: Devices like the iPhone 5 are capped at iOS 10.3.4 because they use 32-bit processors, which cannot run the 64-bit software required for modern WhatsApp versions. Apple Support Community Technical Challenges with IPAs While you may find older
With a standard Apple ID, sideloaded apps expire after . You must reconnect your iPhone to your computer and re-sideload the IPA every week. If you let it expire, WhatsApp will refuse to open until you reinstall (your chats remain intact if you don’t delete the app). whatsapp ipa ios 10.3.4
A: You forgot to trust the developer profile (Settings > General > Device Management). Or the 7-day certificate expired. : Devices like the iPhone 5 are capped at iOS 10