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  • How does iPhones compass work? - Ask Different
    How exactly does iPhone's Compass app work? Is there some kind of chip sensitive to Earth's magnetic field or does it deduce the device's orientation from GPS and other location data? Or a combinat
  • iphone - Does airplane-mode disable GPS? - Ask Different
    Yes, airplane mode shuts down the radios that amplify all antenna circuitry Compass isn't affected by airplane mode other than not being tuned by GPS location Your observed relative changes will be mostly unaffected but absolute accuracy could suffer between one and ten degrees on much of the globe Of course the GPS signals still hit the iPhone case and antennas, just the hardware doesn't
  • iphone - How does the digital compass figure of eight waving for . . .
    What is the logic behind the "wave your device in a figure of eight to calibrate the compass"? How does this work?
  • Complete documentation of the iOS Settings apps URL scheme
    The iOS Settings app provides an URL scheme (prefs:) which can be used to open the app directly on a particular page from other apps, in particular, shortcut apps such as Launch Center There are
  • Can magnets harm an iPad? - Ask Different
    You should be fine As you note, there are magnets (which are actually fairly strong for their size) in the iPad and Smart Cover There are no magnetic components aside from the Smart Cover attachment points and the unlock sensor—there's a magnetometer for the compass, but it doesn't use a magnet Furthermore, the whole magnets damaging hard drives thing is a bit of a myth You can wipe them
  • ios - Does the iPhone GPS work in an airplane cruising between 30000 . . .
    I have a very basic question: if I enable GPS in my iPhone when in an airplane cruising at an altitude between 30000-40000 feet (roughly 9-12 km), will the GPS actually give valid data? I read a c
  • iphone - How does my phone tell me my elevation even though Im nowhere . . .
    I have the compass app (Comes with the phone) on my iPhone 6 and it can still tell me my elevation even though I have no service, why is this? Is there a magnet or something similar in the phone?
  • Command-delete shortcut is not working for me - Ask Different
    I just discovered by chance and desperation that, for some reason, ⌘-⌥-delete (command-option-delete) does work It's not as good as having the same keystrokes work on both machines, but at least now there's some keyboard shortcut I can use on the iMac UPDATE: For no apparent reason, ⌘-delete has started working
  • Downloading and uploading files through Safari iOS
    Does Safari on iOS allow the downloading of only some files and reject others, or does it allow downloading all of them or rejects all of them? Lastly, if a webpage has a file upload control (input type="file"), how does Safari behave (would it allow upload, allow upload on only some sites or the download control does not work at all)?
  • iOS 26 contact caller phone number no longer highlighted in contacts
    The configuration to reproduce this is the same on iOS 26 and before the update this fall: – the caller name comes from Contacts – multiple numbers are listed in his Contacts card (for example a home land line, a work mobile and a personal mobile number) In both cases, the caller appears in the recent calls list by name





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