A: Modern WhatsApp requires Android 5.0+. The last WhatsApp version for 4.4.2 (2.21.23.22) no longer connects to servers. You cannot use modern messaging apps.
: If the Play Store remains broken, consider using lighter alternatives like APKPure or Aptoide, which often have better compatibility with older hardware.
Since the built-in Play Store may not update itself on such an old OS, you can manually sideload a compatible version:
Once you have secured a safe, compatible APK file: