How to unblock a number in my Galaxy J7

[AC Question]

Can't send or recieve text messages... Cause, i being block.. Would love to unblock this number

 

[B. Diddy]

Welcome to Android Central! See if this helps: https://support.t-mobile.com/docs/DOC-30311

If someone else is blocking you, then there's nothing you can do about that (besides trying to contact the person some other way and ask them to unblock you).