unlocking failed,SM-N910C (note 4)

Android version: 5.1.1
Product code: SM-N910CZKEXTE
Phone version: N910CXXU1COJ5
PDA version: N910CXXS2CPE2
CSC version: N910COLB2COJ5
CSC country code: PHILIPPINES
CSC sales code: XTE
HW version: MP 0.800
Phone S/N: R28G211VQWJ
Modem board: DB7450R
RF cal date: 2015.02.12
IMEI:
Checking Super user right… true
Reading nv data… OK
Analisis NV data… OK
Writing nv data… OK
Rebooting phone… OK
Waiting ADB device… OK
Reading phone info…
Model: SM-N910C
Android version: 5.1.1
Product code: SM-N910CZKEXTE
Phone version: N910CXXU1COJ5
PDA version: N910CXXS2CPE2
CSC version: N910COLB2COJ5
CSC country code: PHILIPPINES
CSC sales code: XTE
HW version: MP 0.800
Phone S/N: R28G211VQWJ
Modem board: DB7450R
RF cal date: 2015.02.12
IMEI:
Initialization AT RIL… error