Here's a pdf link to a 2020 NSA publication on the subject: https://media.defense.gov/2020/Aug/04/2002469874/-1/-1/0/CSI_LIMITING_LOCATION_DATA_EXPOSURE_FINAL.PDF
It seems that powering the device off is sufficient unless the device is compromised.
Here's a pdf link to a 2020 NSA publication on the subject: https://media.defense.gov/2020/Aug/04/2002469874/-1/-1/0/CSI_LIMITING_LOCATION_DATA_EXPOSURE_FINAL.PDF
It seems that powering the device off is sufficient unless the device is compromised.