Update your iPhone or iPad software to avoid issues with location, date, and time

Starting just before 12:00 a.m. UTC on November 3, 2019,* some iPhone and iPad models introduced in 2012 and earlier will require an iOS update to maintain accurate GPS location and keep the correct date and time. This is due to the GPS time rollover issue that began affecting GPS-enabled products from other manufacturers on April 6, 2019. Affected Apple devices are not impacted until just before 12:00 a.m. UTC on November 3, 2019.

Update your device's software

It's always a good idea to keep the operating system on your iPhone or iPad updated. If you have one of the devices listed below, it's especially important to update your device's software before November 3 to make sure that its GPS, date, and time continue to work properly.

If you don't update to the newest version of iOS available for your device before November 3, some models might not be able to maintain an accurate GPS position. And functions that rely on the correct date and time—such as syncing with iCloud and fetching email—might not work.

In addition, devices that aren't updated before November 3, 2019 might not be able to receive over-the-air software updates. As a result, the only way to update the device will be to restore in iTunes or Finder via tethered connection.

Check your device's iOS version

After you update your iPhone or iPad, you can check to make sure that your device has updated successfully:

  1. Open the Settings app.
  2. Tap General, then tap About.
  3. Look for the number next to Software Version.

The updated software version number should be 10.3.4 or 9.3.6, depending on your device. If you're not sure which device you have, you can identify your iPhone model or identify your iPad model.

Updated iOS version Device
iOS 10.3.4 iPhone 5
iPad (4th generation) Wi-Fi + Cellular
iOS 9.3.6 iPhone 4s
iPad mini (1st generation) Wi-Fi + Cellular
iPad 2 Wi-Fi + Cellular (CDMA models only)
iPad (3rd generation) Wi-Fi + Cellular

This issue does not affect iPod touch or any iPad models that have Wi-Fi only. It also doesn't affect iOS devices newer than those listed above.

Learn more

If you’ve updated your device and you're still experiencing issues, try these articles:

* You should update your iPhone or iPad before then based on your local time zone. You can use the map on timeanddate.com to determine the difference between UTC and your time zone.

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