Why won't my J5 send long texts?

[AC Question]

why won't my J5 send long texts?

When I try to send a long text it will not send

 

[B. Diddy]

Re: why won't my J5 send long texts?

Welcome to Android Central! SMS has a 160 character limit. If you go over that limit, it might be trying to send as an MMS message, but this requires mobile data to be on--is yours on?