After the recent firmware update my vivo hr stopped displaying anything. It only shows the Garmin black background with lighted Garmin. The other all percent of the time is blank. As someone with a pacemaker and less than a handful of years left I've relied heavily on my Garmin to know what's going on. My pacemaker records and sends to my doctor but when things start going weird and hard to breathe- when my Garmin's said 154 I go horizontal. Now I don't have anything. I emailed technical support at Garmin 5 days ago and nothing