The app uses newer Apple developer tools that are not compatible with the outdated architecture of iOS 10. App Store Restrictions: You generally cannot download or verify the app on the if your device is running an unsupported iOS version. Apple Discussions Are there any workarounds?
Based on your query, it seems you are looking for a post regarding , specifically mentioning the build number 10.33 (or potentially referring to iOS 10.3.3). whatsapp for ios 1033 work