https://devzone.nordicsemi.com/f/nordic-q-a/65074/thingy91-gps-questionsHi! We are developing a tracker based on Thingy91 using GPS and LTE. We&#39;re using the latest Modem firmware 1.2 and Zephyr/NCS v1.2.0 The GPS cold start until receiving a FIX is rather long, our test measurements in open air is approx 67 seconds untilen-USTelligent Community 13Fri, 21 Aug 2020 12:57:11 GMThttps://devzone.nordicsemi.com/thread/265780?ContentTypeID=1Fri, 21 Aug 2020 12:57:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:395d67ad-166e-4fe5-ab99-85c6a3bb75cdBrian Kim<p>Hello Kenneth,</p> <p>Please find below comment per each questions.</p> <p>-. Assisted GPS would be a good option. I recommend you to test it under NCS v1.3.0 or master branch which has cloud assisted GPS for asset tracker application.</p> <p>-. The switching time depends on allowed PSM and eDRX interval. if 5 second is preferred, you can set it eDRX internal properly.</p> <p>//Brian</p><div style="clear:both;"></div>