SIM900 Customer Flash Loader

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Use LM2576-ADJ... Check out its details at element14.com
 


I own an evaluation board, and it uses MIC29302 to get the 4.2v for the SIM900, it works perfectly!
why dont use LDO if the supplier does?
Also, LDO are considerer better that any DC-DC converter when trying to avoid any noise, since DC-DC could deliver some high frecuency noise that in case of SIM900 could be critical

In other issues, still lookng for 1137B04SIM900B64_SAMSUNG or later firmwares,anyone?
 
I was planning to joke about the fact i replied myself, but i'm a grown up...
Anyway, just sharing...
 

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  • 1137B07SIM900B64_SAMSUNG.rar
    6 MB · Views: 196

I need to use SIM900 to decode DTMF. Any one know how to do, please tell me. I have try many firmware version (B06,B08,B10,B11) only receive "ERROR" when I type AT+DDET=1
Thanks
 

u should upgrade your firmware to version 1137B08SIM900M64_ST_DTMF_JD_MMS i would attach that here in the post ,

Actually i also faced the same problem after upgrading the firmware it was OK,
 

Attachments

  • 1137B08SIM900M64_ST_DTMF_JD_MMS.zip
    7.5 MB · Views: 307
thank you very much, sherazi. I've done it
 

Is there a similar version for SIM900D?

Is there a version for SIM900D with jamming detection enabled?

Thanks.
 

well i have this file but i dont know if it has jamming detection

I have also attached the application for appgrading sim900 series modules
 

Attachments

  • 1137B09SIM900D64_ST.zip
    7.3 MB · Views: 156
  • Simcom - sim900 Customer flash loader V1.01.zip
    2.1 MB · Views: 207

hello Sherazi can you uplaod latest firmware for SIM908 module. My current SIM908 firmware is Revision:1137B03SIM908M64_ST
Thanks in advance.
 
Last edited:

Sim900 can be drives easily! so, can we drive Sim908 as easy as sim900?
 

Hello Chipseller can u please get me latest firware for SIM908/SIM908-C modules. MY current Firmware is SIMCOM_SIM908 Revision:1137B03SIM908M64_ST. Thanks In advance.
 

Hello everyone I just got latest firmware for SIM900 , it B11 version , sharing it , hope will help u.
 

Attachments

  • 1137B11SIM900M64_ST.rar
    6 MB · Views: 177
Reactions: sherazi

    sherazi

    Points: 2
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Last edited:
Roshan said:
hi,
how can i get username & password of ftp://simcom.exavault.com





any idea?
Click to expand...


try these .. if any one have username password plz share!
username :myd
password : myd

---------- Post added at 11:51 ---------- Previous post was at 11:48 ----------
chipseller said:
Hi techie

The Sim FTP site is up again now, so here are two documents which may help you transfer to the sim900
Click to expand...

whats the site??
 
my current version of Sim908 is 1137B03SIM908M64_ST

anyone has latest version of sim908?
 

Does anyone have firmware for SIM900 which can decode DTMF and have whiteList function?
I have found only one firmware for DTMF decode (1137B08SIM900M64_ST_DTMF_JD_MMS), but it has not got whiteList function. Does any one have firmware that have DTMF and whiteList function, please share me. Thanks
 

I just want to make sure I am getting this straight. I have an EVB and SIM900 modems. The Firmware that is pre-loaded is Revision:1137B11SIM900M64_ST.....Am I understanding correctly, that in order to access the MMS AT commands....I have to change the firmware? It currently spits out errors when I try to use any of the MMS commands.

Thanks in advance,
Amie
 

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