Which of the following poses the MOST significant security risk by potentially allowing unauthorized access to virtually all device functionalities and data?
Enabling GPS
Changing the wallpaper
Root access/jailbreak
Developer mode
Root access (Android) or jailbreaking (iOS) elevates a user or process to full administrator (super-user) privileges. This bypasses the sandboxing and permission controls that normally prevent apps from reading or modifying system files, installing kernel-level malware, or disabling security updates. Once rooted/jail-broken, any malicious code can freely access data and hardware components.
Developer mode can also increase risk-especially if USB debugging remains enabled-but it still respects the OS permission model unless combined with rooting. Changing the wallpaper is purely cosmetic, and enabling GPS only shares location data with apps that have been granted that specific permission; neither grants deep system access.
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