The update weighs in at some 170MB, approximately. The April security patch addresses eight critical security issues and a number of other high severity problems. Although none of these exploits had been spotted in active use, yet. Handset owners are also reporting that the update includes touch screen improvements and a selection of other stability fixes. A similar update has also been spotted heading out for global models of the handset this month.
If you haven’t received the update notification yet, you can always force a manual check on your Galaxy S7 or S7 edge in the usual way. Just head on over to Settings > About device and hit that update button to see if it’s ready for your handset.