problem using text msg

[paki]

  hi dear when I type msg and msg goes long then 1 it become mms and not sent to any body.i found no setting in device.plz tell me solution

[Samuel1]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

Does this happen when you use just normal characters in the message or are you using smileys/emojis?