: Even if you successfully install an older APK, you will be unable to register a new account or send/receive messages because the version is officially retired. How to Check Your Version
If your device is stuck on Android 4.4.4 and cannot be updated through official system updates: whatsapp apkpure android 4.4.4
Android running OS 5.0 and newer* iPhone running iOS 15.1 and newer. WhatsApp Help Center About supported devices | WhatsApp Help Center : Even if you successfully install an older