1. "Set Time for Use" option (choose when to stop using the phone).2. Press "Start Time Management" to begin counting down to the set time.3. Once time is up, the phone vibrates continuously until the screen is turned off. If turned back on, it keeps vibrating, prompting the child to return the phone to the parents due to the odd behavior.4. Closing the app stops the vibration.5. The constant vibration makes children uncomfortable, leading them to hand the phone back to their parents.