Apple’s latest iOS update, version 18.4.1, is raising concerns among users after reports surfaced claiming that the update is bricking some iPhones. While Apple is urging users to install the update promptly due to an important security patch, a small number of users say the update may do more harm than good potentially rendering their devices completely unusable.
Update Leads to Bricked Devices?
One user reported that their iPhone was bricked immediately after installing iOS 18.4.1. The device reportedly lost access to its IMEI number, a critical identifier used to authenticate the device on cellular networks. Without it, the iPhone locked itself, seemingly mistaking its owner for a thief. Attempts to restore the device using a Mac failed—even professionals at an Apple service center were unable to revive it. The only suggested solution was a costly motherboard replacement.
Other Users Chime In
This wasn’t an isolated case. Other users have taken to forums and social media to share similar experiences. Some speculate that the issue is related to the baseband processor—the hardware component responsible for managing the phone’s cellular connection. While some argue that a software update shouldn’t be able to damage hardware components, even Apple technicians reportedly acknowledged that, in rare cases, software updates can lead to complete device failure.
Skeptics believe the update may have simply revealed a pre-existing hardware defect, triggering the device to fail during the reboot process post-installation. Still, the result is the same: a non-functional iPhone and a frustrated user.
History Repeats?
This incident is reminiscent of the iPadOS 18 issue that temporarily bricked M4 iPad models earlier this year. Similarly, Samsung’s One UI 6 update late last year rendered several Galaxy S22 units unusable—particularly those powered by Exynos chips—highlighting the sensitive relationship between software and specific hardware components. What Should You Do?
While these issues appear to be relatively rare, they underscore the potential risks of installing brand-new updates immediately upon release. For now, users may want to consider disabling automatic updates on their iPhones until more clarity is provided. Waiting a few days or even a week could offer peace of mind while Apple assesses and responds to the situation.
Apple has not yet issued an official statement regarding the iOS 18.4.1 reports, but if history is any indicator, a patch or follow-up update could arrive soon if the issue gains wider attention.
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