View recent Onn questions, problems, & answers.In general, it consists of holding and pressing a combination of keys. For example, recovery mode galaxy S7, recovery mode android tablet, and Google Nexus recovery mode are all similar, but use different sets of keys. The access method varies from device to device.
One of the most obvious missing ingredients is the lack of a native SuperUser app, most likely to prevent inexperienced users from causing unintentional damage to their device's software.