https://community.sony.no/t5/z-series/black-screen-during-calling/m-p/3616059#M119990 <P><A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1169131">@buco888</A></P><P>Either there's something blocking your proximity sensor (like a screen protector, a case, or some dirt) or the sensor is not functional anymore. If you are sure that nothing is blocking it then you should contact your <A href="https://community.sony.co.uk/t5/c-sonymobile/Local+support/pd-p/contact_us" class="lia-product-mention" data-product="13-1">Local support</A>&nbsp;or any 3rp party repair shop to get it examined by a professional.</P> Wed, 11 Jul 2018 05:05:31 GMT Qatrium 2018-07-11T05:05:31Z https://community.sony.no/t5/z-series/black-screen-during-calling/m-p/3616058#M119989 <P>When making phone call, the screen goes totally black. Sound stays on. Only after few minutes call ended,&nbsp; screen comes back on.&nbsp;</P><P>Pls advise, thanks.&nbsp;</P> Wed, 11 Jul 2018 02:36:29 GMT https://community.sony.no/t5/z-series/black-screen-during-calling/m-p/3616058#M119989 buco888 2018-07-11T02:36:29Z https://community.sony.no/t5/z-series/black-screen-during-calling/m-p/3616059#M119990 <P><A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1169131">@buco888</A></P><P>Either there's something blocking your proximity sensor (like a screen protector, a case, or some dirt) or the sensor is not functional anymore. If you are sure that nothing is blocking it then you should contact your <A href="https://community.sony.co.uk/t5/c-sonymobile/Local+support/pd-p/contact_us" class="lia-product-mention" data-product="13-1">Local support</A>&nbsp;or any 3rp party repair shop to get it examined by a professional.</P> Wed, 11 Jul 2018 05:05:31 GMT https://community.sony.no/t5/z-series/black-screen-during-calling/m-p/3616059#M119990 Qatrium 2018-07-11T05:05:31Z