WhatsApp has announced that some older iPhone models that are currently supported won't be able to use WhatsApp as of May 2025.WhatsApp requires iOS 12 or later, but it will soon change the list of supported devices to iPhone models running iOS 15.1 or newer.The iPhone models that will lose WhatsApp support are iPhone 5s, iPhone 6, and iPhone 6 Plus.After May 5, 2024, users will have to update their iPhone to at least iOS 15.1 to use WhatsApp.