LG G3 US990 LS990 security error and Kill Switch Solution
FirsttrygoingintoSettings,Security,DeviceAdministratorsanddisableadminaccessforMcAfee(unchecked).ThencheckApplicationsandsee ...,1.Turnoffthephone,holdvolumedownandconnecttopcviausb..·2.Turnonthephone..·3.GoquicklytoSettings-General-Aboutphone- ....。參考影片的文章的如下: