Dear @Mattias_ASUS,I saw a post in the Zenfone 9 forum about a similar MMS issue "Can't send or receive MMS" which provided an answer and fix to my issue. I followed the instructions for defining the MMS APN as per Google search "Belong MMS Mobile se...
Hello @Mattias_ASUS ,Thank you for following this up. The provider for my primary mobile phone service is Belong in Australia. Belong is a subsidiary of Telstra and operates as a Mobile Virtual Network Operator on the Telstra 3G , 4G and 5G networks...
I also have this problem of not being able to send or receive MMS. This started after installing firmware 31.1010.0411.138 last month. Strangely, it only affects one of the two SIMs in my phone. The Belong Mobile SIM cannot send or receive MMS, but t...