For about a week, I was checking my Pixel 10 Pro’s battery screen more often than was healthy. Nothing looked broken. The phone got through most of the day. But the thing that kept bothering me was the overnight drain, the slow bleed that happens while the phone sits face down on my desk doing nothing at all.
So, I checked. The battery breakdown pointed at the usual suspects: apps I had actually opened. What it didn’t show was the radio work happening underneath it all. My Pixel had been scanning for Wi-Fi networks and Bluetooth devices all day, including stretches when I had both switched off, and I don’t remember ever agreeing to that. Turns out, two toggles in the settings just needed to be disabled.
The scanning nobody mentions
Why “off” does not always mean off
Android runs two scanning services for location purposes, one for Wi-Fi scanning and one for Bluetooth, and both keep working with their main switches off. What the Wi-Fi one collects is the BSSID of every access point in range, the unique hardware address a router broadcasts whether or not you are connected to it. Your phone sends that set of addresses to Google’s database and gets a position back, which is faster and cheaper than waiting for GPS to lock. Bluetooth scanning does the same job with beacons and BLE devices.
In a basement car park, that is the only thing keeping the blue dot honest. The cost is that the radios wake up to sweep even when nothing on your screen has asked where you are.
Where the toggles live
On my Google Pixel 10 Pro, the path is Settings -> Location -> Location services. Inside that menu, Wi-Fi scanning and Bluetooth scanning sit as two separate switches, both on out of the box. Samsung keeps them in the same place in One UI, so this isn’t a Pixel-only thing.
While you are in there, take a look at Location Accuracy in the same menu, since that is the service the two scanners are feeding. Then back out to the main Location page and read the list of recent app access. It tells you which apps have been pulling your location, which is usually where the scanning is coming from. Mine usually has Pixel Weather, Maps, Camera, and Instagram.
What actually changed for me
Where the difference showed up
My overnight drain moved from around five or six percent to closer to three over a fortnight, with the same charging habits and the same alarm. Standby is where a change like this shows up, because scanning is a meaningful slice of a very small total when the screen is off. During the day, with the display on and games running, it disappears into the noise.
The effect also depends heavily on where you spend your time. If you live in a dense apartment block surrounded by fifty visible networks and a constant churn of Bluetooth devices, your phone has far more to chew through than mine does on a quiet weekend at home.
What you give up
The features that lean on the scanners
Find Hub is the real cost here. The network works by having Android phones scan over Bluetooth for nearby items and report back where they saw them, and Google requires location services and Bluetooth to stay on for it to work. Tracker makers say the same. Pebblebee’s setup guide tells you outright to enable Wi-Fi scanning and Bluetooth scanning for the best chance of finding your stuff. Turn them off, and you contribute less to that network and get less out of it.
Indoor location accuracy is the other one. Google files both toggles to help apps get better location info, and that is exactly what you lose. Google Maps still finds you outdoors quickly, but I have had it place me on the wrong side of a building since I made the change, and ride-hailing apps take a couple of seconds longer to settle on a pickup pin.
- Brand
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Google
- SoC
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Tensor G5
- Display
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6.3″ Super Actua display
The Pixel 10 Pro is Google’s highest-end flagship smartphone. It features an improved rear camera system, the Tensor G5 chip, seven years of software updates, and a 6.3″ Super Actua display.
Should you switch it off?
If you regularly pair new accessories, leave Bluetooth scanning alone and just kill Wi-Fi scanning. That is where most of the background activity was coming from on my phone, anyway.
For everyone else, this is thirty seconds of work for a phone that idles a little cooler and holds charge a little better overnight. Both were on by default, and nothing on the battery screen ever pointed to them.