Apple released important fixes with its surprise iOS 26.3.1 update, but users have spotted problems.
Apple released iOS 26.3.1 on March 4, 2026. Discover every new feature, from the "Limit Precise Location" privacy tool to essential fixes.
Apple last week released iOS 26.3.1, build number 23D8133. Now, some iPhone users report that the new update is causing new issues on their iPhone after installation.
Apple Security Updates: Security researchers say the attack combines several vulnerabilities to target devices running iOS versions between iOS 13 and iOS 17.2.1.
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