that's the sys txt, what i use with all nextgen i have no problem!

Spoiler: sys-
[gps]
accept_position_at_precision_change=1
accuracy_workaround=1
location_net=1
location_gps=1
;this should be in android igo9 config:
background_navigation=1
location_log=0
location_log_filename="gpslog/LocationManager"
gps_fix_ignores_num_satellites=1
min_valid_heading_speed=0
first_valid_precision_distance_threshold=0