Use a hidden button/menu (if it doesn't prompt automatically) to show the QR code.
: Historically, users bypassed the "Update Required" screen by using iFile or Filza to navigate to /System/Library/CoreServices/SystemVersion.plist and temporarily changing the ProductVersion from 6.1.3 to a newer version (like 7.0 or 12.0 ) during the activation process. whatsapp ipa ios 6 patched
