The first rollover occurred with little fanfare, in 1999, a time when GPS was far less widely used. This means it can count 1,024 weeks (which takes 19.7 years) before it has to “rollover” and start the counter again from 0. The date broadcast by GPS includes a weekly counter with 1,024 possible values. You can read the iPhone 5-specific warning or the one that includes the iPhone 4s if you want to confirm the worst in more detail.īecause of the GPS satellite system’s equivalent of the Y2K bug. In addition to the iPhone 5 and 4s, the iPads affected are the cellular-enabled iPad mini, iPad 2, and the third-generation iPad. So, losing the GPS stops the time and date being set, which immediately causes internet synchronisation problems affecting services that need to connect to remote servers. Maintain accurate GPS location and to continue to use functions that rely on correct date and time including App Store, iCloud, email, and web browsing. If you don’t follow this advice, the iPhone will, according to Apple, no longer be able to… If you own an Apple iPhone 5, iPhone 4s or one of the early iPads with cellular connectivity, your device is about to be turned into a vintage technology paperweight by the GPS rollover problem that we wrote about in April.īefore we explain why, we should say it is possible to avoid this fate by updating your device to iOS version 10.3.4 (iPhone 5) or version 9.3.6 (iPhone 4 and iPads).īut there’s one critical detail – you must apply this update before 12:00 a.m.
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