Why am I only suddenly able to message certain people on my contact list?

[iMore Question]

Why suddenly I can only message certain people on my contact list

The people I can message names are in color, the rest are in black

 

[natasftw]

Re: Why suddenly I can only message certain people on my contact list

Do you have a screenshot?
What iOS are you on?
Did you have cell access at the time, WiFi, or both?