djrakowski Q&A Team May 4, 2011 1,775 13 0 Visit site Mar 25, 2018 #2 Which messaging app are you using? In WhatsApp, grey check marks indicate that a message was delivered but remains unread, and the check marks turn blue once the message has been read. Upvote 0 Downvote
Which messaging app are you using? In WhatsApp, grey check marks indicate that a message was delivered but remains unread, and the check marks turn blue once the message has been read.