MC7455 Assisted GPS (SUPL / XTRA)

Hello,
is anyone get used to make work assisted GPS on MC7455 ?

at!gpsposmode=7F
OK
at!gpsend=0,255
OK
at!gpstrack=3,200,200,1000,1
OK
at!AT!GPSSUPLURL?
ERROR
AT!GPSSUPLURL?
supl.google.com

OK
AT!GPSPORTID?
7276

OK
AT!GPSTRANSSEC?
Transport security: 0

OK
AT!GPSXTRASTATUS?
Xtra Time status = Unknown
Xtra Data status :
Validity Start = 2017 03 02 3 14:00:00
Validity End = 2017 03 09 3 14:00:00

OK
at!gpsstatus?
Current time: 2017 03 02 3 14:53:18

1980 01 06 6 00:00:00 Last Fix Status = FAIL, FAILCODE = 9
2017 03 02 3 14:53:17 Fix Session Status = ACTIVE

No TTFF available

at!gpsloc?
Not Available

Many thanks.

Also be sure to check at!custom to see if gpssel is set appropriately. Should be 1 if you want to use the WWAN secondary antenna as GPS antenna. If it is set incorrectly you will get NO RECEPTION of GPS fixes.