But I believe you are right that 99.9% of people who own an iPhone will not migrate to a Lumpia.

I think this phone and its siblings will take some market share away from Android, but not so much from iOS.

I'd expect better sales than Gartner are predicting, from a combination of corporates wanting Windows, Apple haters, and people fed up with the mess that is the Android OS upgrade system,

Nokia is just going to get a slice of the same market that would have existed without them.