> 10. Is it ever the case that when you use the same APN for Internet and for MMS, you use different user name and/or password for Internet and for MMS?
No
> 11. About how long does it take for ofono to tell whether manually entered APN settings work? One second? Five? Ten?
I will work with Mathieu to get you an exact description of this process and associated timings, as things have recently changed.
@Matthew
Answers to your questions posed in comment #12:
> 10. Is it ever the case that when you use the same APN for Internet and for MMS, you use different user name and/or password for Internet and for MMS?
No
> 11. About how long does it take for ofono to tell whether manually entered APN settings work? One second? Five? Ten?
I will work with Mathieu to get you an exact description of this process and associated timings, as things have recently changed.