MC7455 GPS not functioning

Hello,

I’ve MC7455 module installed on DELL E7240 running Ubuntu 17.04 and finished all required Sierra QMI drivers. I’ve tested as you’ve been done where result as below:

Welcome to minicom 2.7

OPTIONS: I18n
Compiled on Feb 7 2016, 13:37:27.
Port /dev/ttyUSB2, 17:00:14

Press CTRL-A Z for help on special keys

Manufacturer: Sierra Wireless, Incorporated
Model: MC7455
Revision: SWI9X30C_02.24.03.00 r6978 CARMD-EV-FRMWR2 2017/03/02 13:36:45
MEID: 35907206052419
IMEI: 359072060524192
IMEI SV: 9
FSN: LQ652445790310
+GCAP: +CGSM

OK
atz
OK
at!entercnd=“A710”
OK
at!gpstrack=1,255,1000,30,1
OK
at!gpsstatus?
Current time: 1980 01 06 6 00:05:28

1980 01 06 6 00:05:28 Last Fix Status = NONE
1980 01 06 6 00:05:14 Fix Session Status = ACTIVE

No TTFF available

OK
at!gpsstatus?
Current time: 1980 01 06 6 00:05:36

1980 01 06 6 00:05:36 Last Fix Status = NONE
1980 01 06 6 00:05:14 Fix Session Status = ACTIVE

No TTFF available

OK

Believe our “expert” members could give another input.