Update WhatsApp on iPhone to version 2.25.21.73 or newer for the security patch..WhatsApp Business users must install version 2.25.21.78 on iOS and Mac immediately..Open App Store, search WhatsApp, and tap Update to apply the fix..Install iOS 18.6.2 or iPadOS 18.6.2 to patch Apple’s related zero-click flaw..Mac users should head to System Settings → Software Update for the latest patch..If WhatsApp issues a threat notification, perform a full factory reset immediately..Backup your data securely before factory resetting to prevent permanent loss..Enable Lockdown Mode on iOS under Privacy & Security for advanced protection..Confirm WhatsApp update via Settings → Help → App Info showing version 2.25.21.73+..Read More Stories.Join our WhatsApp Channel to get the latest news, exclusives and videos on WhatsApp