Apple fixes bricked iPhones with Error 53 patch

Apple unblocks bricked iPhones with a targeted iOS 9.2.1 patch

Apple released a patched version of iOS 9.2.1 that restores iPhones disabled by the notorious Error 53. The update works only when the device is connected to iTunes on a Mac or PC, deliberately excluding over‑the‑air updates.

Error 53 appears when third‑party repair shops replace the home‑button cable or sensor. The replacement fails a factory security test that checks Touch ID integrity before the phone leaves the factory. Apple’s patch stops the test from bricking the phone, but it does not re‑enable Touch ID, preserving the Secure Enclave’s protection.

The move arrives as Apple faces a class‑action lawsuit over the same issue. By offering a fix that rescues devices without restoring biometric functionality, Apple limits exposure to liability while signaling that unauthorized repairs carry a security cost.

Spectre mitigation lands in iOS 11.2.2 and macOS High Sierra

Apple pushed iOS 11.2.2 with Safari and WebKit changes that mitigate the Spectre vulnerability. A supplemental macOS High Sierra 10.13.2 update carries the identical fix, extending protection to desktop users.

Spectre does not expose kernel memory directly, but it lets malicious JavaScript read data across application boundaries. Apple’s patch tightens the isolation barrier, reducing the attack surface before exploit code can be weaponized in web ads.

Earlier releases already addressed Meltdown, which allowed unpatched apps to read kernel memory. By bundling Spectre fixes into a minor update, Apple demonstrates a pattern of incremental security hardening rather than sweeping overhauls.

iOS 12’s hidden battery tax fuels user complaints

When iOS 12 rolled out on September 17, thousands of users reported rapid battery drain. The drain is not a secret backdoor; it is a side effect of the system re‑indexing all apps and data after a major OS upgrade.

Re‑indexing taxes the processor for 24‑48 hours, draining the battery while the phone reorganises its file catalogue. Simultaneously, automatic app updates flood the network, adding background CPU load that further shortens runtime.

The effect fades once the index settles and app updates quiet down. Users who upgraded to the new iPhone XS, XS Max, or XR models also notice higher consumption simply because they spend more time exploring new features.

ATT rollout delayed, but the privacy battle rages on

Apple announced that App Tracking Transparency (ATT) will launch early next year instead of alongside iOS 14 as originally planned. The delay gives developers extra time to integrate the opt‑in prompt that blocks cross‑app identifier tracking.

Advertisers, led by Facebook, argue that ATT will cripple their revenue streams. Apple’s software chief Craig Federighi counters that the feature reflects a core privacy value and will eventually benefit even the critics by restoring user trust.

Privacy advocates such as Amnesty International and the Electronic Frontier Foundation have backed Apple’s stance, sending a letter that praises the universal application of ATT across all developers, including Apple itself.

What to watch

Track the rollout of the iOS 9.2.1 patch on iTunes‑only updates and monitor any court filings in the Error 53 class action. Keep an eye on the next macOS security bulletin for follow‑up Spectre tweaks. Finally, note the exact date Apple enables ATT for iOS 15, as that will determine how advertisers reshape their measurement tools.