@follower You might try going to Google Play on the web to download it.
https://www.google.com/url?sa=j&url=https%3A%2F%2Fplay.app.goo.gl%2F%3Flink%3Dhttps%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.dexcom.follow%26ddl%3D1%26pcampaignid%3Dweb_ddl_1&uct=1561400182&usg=PiNRZE_iKvEes0to2i_lTe7r3hk
Hope this works!