If you want to try an older version at your own risk, you can find them on reputable third-party repositories. Be cautious of unofficial "Mod" versions (like GBWhatsApp or WhatsApp Plus), as they can compromise your privacy or lead to account bans.

Quick practical steps to try (decisive approach)

If you still wish to attempt a manual installation, use reputable third-party repositories that verify APK authenticity. Note that even these may no longer function for active messaging. APKMirror - WhatsApp Legacy

about "modded" APKs. These unofficial files often claimed to bypass the version limits but actually carried risks like stealing data accessing cameras The New Chapter About supported devices | WhatsApp Help Center

If you must use it on an older device, you can still find legacy APK files on third-party sites, though they may no longer connect to WhatsApp services. Legacy APK Downloads (Android 4.1+)