W Windows Central Question Nov 24, 2014 #1 I have an HTC 8s unlocked, with an AT&T sim for Straight Talk. I can't access the MMS APN settings, and thus I can't send MMS messages.
I have an HTC 8s unlocked, with an AT&T sim for Straight Talk. I can't access the MMS APN settings, and thus I can't send MMS messages.