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questions for AGPS

Hi

I merged the AGPS to serial_lte_modem slm_at_gps.c but it did not work:

1, if I activate LTE in gps_thread_fn(), it will be failed in supl_session();

00> Established LTE link
00> 
00> Starting SUPL session
00> ip 6cb1:61c0:: (c061b16c) port 7276
00> 
00> ossinit failed, rc: 8
00> 
00> SUPL session internal resources released
00> 
00> Done

2, If I activated LTE and attached to network before starting GPS, the gps_data.data_id will never be NRF_GNSS_AGPS_DATA_ID, so the GPS will have no opportunity to download SUPL data from server. why?

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