Cannot send or recieve mms

I ported my number from verizon to straight talk i can recieve and send texts but cannot recieve or send mms. I was giving many different apns and none which worked for the mms need help ported using a new straight talk verizon byop sim card I have a galaxy note 9

Go to Straight Talk's Facebook page (that's where their best support people are) and ask for assistance. It may depend on where you live, or you may need to do a PRL update (*228, then choice 2, which you can try before asking Straight Talk).