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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" ?
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 can´t make it work, it always give an error after the message "Flash Loader downloaded in RAM". The error is "err 506", and I...
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