Show me the tiny Android flagship from the past 5 years that didn't sell well. (You can't, because there wasn't one.)
According to this article
> The ASUS Zenfone 10 is a compact flagship Android phone from ASUS. Sporting a little 5.9-inch display
Though you have to argue it's not tiny. (Don't think it sold all that well, though, at least not mainstream.)
If we're counting 5.9" we might as well count the Galaxy S series at 6.1". (My choice of phone, incidentally.)
Yeah, because in the 5 years before that, the much MUCH more diverse Smartphone industry tried to make it work for several YEARS and failed.
Of all companies, Sony had the longest stamina, releasing 5 generations of 'compact' flagship devices.
If there would have been a sufficiently sized market for that, they would have continued and grown. In reality their business decreased every year.
Today the Smartphone is dominantly a media-consumption device, the only viable answer to "tiny Android flagship" is now a foldable like the Galaxy Flip.
https://www.gsmarena.com/asus_zenfone_10-12380.php