Apple iOS 26.3 Adds Privacy Feature Limiting Cellular Network Location Tracking
By
cbeuw
4mo ago· 4 min readenInsight
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Summary
Apple's iOS 26.3 introduces a new privacy feature that limits precise location data shared with cellular networks via cell towers. The feature is only available on devices with Apple's in-house modem introduced in 2025. The article explains how cellular networks can determine user location based on cell tower connections, with accuracy ranging from tens to hundreds of meters depending on tower density. The author shares personal experience serving on a jury where prosecution obtained location data from cell towers, highlighting privacy concerns around mobile carrier location tracking.
Key quotes
· 4 pulledCellular networks can determine your location based on which cell towers your device connects to.
Since cell towers are sparse (especially before 5G), the accuracy is in the range of tens to hundreds of meters.
I have served on a jury where the prosecution obtained location data from cell towers.
The feature is only available to devices with Apple's in-house modem introduced in 2025.
In iOS 26.3, Apple introduced a new privacy feature which limits “precise location” data made available to cellular networks via cell towers. The feature is only available to devices with Apple’s in-house modem introduced in 2025. The announcement1 says h
