@wladi_1981 I am confused. Look at this thread Unable to send MMS - #3 by atlochowski
I made PR https://github.com/sailfishos/mobile-broadband-provider-info/pull/1/commits/32c6de94cd29be061f40279f4b06880b40871172
and because of your port I don’t know if it’s good.
I am Orange user and I don’t have Play SIM card so I can’t check it by myself.