Can`t send or recieve picture text

Beny

Member
The issue with my Galaxy S4 is that I can`t send or recieve picture text.
If I try to send one it says "invalid destination adress". I was thinking about checking the APN settings but I dont know how and where...
I`ve unlocked the developers options and I`m thinking about resetting it and maybe I`ll be able to use the phone after .. I don`t know what to do . Can anyone help ?
 
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