https://community.sony.cz/t5/c-series/ui/m-p/3636684#M7844 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1262487">@Vicky7771</A>, let me see if I can help out here!&nbsp;</P><P>Could you possibly elaborate your question a bit? System UI is a system app in the phone controlling the interface. For example, do you receive any kind of error message saying that the System UI has stopped?</P><P>Please do elaborate and I will do my best to assist you!&nbsp;</P> Mon, 30 Sep 2019 08:46:42 GMT Martin1 2019-09-30T08:46:42Z https://community.sony.cz/t5/c-series/ui/m-p/3636683#M7843 <P>What is ui</P> Mon, 30 Sep 2019 03:23:59 GMT https://community.sony.cz/t5/c-series/ui/m-p/3636683#M7843 Vicky7771 2019-09-30T03:23:59Z https://community.sony.cz/t5/c-series/ui/m-p/3636684#M7844 <P>Hi&nbsp;<A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1262487">@Vicky7771</A>, let me see if I can help out here!&nbsp;</P><P>Could you possibly elaborate your question a bit? System UI is a system app in the phone controlling the interface. For example, do you receive any kind of error message saying that the System UI has stopped?</P><P>Please do elaborate and I will do my best to assist you!&nbsp;</P> Mon, 30 Sep 2019 08:46:42 GMT https://community.sony.cz/t5/c-series/ui/m-p/3636684#M7844 Martin1 2019-09-30T08:46:42Z