Fix for Nokia Lumia 920 Fluctuating Brightness After Windows Phone 8 Update

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One of the areas that was addressed in the Windows Phone 8 OTA update that was published yesterday for Nokia Lumia handsets was better battery life. One of the ways they implemented some savings was related to screen brightness.

After the update I experienced a very strange issue with my phone in that the brightness of the screen kept fading from high to low as I was using the handset.

The brightness would range from bright to dim as I was using the handset in the same location.  A restart of the phone did not help clear things up and in order to stop it I had to set the phone to medium brightness.

I sent a tweet out and asked if anyone else was experiencing this issue and three people replied back that it was also happening to them.

This morning Twitter user Louie (@kappalouie) sent me a tweet to say he had fixed his by opening the phone in a dark room so the sensors could calibrate to the darkness. He told me in a subsequent tweet that he found this suggestion via a comment on the forums at WP Central.

So I did what any good geek would do. I went into my closet, closed the door and performed the dark room calibration and it solved the fluctuation of the brightness!

Let us know if you see this error and if the dark room calibration technique works for you.

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11 thoughts on “Fix for Nokia Lumia 920 Fluctuating Brightness After Windows Phone 8 Update

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  4. >I went into my closet, closed the door and performed the dark room calibration and it solved the fluctuation of the brightness!

    So.. how does one do a “dark room calibration”?

        • I got a Lumia 920 recently, and decided to come back and try this.

          My brightness would usually fluctuate while just sitting on my desk. I just did the calibration in my closet, and it doesn’t seem to be fluctuating as much now.

          I don’t know if it’s fixed for sure, but it appears to have had an effect!

          • I have found it does not solve the fluctuation 100% but it does even it out a lot than just leaving it at the default. I have found myself setting the brightness to Medium by default now though to stop it from any changes in and out of light.