Chat mode won't work on my note 8

[userGHOOXgXh8J]

Does NOT work to restore chat.

[usern4Wqi7s5pK]

Google note 8 "wipe cache partition"

I did NOT have to factory reset. I'm on the sprint network. 

[userbOus6GvvZV]

Did the cache wipe fix your problem with chat messaging not working??

[usern4Wqi7s5pK]

See comments below...found a fix