I am being charged each month for
A) inadvertently sending MMS messages and
B) receiving MMS messages
So I would like an option to stop Mms messages from being sent from my phone.
I would also like incoming mms messages to be bounced with an auto reply to sender saying that I am not accepting MMS messages please use another app such as WhatsApp!
Thank you. Happy to provide further ideas if it helps. Used to be a software designer but NOT a writer.
This is what the settings for AOSP Messaging app has for this, just for ideas:

Would love a switch to turn off MMS, have given the phone to my kid and immediately regretted that. MMS is very costly, where SMS is actually free...
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This is what the settings for AOSP Messaging app has for this, just for ideas: