GNSS - no fix with WP7702

root@swi-mdm9x28-wp:~# gnss status
Invalid command for GNSS service
root@swi-mdm9x28-wp:~# gnss get status
active
root@swi-mdm9x28-wp:~# gnss get ttff
TTFF not calculated (Position not fixed)
root@swi-mdm9x28-wp:~# gnss get posState
Position state: No Fix
root@swi-mdm9x28-wp:~# cm info
Device: WP7702
IMEI: 352653090120395
IMEISV: 2
FSN: VU815670610610
Firmware Version: SWI9X06Y_02.16.06.00 7605a6 jenkins 2018/06/20 17:56:12
Bootloader Version: SWI9X06Y_02.16.06.00 7605a6 jenkins 2018/06/20 17:56:12
MCU Version: 002.009
PRI Part Number (PN): 9907365
PRI Revision: 001.004
Carrier PRI Name: GENERIC
Carrier PRI Revision: 001.028_001
SKU: 1103530
Last Reset Cause: Power Down
Resets Count: Expected: 33 Unexpected: 1

check the other forum post for gnss