Critical error in Apple update crashes iPhones and generates complaints about battery and biometrics

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Celular, Iphone

Celular, Iphone - Kaspars Grinvalds/ Shutterstock.com

A wave of technical instability has hit smartphone owners from the Cupertino giant in the last few hours, after the release of a new software package aimed at mobile devices. What should be a routine procedure to prepare the ecosystem for new accessories has turned into a headache for thousands of consumers around the world. Relatos on specialized forums and social networks indicate that the installation of the latest firmware resulted in inoperative devices, loss of access to banking data and serious hardware failures, creating a crisis scenario for the company’s engineering team.

The situation quickly escalated when users tried to reverse the process. The digital signature for the previous version of the operating system has been terminated, preventing “downgrade” to a stable build. Isso left a significant portion of the customer base trapped in a faulty software environment with no immediate escape route. Especialistas in mobile security warn that the flaw does not appear to be isolated to a single model, although newer variants of premium hardware are most affected by the processing and power management errors.

The incident raises questions about quality control protocols for over-the-air updates. The expectation was that the package would bring compatibility for the brand’s second generation of smart trackers, but the introduced code appears to have conflicted with essential system drivers. The result is erratic behavior that ranges from the inability to make calls to the device suddenly turning off, even when the battery is running low.

Collapse in authentication and digital security

One of the most critical points reported involves the total failure of biometric security systems. The mechanism responsible for facial recognition and fingerprint reading stopped responding on several devices after the post-update restart. Este problem goes beyond the inconvenience of typing a numeric password; it directly impacts the usability of financial applications and digital wallets that rely on these layers of security to authenticate transactions.

The root of the problem appears to be in the communication between the main software and the dedicated security processor, known as “Secure Enclave”. Quando this connection fails, the system, as a precaution, disables biometric access to avoid vulnerabilities. Para the end user, this means the loss of quick access to stored passwords and the inability to authorize payments via NFC, transforming the smartphone into a device with limited functionality comparable to models from a decade ago.

Furthermore, the system’s native browser started to show severe instability. Usuários report that when trying to fill out forms or access websites that require secure login, the application quits unexpectedly. Esse behavior suggests corruption in the application’s cache files or memory management, compromising safe browsing and exposing the user to constant errors when using the mobile internet or Wi-Fi.

Power Drain and Overheating on iPhone 17

Energy efficiency, one of the marketing pillars of the latest models, was severely compromised in version 26.2.1 of the system. Proprietários of the iPhone 17 Pro Max, the most sophisticated model in the current line, flooded support channels with complaints about accelerated battery drain. Relatórios indicate that the device loses power even in standby mode, suggesting that background processes are operating in an infinite loop, preventing the processor from entering low-power states.

Overheating is a direct consequence of this excessive processing. The device becomes uncomfortable to touch, and the operating system, in an attempt to protect the internal components, reduces screen brightness and limits overall performance, causing noticeable slowdowns. Essa Experience degradation is particularly frustrating for users who have invested in high-end hardware expecting superior performance, only to find their devices outperformed by older models that have not been updated.

Preliminary analysis of system logs points to a failure in file indexing. The system appears to try to reorganize internal databases repeatedly without success, consuming CPU cycles and, consequently, battery. Esse tipo de erro é devastador para a autonomia do aparelho, pois ocorre independentemente da interação do usuário, drenando a energia vital necessária para o dia a dia.

The Mystery of Phantom Storage

Another alarming symptom identified is the inexplicable consumption of internal storage space. Diversos reports show screenshots where the “Sistema Data” category occupies more than 30GB of space, with no apparent justification. Esse phenomenon, technically known as “ghost storage”, occurs when temporary files, error logs and download caches are not properly deleted by the operating system after use.

For users with lower capacity devices, this represents an immediate functional block. Sem free space, the device is unable to download application updates, take new photos or even receive messages on WhatsApp. The system enters a preservation state, further limiting functionality and displaying constant “Storage Cheio” alerts, even if the user deletes personal photos and videos in an attempt to free up space.

The seriousness of this bug lies in the difficulty of resolution by the common user. Diferente from deleting a heavy application, the “Sistema Data” is inaccessible for manual management. The solution, in most cases, would require a complete restoration of the device to factory settings, a laborious process that carries the risk of data loss if the backup was not performed correctly before the failure occurred.

Unstable connectivity and community reactions

The devices’ communication infrastructure also suffered negative impacts. The stability of Wi-Fi connections and 5G mobile networks has become intermittent, with frequent signal drops that interrupt video calls, downloads and streaming. In a hyperconnected world, the inability to maintain a stable connection isolates the user and harms professional and personal activities that depend on the internet.

In online communities like Reddit and specialized technology forums, the atmosphere is one of widespread dissatisfaction. Tópicos on the subject accumulate thousands of comments, with consumers exchanging palliative tips while waiting for an official position. The lack of an immediate announcement or an emergency fix (hotfix) from the manufacturer has increased tension, leading many to question the feasibility of keeping automatic updates activated.

Experts recommend extreme caution. Para For those who have not yet performed the update, the unanimous advice is to avoid installing the 26.2.1 package until a corrected version is available. Preserving device functionality should be prioritized over new software, especially when the risks involve the temporary rendering of essential communication and security tools unusable.