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Testers running Apple's latest iOS 12 beta are encountering a peculiar issue that causes a software update prompt to repeatedly appear on screen, forcing users to manually dismiss the message over and over.
On Thursday, a handful of social media posts from iOS 12 beta testers, both developers and members of Apple's public beta program, detail what appears to be a bug in the latest evaluation version of iOS. The number of complaints continues to grow as more users are subjected to the erroneous notification.
In all cases, users are greeted with a popup that reads, "A new iOS version is now available. Please update from the iOS 12 beta." Users have the option of closing the window, but the OS leaves no route to update because there is no update available.
AppleInsider has confirmed the popup presents itself upon unlocking, while clearing the notification prevents it from appearing again until the device next wakes. Some users have reported seeing the popup when invoking Control Center, while others receive the message at random intervals, though such activity has not been confirmed.
According to developer Guilherme Rambo, a date calculation bug in Springboard appears to be causing the perpetual popup notifications.
"It looks like this method in Springboard does some date/time calculations to determine if the current build is about to expire, every time the cover sheet gets dismissed. For some reason, the latest builds of iOS 12 think they're about to expire," Rambo said in a tweet.
Apple has yet to comment on the matter and it is unclear when the company will push out a fix for the issue.
The update bug comes less than two weeks before Apple is expected to release iOS 12 to the public at a special media event on Sept. 12. Apple is widely anticipated to unveil new hardware at the event, including three new iPhone models, a redesigned Apple Watch and more. AppleInsider will be providing live coverage of the announcements.