N910p cert write done but imei no change

[freshwhite]

THIS PHONE IS N910P IN DOWNLOAD MODE THOUGH IN MODEL ITS N910F AM TRYING TO WRITE CERT AS N910F ALSO AS N910P BUT CANT CHANGE IMEI
PLS HELP

[ 1/17/2017 4:40:00 PM ] Operation: Write CERT
[ 1/17/2017 4:40:00 PM ] Selected model: SM-N910P
[ 1/17/2017 4:40:00 PM ] Selected port: COM267 SAMSUNG Mobile USB Serial Port
[ 1/17/2017 4:40:00 PM ] Software version: 26.9
[ 1/17/2017 4:40:00 PM ]
[ 1/17/2017 4:40:00 PM ] Checking CERT file... OK
[ 1/17/2017 4:40:00 PM ] KEY ID: 0772
[ 1/17/2017 4:40:00 PM ] Waiting ADB device... OK
[ 1/17/2017 4:40:00 PM ] Reading phone info...
[ 1/17/2017 4:40:00 PM ] Model: SM-N910F
[ 1/17/2017 4:40:00 PM ] Android version: 5.1.1
[ 1/17/2017 4:40:00 PM ] Product code: Not Active
[ 1/17/2017 4:40:00 PM ] Phone version: N910PVPU3BOF5
[ 1/17/2017 4:40:00 PM ] PDA version: N910FXXU1BOG5
[ 1/17/2017 4:40:00 PM ] CSC version:
[ 1/17/2017 4:40:00 PM ] CSC country code: USA
[ 1/17/2017 4:40:00 PM ] CSC sales code: TGY
[ 1/17/2017 4:40:00 PM ] HW version: N910P.05
[ 1/17/2017 4:40:00 PM ] Phone SN: 00000000000
[ 1/17/2017 4:40:00 PM ] Modem board: MDM9625M
[ 1/17/2017 4:40:00 PM ] RF cal date: 2014.12.27
[ 1/17/2017 4:40:00 PM ] IMEI:
[ 1/17/2017 4:40:00 PM ] Incorrect model selected. This may damage your phone. Continue? Yes
[ 1/17/2017 4:40:00 PM ] Initialization AT RIL... OK
[ 1/17/2017 4:40:00 PM ] Bypass SPC... OK
[ 1/17/2017 4:40:00 PM ] Checking for compatible phone and cert... OK
[ 1/17/2017 4:40:00 PM ] Phone KEY ID: 0772
[ 1/17/2017 4:40:00 PM ] Writing CERT... OK
[ 1/17/2017 4:40:00 PM ] Checking CERT status... OK
[ 1/17/2017 4:40:00 PM ] Rebooting phone... OK

[CloseCOder]

Write original N910P firmware to write cert.