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Apple has quietly pushed a software update in 2026 for some of its oldest smartphones: the iPhone 5s and iPhone 6 are receiving iOS 12.5.8, while the iPhone 6s gets iOS 15.8.6. These releases don’t add flashy features — they renew security certificates that keep basic services running.
Why this update matters more than it looks
At first glance, an update for phones from 2013–2015 might seem symbolic. In reality, the patch is essential. Apple’s changelog shows the new builds mainly refresh internal security certificates that underpin device activation and core services such as iMessage and FaceTime.
If you skip the update, those certificates are due to expire in January 2027. When that happens, affected devices may still power on, but crucial functions can silently stop working: you could lose the ability to activate the phone, send iMessages, or place FaceTime calls. In short, the handset becomes far less useful even if the hardware itself is intact.
This isn’t about speed or new tools — it’s about preventing a slow, quiet breakdown of services that makes an otherwise functional phone effectively unusable. Apple delivered a similar security-focused update for these models in January 2023; this follow-up buys them more time.
Who is affected and what to do? Very few people today use an iPhone 5s or iPhone 6 as a main device, but if you still rely on one, install the update. It’s a straightforward step that preserves activation, messaging, and calling features. The iPhone 6s owner gets the same protection through iOS 15.8.6.
- Devices updated: iPhone 5s and iPhone 6 (iOS 12.5.8), iPhone 6s (iOS 15.8.6)
- Main purpose: renew internal security certificates
- Risk if skipped: activation, iMessage, FaceTime may stop working after Jan 2027
Beyond the immediate fix, Apple’s move is a reminder that long-term software support can extend a device’s usable life. Many older phones fail not because the hardware dies, but because services and certificates expire — and Apple’s update keeps those devices connected for a while longer.
Source: gizmochina
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