566
Attention! (sopuli.xyz)
you are viewing a single comment's thread
view the rest of the comments
[-] empireOfLove2@lemmy.dbzer0.com 27 points 2 months ago

Because "off" is not really off in most mobile devices, more like a deep hibernate. Conveniently you can also no longer remove the batteries from any modern phone.

[-] slazer2au@lemmy.world 4 points 2 months ago

Because "off" is not really off in most mobile devices, more like a deep hibernate

What is your source on that because when I was working for a wireless telco we did a spectrum analysis of mobiles off and on and the phone signal drops below the noise floor when off with or without the battery connected.

[-] wander1236@sh.itjust.works 17 points 2 months ago

iPhones have a feature where they still intermittently broadcast a Bluetooth signal after being turned off or even if they shut off because of low battery: https://discussions.apple.com/thread/255809396?sortBy=rank.

Google does the same thing with the Pixel: https://support.google.com/pixelphone/answer/9338817?hl=en-AU#zippy=%2Cstep-find-offline-devices-and-devices-without-power.

[-] slazer2au@lemmy.world 0 points 2 months ago

We are talking about mobile signal not Bluetooth, check the root comment.

[-] wander1236@sh.itjust.works 4 points 2 months ago

I'm just addressing what you quoted. They said phones don't actually turn off anymore, you asked for a source on that.

[-] wizardbeard@lemmy.dbzer0.com 9 points 2 months ago

My understanding is that it's not the phone signal, but bluetooth low power mode, which is how many countries did covid exposure tracking.

So not full location triangulation, but more a hypothetical that a business or government could very easily set up bt low power beacons and identify devices that got in range like they did for covid tracking.

[-] slazer2au@lemmy.world 0 points 2 months ago

We are talking about mobile signal not Bluetooth, check the root comment.

[-] floquant@lemmy.dbzer0.com 0 points 2 months ago

It's not cellular bands, I believe it's Bluetooth beacons and possibly UWB. But the fact that "Find My" works even when the phone is "off" is a pretty well documented fact. Of course if you could actually unplug the battery those would die too.

[-] slazer2au@lemmy.world 0 points 2 months ago

We are talking about mobile signal not Bluetooth, check the root comment.

this post was submitted on 04 Mar 2026
566 points (95.1% liked)

Memes

15741 readers
676 users here now

Post memes here.

A meme is an idea, behavior, or style that spreads by means of imitation from person to person within a culture and often carries symbolic meaning representing a particular phenomenon or theme.

An Internet meme or meme, is a cultural item that is spread via the Internet, often through social media platforms. The name is by the concept of memes proposed by Richard Dawkins in 1972. Internet memes can take various forms, such as images, videos, GIFs, and various other viral sensations.


Laittakaa meemejä tänne.

founded 3 years ago
MODERATORS