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Developer options
Stay awake: When enabled, the screen will not go to sleep (lock) while the
battery is charging, or while the device is connected to a computer through
a USB cable.
HDCP checking: Set if you want to use high-bandwidth digital copy
protection (HDCP) to check for digital rights management (DRM) content.
USB debugging: Enable to allow debugging when your device is attached
to a computer through a USB cable.
Allow mock locations: This setting is used by developers when developing
location-based applications.