Hello,<br><br>I have the problem connecting to the phone with osmocom tool. For what I have read on this list trying to run helloworld example app should work, and if there are problems connecting they stem from the cable/adapter being low quality.<br>
For now I have tried with three different usb-rs232 adapters (2 on winchiphead ch341 chip then I switched to  prolific PL-2303 chip) and with 3 different phones (1xC155 and 2xC121) but in any of those configs I am not able to successfully run helloworld - it doesn&#39;t receive &#39;prompt&#39; message as written in wiki - CompalRamLoader. Instead for C121 I always get:<br>
<br>./osmocon -p /dev/ttyUSB0 -m c123  ../../target/firmware/board/compal_e88/hello_world.compalram.bin <br>got 1 bytes from modem, data looks like: 00  .<br>got 1 bytes from modem, data looks like: 7e  ~<br>got 5 bytes from modem, data looks like: 82 bf 7d fd 7f  ..}..<br>
got 1 bytes from modem, data looks like: 00  .<br>got 1 bytes from modem, data looks like: 51  Q<br>got 1 bytes from modem, data looks like: d2  .<br>got 1 bytes from modem, data looks like: 51  Q<br>got 1 bytes from modem, data looks like: 0a  .<br>
got 1 bytes from modem, data looks like: 3a  :<br>got 1 bytes from modem, data looks like: 02  .<br>got 1 bytes from modem, data looks like: a3  .<br>got 1 bytes from modem, data looks like: a3  .<br>got 1 bytes from modem, data looks like: da  .<br>
got 1 bytes from modem, data looks like: 00  .<br>got 1 bytes from modem, data looks like: 00  .<br><br>I tried to stty different port speeds but still only got above sequence.<br>Have you got any suggestion what could be the problem or what direction should I follow to get it working?<br>