Use the browser on your 4.4.2 device and navigate to web.whatsapp.com. This often works better than the app, though it requires a slightly updated browser (like an updated Chrome or Opera).

To ensure compatibility, make sure to download a WhatsApp APK version that supports Android 4.4.2. Here are some WhatsApp APK versions compatible with Android 4.4.2:

Many older smartphones feature processors capable of running lighter versions of Android 6.0 (Marshmallow), 7.0 (Nougat), or higher.

This phone belonged to Elena, a 78-year-old retired botanist. She didn't need a folding screen or a hundred-megapixel camera. She needed exactly two things: her plant identification app, and WhatsApp.

However, some features might not work or be limited on older devices or Android versions, such as: