same unit user here, i haven't experienced the same and hopefully not.
Maybe you accidentally lean on it or put your phone inside a tight
pocket or carrier that put extra force on the phone's screen affecting
the display part.
actually they do have, a samsung unit swapping. But, you need to visit
their physical store for the evaluation of your phone which i think this
time is quiet inconvenient and you need to add sum depending on the
market value of your phone and to the ...