https://community.sony.de/t5/z-series/red-layer-on-screen/m-p/3540741#M105922 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1006134">@St7</A>, welcome to the community.</P><P>It sounds like you have an application such as f.lux or Twilight or somethings similar enabled on your phone. These apps will adjust the colour of your display at certain times. The idea is to prevent eye strain at night.</P> Mon, 08 May 2017 03:30:54 GMT CameronT 2017-05-08T03:30:54Z https://community.sony.de/t5/z-series/red-layer-on-screen/m-p/3540740#M105921 <P>My screen phone starts to have a red layer from 20:00 to 8:00 of the next day...</P> Mon, 08 May 2017 02:34:09 GMT https://community.sony.de/t5/z-series/red-layer-on-screen/m-p/3540740#M105921 St7 2017-05-08T02:34:09Z https://community.sony.de/t5/z-series/red-layer-on-screen/m-p/3540741#M105922 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1006134">@St7</A>, welcome to the community.</P><P>It sounds like you have an application such as f.lux or Twilight or somethings similar enabled on your phone. These apps will adjust the colour of your display at certain times. The idea is to prevent eye strain at night.</P> Mon, 08 May 2017 03:30:54 GMT https://community.sony.de/t5/z-series/red-layer-on-screen/m-p/3540741#M105922 CameronT 2017-05-08T03:30:54Z