máy khách bị treo chữ Security Erro em chạy lại KDZ thì báo thế này: [R&D Test Tools Log File] 09:20:04 : Launching SW update 09:20:04 : Unpacking KDZ 09:21:42 : KDZ file extraced 09:22:48 : Files were extracted. 09:22:48 : LGMobileDL Load. 09:22:48 : Port = -1 09:22:48 : Connecting to phone 09:23:03 : Check Phone mode = 2 09:23:03 : Phone type check....... 09:23:04 : LGMobileDL.DLL Loading.... 09:23:04 : _SetAuthMark Fail 09:23:04 : _SetAuthMark Ok : wAuthMark(65535) 09:23:05 : _DetachDLL Call 09:23:05 : _DetachDLL Call End 09:23:05 : Param : Path = C:\ProgramData\LGMOBILEAX\Phone\F160LV20e_Develop.wdb 09:23:05 : Param : moduleDir = 09:23:05 : Param : waitTime = 0 09:23:05 : Param : UsbHighSpeed = 1 09:23:05 : Param : PhoneMode = 2 09:23:05 : Param : BinVersion = V20e_00 09:23:05 : Param : AuthMark = 65535 09:23:05 : Call fn_StartUpgrade 09:25:22 : 3GQCT : wParam = 13, lParam = 4 09:25:22 : Step Complete : DSP Write 09:26:50 : 3GQCT : wParam = 13, lParam = 5 09:26:50 : Step Complete : DSP Write