Why can't I send pictures?

[AC Question]

why cant i send pictures

i recently changed my phone number and now i cannot send pictures. it says message failed

 

[B. Diddy]

Re: why cant i send pictures

Welcome to Android Central! You changed your phone number or your carrier? Sending pictures via the Messaging app is MMS, which requires mobile data. Is your mobile data (3G/4G) turned on? You may also have to check your APN settings to make sure they're correct.