Chatty not displaying sent or received MMS on my librem 5 but delivering is ok ( a new sim problem ?)

I would say “no”.

The bottom line is that each individual mobile virtual network operator (MVNO) in the world is different for MMS - requires different settings for MMS. So if you changed SIM to a different MVNO and MMS stopped working then
a) you probably need to change MMS settings, and
b) at the current time, MMS may or may not work at all with that MVNO.

Your easiest option would be to find someone in this forum who is in your country and using the same MVNO and has MMS working … who can tell you what the correct settings are.

Maybe review: (yet another) MMS issue (France)

1 Like