iOS 26.5.1 Downgrades Are Dead After Apple's Fix

Apple closed normal downgrades to iOS 26.5 and 26.5.1, pushing iPhone users onto iOS 26.5.2 after its security fix.

Key takeaways

• On Tuesday, July 7, 2026, Apple turned last week’s iOS 26.5.2 security release into a one-way path: users who move beyond iOS 26.5 or iOS 26.5.1 can no...
• Apple has stopped signing both older versions, according to 9to5Mac , after releasing iOS 26.5.2 on June 29. That timing matters. Apple gave the newer build a ...
• July 7 cutoff turns iOS 26.5.2 into the only normal restore path
• Apple’s signing system is the gatekeeper for official iPhone restores. If Apple signs a build, users can install or restore to it through standard software tools. If A...

👉 Read the full breakdown on MLXIO

Canonical source: https://mlxio.com/cybersecurity/ios-26-5-1-downgrades-locked