First, sorry for my English.
I feel very fortunate to have a Lumia without major errors. Just any "scroll/tap" issue, and the screen does not distort when pressed, this only occurs at a specific point on the screen, i think that is normal.
I've had a Lumia 800, a terminal full of errors. Manufacturing errors that made me lose faith in Nokia.
And now, a model, the 1520, with very grave errors will not be corrected by nokia, because they are design errors... Design errors affecting an incredibly high percentage of users.
As I said earlier, I consider myself fortunate to have "only" the scroll&tap issue, casually. But it's frustrating because I've never, never had a phone with this problem.
... and I'm on the "Lucky side"...
Sorry, but I have to be realistic. Nokia & Microsoft have lost the ability to create quality terminals. The Lumia brand, always, always fails at something. My next phone will not be Nokia, sure.