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  1. #1
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    SIM900 Customer Flash Loader

    Hi,,
    I'm seaching for "sim900 Customer flash loader V1.01"
    named in the AN_SIM900_Update Tool_UGD_V1.01, attached here

    Give me a reply,

    Best regards

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    Re: SIM900 Customer Flash Loader

    Hi Friend,
    How are you? I want to connect SIM900 with computer for my testing.... So for this purpose I want to make PCB with serial interface. Can you pls help me to design this PCB ? I would appreciate if you will help me out.

    Regards,
    Ali Ahmad


    1 members found this post helpful.

  3. #3
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    Re: SIM900 Customer Flash Loader

    May be this one? Have fun!
    SCR.png
    Note: Look attachment


    8 members found this post helpful.

    •   Alt8th November 2010, 05:06

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    Re: SIM900 Customer Flash Loader

    Dear Friend,
    Thanks alot for your reply but I don't want to upgrade the SIM900 Firmware. I want to connect it on computer via serial for testing on hyperterminal like EVB so if you have any information about it pls let me know how do I design its pcb? I would appreciate your understading on the quoted question.

    Regards,
    Ali



  5. #5
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    Re: SIM900 Customer Flash Loader

    Quote Originally Posted by crackerboy View Post
    May be this one? Have fun!
    SCR.png
    Note: Look attachment
    SIMCOM FLASH UPDATE TOOL V1.10 (DVersion) have not sim900 in list box !?

    Where I can find flash tool for SIM900 and firmware v7 flash file ???



  6. #6
    fmp
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    Re: SIM900 Customer Flash Loader

    Hello, here you go...

    See that the .pdf attached is a little newer than yours. It shows that the flash loader tool uses .cla files to upgrade.

    I have to tell you I canīt make it work, it always give an error after the message "Flash Loader downloaded in RAM". The error is "err 506", and I canīt find what itīs. Please let me know if it works for you !! Lucky for you...


    3 members found this post helpful.

  7. #7
    fmp
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    Re: SIM900 Customer Flash Loader

    Hello Coleagues,
    I can finally make it work !! It was just a problem of data rate, it was selected "1152000" instead of "115200"....Unbelievable, but I have lost 1 day because of this !!

    By the way, does anybody have a Firmware version "1137b07SIM900b32_ST" ?



  8. #8
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    Re: SIM900 Customer Flash Loader

    Does anyone have this flash version:

    1137B06SIM900D64_ST

    Thanks.



  9. #9
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    Re: SIM900 Customer Flash Loader

    Kosh - can you confirm the firmware rev please? There are no 1137B06... versions on the Simcom FTP site. They go from 1137B05.. to 1137B07...


    1 members found this post helpful.

  10. #10
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    Re: SIM900 Customer Flash Loader

    I've got that version. Also got the B07 and B08 versions.

    Thanks.



    •   Alt4th May 2011, 17:20

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  11. #11
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    Re: SIM900 Customer Flash Loader

    Sorry then, theres not much I can do



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    Re: SIM900 Customer Flash Loader

    Hi fmp

    on the Sim900 EVB there is a switch called "Download" which is in parallel with the PWRKEY. This must be on otherwise you get various errors including the err 506. See attached file SIM900-EVB_v1.01_DL.pdf. Basically just short the PWRKEY inpit on the SIM900 to ground while downloading.



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    Re: SIM900 Customer Flash Loader

    This image shows all of the current SIM900 releases.

    Any others have been withdrawn by SIMCOM




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    Re: SIM900 Customer Flash Loader

    thank fmp. I can update with speed 115200.

    I need firmware B08. Does anyone have flash version B08?



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    Re: SIM900 Customer Flash Loader

    Chaitana

    Please let me know which version you currently have (32 or 64) - use AT+GSV to get the version and I will post the appropriate B08 version on Monday


    1 members found this post helpful.

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    Re: SIM900 Customer Flash Loader

    chipseller

    I use Revision:1137B07SIM900M64_ST. I found on this thread. Before update sim900 is xxxxB05SIM900XXX_ST. I have 2 sim900 in this release. Other I not sure. It's waiting for process not on pcb.
    After update, I can fix problem on AT+CREG to register sim to provider. Some time, On XXXB05 I wait 1 minute to register. I think, SIM900 found some problem. So SIM900 retry in 1 munute.
    In my application ( prepaid mobile topup machine ) use 3 sim switch to SIM900 for 3 operator. It take many switch on/off. more many problem on new AT+CREG to register sim.



  17. #17
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    Re: SIM900 Customer Flash Loader

    here is the version you need Chaltana. Please let me know if I can assist you further


    2 members found this post helpful.

  18. #18
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    Re: SIM900 Customer Flash Loader

    Hi chipseller could you please help me, I need 1137B03SIM90032_ST o 1137B07SIM90032_ST I canīt find them.



  19. #19
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    Re: SIM900 Customer Flash Loader

    Hi Lucho1045
    1137B03SIM90032_ST is no longer available from the simcom vault. I have attached 1137B07SIM900A32_ST


    4 members found this post helpful.

  20. #20
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    Re: SIM900 Customer Flash Loader

    Where is it attached?

    Ok thanks.



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