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Failure in iOS 26.2.1 drains iPhone 17 battery and prevents use of applications due to memory error

Celular, Iphone
Celular, Iphone - Kaspars Grinvalds/ Shutterstock.com

Apple smartphone owners face a wave of severe technical problems after installing the latest mobile operating system update. The software package, originally intended to optimize compatibility with the new AirTag 2, ended up introducing critical flaws that compromise the devices’ daily usability. Relatos on specialized forums indicate that system stability has been drastically reduced.

The situation became complex due to the impossibility of reversing the update. The manufacturer stopped digitally signing the previous version, iOS 26.2, blocking the process known as downgrade. Isso leaves thousands of consumers stuck with the unstable version until an official fix is ​​made available by the technology company.

iOS 26.

Energy Storage and Drain Error

One of the most alarming defects involves a false positive in internal memory management. Usuários report that, shortly after the update, the system starts to require around 30 GB of free space for basic operations. Mesmo After deleting heavy files and applications, the storage full warning persists, preventing normal use of the device and downloading new content.

In parallel with the memory problem, energy autonomy suffered a considerable negative impact. The iPhone 17 Pro Max model appears to be the most affected in complaints, with records of overheating and accelerated charge depletion even at rest. Battery calibration appears to have been corrupted by the new code, frustrating those who rely on the device for long workdays.

Instability in native resources and connections

In addition to hardware issues, the software exhibits erratic behavior in essential security and navigation functions. The facial recognition system, Face ID, no longer works for a significant portion of the user base, forcing the use of manual numeric passwords and reducing agility in unlocking and digital payments.

Connectivity and web browsing were also impacted, as listed below:

  • Frequent interruptions in Wi-Fi connections and 5G/6G mobile data networks.
  • Unexpected closing of browser Safari and loss of open tabs.
  • Inaccuracy in Apple Maps location services.
  • Crashes in the general interface and slowness in system animations.

Lack of immediate corrections

To date, there is no official timeline for the release of an emergency patch that addresses these vulnerabilities. The recommendation of technology experts is that users who have not yet performed the update avoid installing iOS 26.2.1 and wait for a subsequent, more stable version.

Frustration in the community is evident, as the update was supposed to be an incremental improvement for accessories, but resulted in a degradation of the core product experience. The expectation is that Apple will release a new build in the coming days to stop the loss of functionality on affected devices.

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