Go to Settings > About Phone > System Updates to see if your device can be upgraded to Android 5.0 or higher.
App developers must continuously update their platforms to maintain system integrity. WhatsApp phased out support for Android 4.4.2 due to several critical factors: whatsapp for android 442
Warning: WhatsApp often forces users to upgrade their app, meaning even if you install an old APK, it may tell you it is outdated after a few days and prevent you from using it. 3. Risks of Using WhatsApp on Android 4.4.2 Go to Settings > About Phone > System