I was on NG3 rooted. I downloaded the NG4 full tar from here and upgraded via mobile odin pro. I noticed after attempting to send a couple of MMS messages that it would fail to send. I realized after being advised here that mobile odin doesnt upgrade the bootloader. So I upgraded the bootloader via odin on pc using the firmware only tar using the ap slot. Still MMS wont send. Any ideas why this is happening?
maybe mobile data needs to be turned on. usually mms only works if data is on
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