To download WhatsApp old version for Android 2.3.6, you can try the following steps:
Since the Google Play Store only provides the latest version, you must turn to third-party APK repositories to download older versions. It is crucial to use trustworthy platforms to minimize security risks. Download Whatsapp Old Version For Android 2-3-6
You will likely encounter an error message during the phone number verification step stating that the version of WhatsApp is too old or no longer supported. To download WhatsApp old version for Android 2
Using a computer or another device with internet access, browse to a trusted APK repository. APKMirror is recommended due to its reputation for security and its detailed version history. Using a computer or another device with internet
https://www.apkmirror.com/apk/whatsapp-inc/whatsapp/whatsapp-2-18-305-release/
While messages are encrypted in transit, media sent between 2019 and 2020 used weaker protocols. Avoid sharing sensitive images.