jailbreak
n. countablen. the act of removing software restrictions on a device like a phone or tablet. This lets you install apps or change settings that the manufacturer usually blocks.
n. the process of removing software restrictions imposed by the manufacturer on a device's operating system. This typically involves exploiting security vulnerabilities to gain root access, allowing the installation of unauthorized software.
He performed a jailbreak on his old phone to install custom themes.
After the latest jailbreak was released, many users modified their tablets to run third-party applications not found in the official store.
While a jailbreak offers greater customization and control over the hardware, it often voids the manufacturer's warranty and may leave the device vulnerable to security threats.
From jail + break.
Often used as a compound noun in computing; can also function as a verb.