware for the sim5320AD. I do not know if this is compatible or not. The file name is 1575B11SIM5320AD.rar. If this is correct for you let me know and I will make it available here. I do not have access to Windows drivers. I assume the serial port drivers are built into...
  9. C

    SIM900 Customer Flash Loader

    Build 05 is no longer available. Here is the latest build
  10. C

    SIM900 Customer Flash Loader

    See attached zip file. This is all I can find
  11. C

    SIM900 Customer Flash Loader

    Sorry, I can't find any firmware at all for the '900A
  12. C

    SIM900 Customer Flash Loader

    Try These. I have no idea which one is best for you though. Also these files are for the 908 not the 908-C
  13. C

    SIM900 Customer Flash Loader

    Here you go
  14. C

    SIM900 Customer Flash Loader

    Jaruwit: As far as I can see you have the latest version. Attached is the AT Command set document. Maybe the particular command is not supported? Please note that I have nothing to do with Simcom and do not represent them in any way - I am just another engineer trying to help out where I can
  15. C

    SIM900 Customer Flash Loader

    Here is the latest version of sim900 ST firmware to which I have access. EAT functionality is not, I believe a function of the firmware itself, but is delivered through SIM900Dev_IDE and RVCT2.2, neither of which I have access to at the moment, but may be available elsewhere. Please note that I...
  16. C

    sim900 upgrade Problem!! with Customer Fash Loader

    leave Speed setting to default value (115200) and hold down PWRKey during entire operation
  17. C

    SIM900 Customer Flash Loader

    see attached. Have fun C
  18. C

    SIM900 Customer Flash Loader

    The speed setting of 115200, which is the default speed in the flashloader tool is the only one I ever got to work reliably, whatever the module baud rate is. See also my comments above about the power switch input
  19. C

    SIM900 Customer Flash Loader

    Hi Refsmmat You have to make sure that the pwrkey is shorted to ground throughout the entirety of the update process. I can't say for sure but this looks similar to the errors I used to get when I released the pwrkey too early (it was a long time ago).
  20. C

    SIM900 Customer Flash Loader

    Hi Roshan That still seems to be the latest MMS version.

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