If your phone is stolen today, a thief who knows your lock code can stop the tracking and open the device. In Android 17 they no longer can.
That is the headline feature of the new version, and with it come three more that concern your everyday privacy more than they concern theft.
Lost mode now locks behind biometrics
Marking a phone as lost now locks the device behind biometric authentication. The result is that someone who knows your PIN cannot get in, and cannot stop the tracking.
That is the gap thieves were exploiting: watching you type the code in a public place, then taking the device, with the code now a key to everything on it.
Your location, once
You can now grant an app temporary access to your precise location, instead of leaving the permission open forever.
This solves a practical problem everyone knows: a delivery app you need once, which still knows where you are months later.
Specific contacts, not the whole book
When an app asks for your contacts, you can now share particular numbers only.
And this is not protection for you alone. Your address book holds the numbers of people who trusted you with them, and you were handing the whole thing to every app that asked.
Fewer attempts at guessing the code
The number of code entry attempts is lower, and the wait between failed attempts is longer. That makes manual guessing impractical.
And what is not about security
There are other features in this release too:
- Bubbles: turning any app into a small floating window by long-pressing its icon, with bubbles docking to a bar at the bottom on large screens.
- Screen recording with the front camera at the same time, with no green screen needed.
- Hiding app names from the home screen.
- Separate volume control for the assistant.
- A cap on app memory consumption, which Google says improves performance and battery life.
- And for games: a dedicated mode for foldables that splits the screen in half, game on top and controls below.
When it reaches you
Here is the honest answer: nobody knows exactly.
Pixel phones get it first. Galaxy phones get it through One UI 9, built on Android 17, which has started rolling out to newer devices. But Samsung has not announced a timetable for older devices, and every date circulating is a website’s estimate rather than a company announcement.
And when it does reach you, start with the first four in this article. The rest are improvements; those are protection.
Further reading: Google blog: Android 17 features
Photo: a metal padlock closing a gate. By Shixart1985, CC BY 2.0 via Wikimedia Commons.
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