If you are trying to get WhatsApp working on an older device for a short time, you might want to try to find a legacy APK, but please note that this is not a permanent solution.
If you still have access to your chat history on that device via Wi-Fi, try to back up your chat databases manually or through Google Drive before making any device changes. android 4.2 2 jelly bean whatsapp
If you still own a functional device running Android 4.2.2 Jelly Bean, you have a few paths forward depending on your technical expertise and budget. 1. Upgrade the Device (Recommended) If you are trying to get WhatsApp working
Even if the date is correct, older apps struggle with modern SSL/TLS certificate updates, causing this persistent error Android StackExchange . android 4.2 2 jelly bean whatsapp