The right to assemble and protest is enshrined in American law, but it can still be dangerous to hit the streets to make your voice heard. Your devices are a treasure trove of information about you, and you may not always know who’s collecting that data. Take a few minutes before you go to assess your digital and physical safety. Even if you have nothing to hide, you don’t want to accidentally give law enforcement officials any information you didn’t intend to share. Follow these tips to lock down your phone before a protest or other peaceful assembly.


Cell service is always turned on on a phone, even with no SIM card and the phone in airplane mode, and for most phones, even when the phone is “off”. They still ping the local towers semi regularly; they just don’t ramp up transmission power ir try to establish a full connection.
Anyone got a list of Bluetooth devices without a cell antenna where the BT MAC is regularly scrambled?
Does it matter if that cell service isn’t connected to a name?
It’s connected to your name when you go home
Unless you stop at a coffee shop, upload content to a secure server, ditch the SIM and power off the device.
Now they also have you on camera
So, turn it off before you go home?
They still talk to the tower when turned off
No, because it will spend most of its time after leaving the store in your home.
First, don’t buy it from a store. Second, turn that sucker off before you go home.