Update 1: 2017/10/31 7:22am PDT
WhatsApp has officially announced that deleting a message for everyone is now rolling out to users globally on Android, iPhone, Windows Phone, and desktop. You’ll need to be on
Message recalls have been rumored on WhatsApp for months now and every couple of weeks, we got a glimpse of the functionality in a beta version but it was always a false alert and never properly worked.
[Update: It’s official] Deleting messages on WhatsApp for all recipients starts rolling out was written by the awesome team at Android Police.