Actually the support for Android 5 just ended: https://www.sammobile.com/news/whatsapp-stop-working-some-galaxy-phones-by-next-month/ https://www.sammobile.com/

Actually the support for Android 5 just ended: https://www.sammobile.com/news/whatsapp-stop-working-some-galaxy-phones-by-next-month/ https://www.sammobile.com/news/whatsapp-stop-working-some-ga... But WhatsApp maybe was bad example. Banking applications are bigger pain, since they even force users to mobile over web page these days. > With iOS you have to be much closer to the latest version of iOS to run anything. Which does not actually matter, since you have usually the possibility to update to the latest version.