As of late 2024 / early 2025, WhatsApp has blocked most versions older than 2.22.x. There is a that WhatsApp 444 will display a red banner: "Please update WhatsApp to continue using this account." You will be forced to update via the Play Store, defeating the purpose.
In 2021, thousands of users searched for the "last compatible version" of WhatsApp for KitKat (usually version 2.23.18.79 or similar).
. However, since late 2023, WhatsApp has officially dropped support for this version, and as of January 1, 2025 , it can no longer connect to servers on these devices. Android Police WhatsApp Support Status (2021 vs. Present) About supported devices | WhatsApp Help Center
Downloading from third-party sites bypasses Google’s Play Protect. This creates a massive vector for Darjeeling Police
When an app like WhatsApp becomes essential for government services, education, and banking, losing support on an older OS effectively "de-platforms" lower-income users from modern society. Summary Checklist for Android 4.4.4 Users