Voice control is a new accessibility feature in iOS 13, which allows you to fully control the device with your voice. From launching apps, adjusting the volume, restarting the iPhone, waking up the iPhone to unlocking the screen, and many more other actions, even when you're not connected to the internet. This is an excellent way to interact with your iPhone or iPad hands-free. To unlock your iPhone using voice instead of a PIN, Touch ID, or facial recognition, follow the steps below.
Step 1: Open the Settings app.
Step 2: Scroll down and tap Accessibility. It's located just under General.
Step 3: Scroll down and tap Voice Control. It's located in the Physical and Motor section.
Step 4: Toggle on Voice Control or tap Set Up Voice Control if you've never used this feature.
Step 5: Tap Customize Commands.
Step 6: Tap Custom on the following screen.
Step 7: Tap Create New Command.
Step 8: Type the phrase (ex: Unlock my iPhone) you want to speak and then tap the blue Done button.
Step 9: Tap Action shown on the same screen.
Step 10: Tap Run Custom Gesture.
Step 11: Emulate your PIN entry by tapping on the black screen.
Step 12: Tap Stop in the bottom right corner to complete the recording.
Step 13: Tap Save in the top right corner to save this gesture.
Step 14: When you return to the Action screen. Tap New Command in the top left corner to go back.
Step 15: Tap Save.
When Voice Control is listening, you can say words and phrases you created for system commands like: