Thanks pvouzis.
For the ones who are wondering, after the update, the loader will be there :
C:\Program Files\Sierra Wireless\Embedded Software\com.wavecom.openat.ide.spm.fw.model.7.51.0.201205311751_7.51.0.201205311751\resources\swift\dwl.dwl
This file is important to me, because I can’t rely on DS for the updates on field.
I had to implement my own process with XModem protocole.
The current loader version is V09c08.