You might find old versions of the official WhatsApp APK (like version 2.23.9.x) on third-party hosting sites. However, installing them will not work. WhatsApp uses a strict server-side verification system. When you try to log in, the app connects to WhatsApp servers. The server detects the outdated client version and blocks the connection. You will see an error message stating that the version of WhatsApp has expired. The Danger of "Working" Modified APKs (WhatsApp Mods)
Official developers do not make these modified files. Hackers often bundle malware, adware, or spyware into the APK. Installing them can expose your personal data, photos, and passwords. Account Bans whatsapp apk para android 412 work