• If you don't keep your WhatsApp up to date, you can be missing out on some important functions. As a result, it's a great way to keep Whatsaap up to date. The majority of phones automatically updated WhatsApp in the background, but some people disable automatic app updates.
• Select 'Apps' from the 'Settings' menu. From the list of apps, choose 'Google Play Store' and then 'Storage.' 'Clear Cache' is the first option, followed by 'Clear Data.' Reopen the app after clearing the cache and data to attempt upgrading WhatsApp.
• On your Android's home screen, tap the Google Play Store icon.
• The three horizontally stacked lines must be tapped.
• 'My applications & games' will appear.
• Tap 'Update' next to WhatsApp to get the most recent version.

Read More: Why do we need to update the WhatsApp app? What if we don't update?