Untethered is any technique that facilitates an action of a technical device without a direct control. Specifically it may refer to: * Untethered regimen, a technique combining the use of an insulin pump with a slow-acting insulin analog * "Untethered" (''Law & Order: Criminal Intent''), 2007 * Untethered jailbreak, a type of iOS jailbreak that allows a device to boot up jailbroken every time it is rebooted. This does NOT require a “re-jailbreaking” process. The only way to get rid of a jailbreak using this process is to restore the device.

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