: Use TWRP to wipe your system partitions, flash the downloaded custom ROM zip file, and flash the corresponding Google Apps (GApps) package.
Using WhatsApp on an outdated OS like 4.4.2 poses several risks: About supported operating systems | WhatsApp Help Center whatsapp android 442 top
[Modern App Features] ---> Requires Advanced APIs ---> Missing on Android 4.4.2 [End-to-End Encryption] -> Requires Modern Protocols -> High CPU Overhead on Old Chips [Meta AI Integration] -> Requires High Memory -> Hardware Bottlenecks 1. Security Architecture : Use TWRP to wipe your system partitions,
The real answer to their query is not a download link, but a eulogy: "Your phone had a good run, but WhatsApp no longer exists in a 'top' form for KitKat. Back up your chat history to Google Drive now, and start shopping for a new phone." Back up your chat history to Google Drive