https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470635#M530396 <P>Twice now after sending phone for new battery screeen suddenly goes dull. is not the brightness level as this is up to max and I cannot see any other cause. last time it just rectified itself after a few hours but woudl like to know what is causing this and how to reverse.</P> Sat, 28 May 2016 08:34:13 GMT Donnic 2016-05-28T08:34:13Z https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470635#M530396 <P>Twice now after sending phone for new battery screeen suddenly goes dull. is not the brightness level as this is up to max and I cannot see any other cause. last time it just rectified itself after a few hours but woudl like to know what is causing this and how to reverse.</P> Sat, 28 May 2016 08:34:13 GMT https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470635#M530396 Donnic 2016-05-28T08:34:13Z https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470636#M530397 <P>I also have that same problem but i couldnt get out of it, its till dull now iam very fed up of it...</P><P>I have the Xperia M4 Aqua dual (E2312) version. Plz give me a fast recovery for it.</P><P>Thank You!</P> Sat, 28 May 2016 09:31:37 GMT https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470636#M530397 Zaavik 2016-05-28T09:31:37Z https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470637#M530398 <P>I was also fed up with one problems and another with this phone so phoned Amazon and got a refund. not buying sony again</P> Sat, 28 May 2016 21:29:53 GMT https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470637#M530398 Donnic 2016-05-28T21:29:53Z https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470638#M530399 <P>try to disable adaptive brightness, at settings&gt;displays</P><P>and it would help to have another same device as a comparison,</P> Sun, 29 May 2016 02:18:40 GMT https://community.sony.no/t5/xperia-archive/dull-screen/m-p/3470638#M530399 MarlonUk1 2016-05-29T02:18:40Z