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Apple’s iOS software updates trickle out to millions upon millions of iPhones, iPads, and iPod Touches following each release. And as those millions of devices are updated every few months, a healthy portion of people wonder the same thing: “Why the heck do iOS updates keep turning Bluetooth on?”
Those who don’t use Bluetooth headsets or wearable devices keep Bluetooth turned off, however, and it’s annoying to see it enabled each and every time a new iOS update is installed. Apple’s big iOS 7.1 update is the most recent culprit.
People wondering why this is the case may find that the simplest explanation is often the correct one.
According to Greg Sterling, a senior analyst for Opus Research who recently spoke with Forbes reporter Kashmir Hill, Bluetooth is turned back on with each update because Apple needs Bluetooth for itsiBeacon solution.
“It’s a critical piece here,” Sterling said. “Without Bluetooth, iBeacons won’t work.”
He continued, “That’s a huge deal. The 7.1 iOS makes a big push in what iBeacon can do, but Bluetooth has to be turned on.”
Apple’s iBeacon technology allows retailers and anyone else to use base stations that broadcast signals to Apple devices running iOS 7 or iOS 7.1. When the signals are registered by people’s iPhones and iPads, apps with iBeacon enabled can respond—even if they’re closed, in some cases. This might pop up a coupon on your screen when you enter a retail store, for example. It might also help retailers collect crucial data on their customers.
But it works only if Bluetooth is enabled.
Hill’s piece fails to mention that there is likely another reason why Apple keeps turning Bluetooth on: AirDrop, Apple’s solution for nearby device-to-device file and information sharing that replaces NFC, also requires Bluetooth to function.
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