<http://webisa.webdatacommons.org/421456069> <http://www.w3.org/ns/prov#value> "It is recommended to apply this mode when using smartphone in night??? You can set the exact time when the filter will be turned on/off when you choose Custom menu in Time Setting??? In some cases, it is impossible to install apps except through Play Store while blue light filter is working." . <http://webisa.webdatacommons.org/421456069> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/421456069> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> . <http://webisa.webdatacommons.org/prov/325817197> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/421456069> .