Please help me i can not send any pictures at all they keep coming back on my BLU HD phone

[AC Question]

Every time I try to send any pictures they all come back no matter how slow or fast I do it or time of day or night

 

[B. Diddy]

Welcome to Android Central! Is your mobile data (3G/4G) turned on? MMS requires mobile data, not voice signal or wi-fi. Also, make sure your APN settings are correct for your carrier: What is an APN, and how do I change it? | Android Central