Sometimes, after you root or flash a custom ROM on your phone/tablet/phablet, you might have trouble sending and/or receiving MMS messages. This includes pictures, videos, recordings, really anything that isn’t just standard text. You’ll know you have trouble if you send a picture and instead of sending you just get a spinning processing icon on your message and it never sends, or if you try to receive an MMS message you’ll just have a download button on the message; when you try to download the message it flickers and then reloads the download button again.