A: Position accuracy is given by the device itself (telephone, tablet) and its technical capabilities. Position accuracy is influenced by the quality of the GPS chip, satellite visibility, or the presence of WiFi or Bluetooth devices that can make the position more accurate.
A: Yes. Only background maps depend on the Internet, but they are stored in temporary multi-day memory when loaded. So, for example, when connecting to WiFi, you can load map tiles (by viewing the area of interest) and then work in the field without an internet connection.
A: Please check the amount of free space on your device (or Google Drive). If the application does not have enough space to export the data, the process automatically stops. Photos can take up a fairly large amount of memory – depending on the quality of the photo and possibly compressing photos directly in the application.