here's what we know TechRadar New unpatchable exploit targets Apple devices with A12 and A13 chips 9to5Mac reports: Unpatchable 'usbliter8' Exploit Breaks Apple A12 and A13 SecureROM Boot Chain The Hacker News Older iPhones are vulnerable to a flaw Apple likely can’t fix Mashable A12 & A13 Apple devices face an unpatchable SecureROM vulnerability AppleInsider Apple users told to watch out for 'unpatchable' iPhone security issues - here's what we know TechRadar New unpatchable exploit targets Apple devices with A12 and A13 chips 9to5Mac