I´d like to ask some questions about how to make a firmware update to our BG770A-GL custom board and how to accelerate the TTFF of GNSS.
After sending “AT+QGMR”, i got the current firmware, which is: BG770AGLAAR01A03_01.007.01.007.
The newest one should be BG770A-GL BG770AGLAAR01A05_01.200.01.200 (20. Mar. 2023), is that right?
So, how can i get this and how can i flash it to the modem?
Yesterday i also tried to get location data via GNSS. It worked, but it took much time (about 210 seconds). Today i´am not able to get any fix. How is that possible? Also the data was wrong. About 30 kilometre from my location. So do i need this XTRA file feature to get better results and accelerate fixing a position?
For me the information on Debug UART seems ok:
Or is it just a problem with old firmware?
Maybe good to know: Connecting to network and sending data via MQTT worked directly very well.
Big thanks and kind regard,