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202 points

Last week, the 9th Circuit Court of Appeals in California released a ruling that concluded state highway police were acting lawfully when they forcibly unlocked a suspect’s phone using their fingerprint.

You can turn that and Face ID off on iOS by mashing the power button 5 times- it locks everything down.

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80 points

⚠️ WARNING: On android, mashing the power button 5 times calls emergency services…

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-14 points
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Not on my Pixel 6. 🤷‍♂️ It just does what I told it to do, namely to open the camera.

Edit: these are some Reddit down votes. I just didn’t know I had this feature, and I apparently have disabled it, but I don’t remember doing so. Oh well.

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26 points

Cool, you disabled the gesture. Clearly the default SO setting doesn’t apply to you…

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6 points

Have to tried? On my Samsung pressing twice does the camera (as I’ve set it to) but doing 5 times tries to call emergency services.

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44 points

On android you can add a ‘lockdown’ mode to the power menu.

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2 points

Thanks for this, didn’t know this was an option.

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1 point

on my phone lockdown mode is found by pressing side button and power up at the same time, then selection lockdown from the menu

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9 points

There are two ways you can do this on Android currently, but they’re not as quick. You can try to unlock with the wrong finger 5 times and it will stop allowing fingerprint unlocks. Or, you can hold down the power button for 10 seconds and the phone will reboot and also disable fingerprint unlocking.

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0 points

Just hold volume up and power for 3 seconds.

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0 points

Came here to say that! Glad it’s getting around.

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9 points

You can also just long press a volume button with the lock button (with a FaceID phone). I find this harder to mess up under stress.

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4 points

On Graphene/Calyx you can auto-restart the phone after a given time period if it hasn’t been interacted with. Recommend turning this on for all users.

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3 points

What’s the name of this feature for GrapheneOS? I’m not finding it.

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3 points

Try searching for auto reboot, or some sort of extra security settings menu.

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32 points

In a getting pulled over situation, this works. But do it before you go protest anything. Or better yet, leave your phone at home. You don’t want to be reaching for something while a cop is pointing a gun at you and saying “Hands up!”

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11 points

☞ EFF / Surveillance Self-Defense / Attending a Protest

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2 points

Didn’t know EFF had this, neat

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30 points

Not to mention it’s pretty regular to track who is participating by checking the towers in the zone all the people are participating.

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7 points

Or get a geofence warrant

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9 points

Assuming you have the access to do this, e.g. awake, conscious, not handcuffed, etc. It’s safer to just always use a PIN in the first place.

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13 points

Do you have to mash it? Or will pressing it normally work?

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-3 points

Pretty sure Apple would replace the buttons with pressure sensors – not for user comfort but so that they are no longer replaceable with OEM parts and can be serialized. They did literally this with Macbook sleep sensors.

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4 points
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NO

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25 points

The only thing I’ll mash is that subscribe button

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57 points

Android has a similar feature. It’s called “Lockdown mode” on the shutdown menu. Locks the phone and turns off any biometric unlocks.

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34 points

Except it doesn’t activate by mashing the power button 5 times. On my Pixel 8, that activates the emergency dialer that will automatically call 911 if you don’t cancel the prompt in 5 seconds. I did not know that before. Probably a better use for that feature. It also points out the different ideologies of Apple vs Android.

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3 points

On my Pixel 7 Pro, I press the power and volume up buttons simultaneously, then I can click Lockdown. Now my passcode is required to unlock the phone.

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18 points

It does the same thing on iOS, but face/Touch ID is disabled after.

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7 points

On iOS, for SOS, Medical ID, and “slide to power off” you hold power and a volume button. That also disables biometric ID.

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12 points

My wife’s pixel 3(?) with a flaky power button had us wake up to cops knocking on the door because of that feature.

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5 points

Push and hold to get the power menu on my 7.

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2 points

I was mowing my lawn and learned about that feature. A nice ladies voice came through my bluetooth headphones asking if I needed help lol. You can change what the button spam does and I changed it to call my mom instead.

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22 points
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That’s terrifying. So once we have tech to forcibly see inside the brain, that will be legal too?

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6 points

“You shouldn’t be worried if you have nothing to hide” 🤷‍♂️

Tap for spoiler

/s

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3 points

Probably. Wouldn’t it be good to have the truth during investigations?

However I think that we really need refine when warrantless searches can occur. Right now many searches seem to be done with very little evidence to justify them. I think this protection should apply to your mind and phone just like it applies to your house. This probably also needs to be considered at border crossings. Right now they have basically unlimited rights for searching what you have on you with little to no evidence.

We should probably also rethink about how the information is shared when there is a warrant. Right now during a trial a huge amount of personal information can be made available. Maybe if it was easier to get precise information less would be needed.

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7 points

Wouldn’t it be good to have the truth during investigations?

Well, yeah, but the mind is fallible. That’s why eye witness testimony usually only gets a case so far, people tend to forget specifics and fill in the gaps without realizing they did.

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2 points

However I think that we really need refine when warrantless searches can occur. Right now many searches seem to be done with very little evidence to justify them. I think this protection should apply to your mind and phone just like it applies to your house. This probably also needs to be considered at border crossings. Right now they have basically unlimited rights for searching what you have on you with little to no evidence.

to be fair to the current justice system, a lot of times you can just hit the courts with “excuse me sir, this was unwarranted” and assuming it was actually unwarranted, they should overthrow it immediately.

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1 point

Not if it comes with a level of invasiveness that is unforgivable it wouldn’t be.

Forcibly invading someone’s mind after they were convicted beyond reasonable doubt would make you a monster.

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8 points
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You think it wouldn’t xD?

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95 points

I’ve always wanted a setting to create a lockdown key and an unlock key. So something like middle-finger to unlock but index-finger to force it into PIN/password only mode. So you can have some convenience of a quick unlock but if an authority figure asks or forces you to unlock it you can one-tap lock it down.

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10 points

That would be awesome.

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8 points

In GrapheneOS, a single wrong fingerprint disables fingerprint unlock until the password is entered.

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