Update: My Nexus 6 Day 33.
Topic: Screen Burn-In
Upon reading about others claims of screen burn in, I took it very seriously. Over two decades of using high end workstation laptops and my burning desire to continue to stay the course with my continuing education, I'm quite familiar with various display technologies. Burn in is not news to me, with a full understanding of the situations and conditions that can exacerbate it, on Oct 28 I deliberately decided to shelve all my other smartphones and use my Nexus 6 as my only Smartphone each and every day.
The goal was to see if my typical day consisting of six to ten hours of screen on time would cause burn-in on my Nexus 6. Yes, six to ten hours, not a typo, not exaggerated, just a fact. I am a very heavy business centric, highly mobile smartphone user.
I find this Nexus 6 so ideal for me, there's no way I'm going to send it back or sell it based on Internet based reports. It's why I buy almost every new flagship Android that's of any interest to me. The only evaluation that matters to me is based on the phone that's in my hands for a minimum of a months use.
Thus far I am happy to report that a very critical, close, magnified inspection under a high intensity light in the engineering lab at work reveals absolutely no burn-in, even viewed from the most extreme angles.
What does this mean? That my phone and my phone only, shows no signs of burn-in after approximate two hundred sixty hours at 75% brightness is looking like new.
Respectfully to those claiming burn-in, I'm _Not_ disputing your claims. I'm not diminishing your concerns or the possibility / probably that there is a problem.
My report is just that, my report on one phone only.
Good luck to all...