If it has a hexacor processor A11cpu, allows browsing, word processing, etc.Multiple windows open.Biometric or fingerprint readers.
Best guess on topic, or has been since iPhone 4, they call them smart for a reason.
Security patches, updates to 64-bit operating systems, bugs, malware, ransomeware, etc. Digital certificates.
So yeah, I’d say it sure sounds like a computer - both for smartphones and pads.
wasn’t that long ago that Windows phone were sold, Android is still a debatable smart device to me, updates on same os, are slow and far between manufacturers.
Can I write and run C++ or Fortran programs, e.g., image processing programs, on them? I have been doing this on computers since 1965 (punch cards and blinking lights back then, ha, ha). Any machine that I can't use in that manner is not a computer.
So, if I am called "smart," does that make me a computer?