Your phone is NEVER off. That's why you can no longer take your battery out of your phone. Part of that battery is reserved for "Off". It takes days to drain the "off' usage of your phone as it requires very little power from the reserve part of the battery to run and if you have a 5g phone, even less as the signal itself can partially power your phone.
Faraday cage it, or wrap it in crinkled tin foil, this will give you the best chance to isolate your phone from sending and responding to the signals.
Ever look inside an old phone? It has a tiny battery in addition to the removable main battery.
It causes the phone to irreversibly corrode if dropped into water.
It maintains the clock when you switch batteries.
Probably some other nefarious purpose. The most benign might be storing encryption keys to prevent phone cloning. Storing keys in battery backed ram is one of the most secure ways to do it. See Capcom Kabuki and DigiCipher II.
Aside from #1 these are the same reasons we have kept a cmos battery on PC motherboards for decades. The ability for 3rd parties to still access your device without your knowledge from the "off" state is a newer event.
I haven’t been paying attention to the whole emergency broadcast or whatever .. would u or anyone reading this tell me what’s going on ? Should I wrap my phone in foil ? I don’t have a faraday box !
Wow I have a Christmas cookie tin thst I keep putting back on a shelf in my garage. My garage is so organized I hate clutter and everytime I go to throw it away I end up saying maybe I’ll use it as a container for big bolts or something . Thank you for letting me know !!
Your phone is NEVER off. That's why you can no longer take your battery out of your phone. Part of that battery is reserved for "Off". It takes days to drain the "off' usage of your phone as it requires very little power from the reserve part of the battery to run and if you have a 5g phone, even less as the signal itself can partially power your phone.
Faraday cage it, or wrap it in crinkled tin foil, this will give you the best chance to isolate your phone from sending and responding to the signals.
Ever look inside an old phone? It has a tiny battery in addition to the removable main battery.
It causes the phone to irreversibly corrode if dropped into water.
It maintains the clock when you switch batteries.
Probably some other nefarious purpose. The most benign might be storing encryption keys to prevent phone cloning. Storing keys in battery backed ram is one of the most secure ways to do it. See Capcom Kabuki and DigiCipher II.
Aside from #1 these are the same reasons we have kept a cmos battery on PC motherboards for decades. The ability for 3rd parties to still access your device without your knowledge from the "off" state is a newer event.
I haven’t been paying attention to the whole emergency broadcast or whatever .. would u or anyone reading this tell me what’s going on ? Should I wrap my phone in foil ? I don’t have a faraday box !
A biscuit tin will work just as well.
Wow I have a Christmas cookie tin thst I keep putting back on a shelf in my garage. My garage is so organized I hate clutter and everytime I go to throw it away I end up saying maybe I’ll use it as a container for big bolts or something . Thank you for letting me know !!
What about washers & driers?
Maybe. Ideally, the object you need to isolate should be completely surrounded by metal.
If it is not then you also need to take into account the wavelength of the radiation.