Most iPhone users are reasonably comfortable managing app permissions these days. Location access, camera, microphone — all that is familiar territory. But there has always been another layer of location tracking that sits outside those controls, largely invisible and impossible to switch off.
Your mobile carrier has always known where you are.
Until now, there was very little you could do about it.
With Apple’s release of iOS 26.3, that changes — at least slightly — thanks to a new option called “Limit Precise Location.”
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How carrier-level location tracking actually works
Mobile networks don’t rely on apps to locate your phone. Instead, they track devices through cell tower triangulation — measuring signal strength and timing between multiple towers. In dense urban areas, this can narrow your position down to a specific street, sometimes closer.
Crucially, this process has always operated outside iOS privacy controls. You could disable Location Services entirely and your carrier would still know roughly where you were, simply because your phone needs to connect to the network to function.
Apple’s new setting reduces the accuracy of this data. Instead of precise positioning, carriers are only given a coarse location, roughly equivalent to a neighbourhood rather than an address.
Emergency services are not affected — emergency calls still transmit accurate coordinates — and neither are Apple services like Find My or navigation, which rely on the phone’s own location system rather than carrier signalling.
Why Apple is stepping in now
Apple hasn’t offered a public explanation, but the timing isn’t subtle.
For years, mobile carriers have treated location data as a commercial asset rather than sensitive personal information. In April 2024, the Federal Communications Commission fined AT&T, Verizon, and the merged T-Mobile nearly $200 million for illegally sharing customer location data.
That data was sold to third-party aggregators, who then passed it on again — often without meaningful consent. One such company, LocationSmart, even operated a public demo that reportedly allowed visitors to pinpoint the location of most phones in North America.
It was, frankly, a mess.
A very limited rollout (for now)
There’s a catch — several, actually.
The new feature only works on devices using Apple’s own cellular modems (C1 and C1X). At present, that means just three products:
- iPhone Air
- iPhone 16e
- Cellular iPad Pro with M5 chip
The iPhone 17 doesn’t qualify, as it uses Qualcomm hardware. Apple can only restrict what its own modems transmit.
Carrier support is equally narrow. At launch:
- In the US, only Boost Mobile is participating
- In Germany, Telekom supports the feature
- In the UK, EE and BT are onboard
- In Thailand, AIS and True are included
Notably absent are several major carriers with a less-than-stellar privacy track record.
Android isn’t completely behind — but has the same problem
Google introduced a similar concept in Android 15 through its Location Privacy hardware layer. The limitation is identical, though: unless modem manufacturers and carriers cooperate, the feature can’t be enforced.
Both Apple and Google are constrained by hardware and network operators they don’t fully control. This kind of protection only works when the entire stack — device, modem, and carrier — plays along.
The bigger takeaway
Many people assume that controlling app permissions means they control their location. This update highlights something most users never realised: there are two separate tracking systems at work, and one of them has always answered to your carrier, not you.
Apple’s move doesn’t solve the problem completely, but it does expose it — and that alone matters.
Real privacy isn’t just about what apps can see. It’s also about what the infrastructure beneath them quietly collects.
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