Why WhatsApp Has Stopped Working on Millions of Phones (and How to Fix It)
by Brendan Hesse from Lifehacker on (#4WE8C)
WhatsApp just dropped support for another round of older versions of iOS and Android. As described in WhatsApp's recently updated system requirements, your device must run at least iOS 10 or Android 4.1 to access WhatsApp after Nov. 1, 2021.