I am currently trying to upgrade the firmware of my RM520N-GL, since I started having problems connecting to 5G NSA networks.
I am using the latest version of QFlash (v6.6) and I have tried multiple firmware versions. I have also tried different baudrates, but no success.
I am using a Windows XP 32-bit inside a VM on a Mac system. All drivers seem to work fine.
When I start the flashing process, it switches the device to EDL mode (emergency download loader?). Then my COM port changes from 31 to 4.
All seems to go fine, till I hit an error “DL rawprogram fail”…
I saw some people with different QFlash version (v5.4 and also some v4) had success with a similar problem.
Can anyone make older versions of QFlash available to me?
If not do you have any other hints?
So… I managed to find another compute, with a recent version of Windows installed, and it worked without an issue. I guess the problems came from the fact that I was using Windows XP.