You can set up
HTC U19e to unlock the screen with your irises when the screen is on.
Before deciding whether to use
Iris Unlock, here are a few things you need to be aware of.
- Iris Unlock should not be used by children.
- People with conditions triggered by light, such as epilepsy, should consult a doctor before using this feature.
- If you experience dizziness, eyestrain, or unusual symptoms, discontinue use and use a different method to unlock your phone.
- Iris Unlock is not a medical device, and should not be used for diagnosis or treatment of any medical condition.
For best iris scanning results
Follow these tips when using
- Register your irises in a bright, evenly-lit environment. Once registered, you can use
Iris Unlock in almost any lighting.
- Avoid glare and direct sunlight.
- Do not wear sunglasses or cosmetic contact lenses, such as colored contact lenses.
- If you wear glasses, make sure to minimize glare when scanning.
- Hold your phone at eye level and at a distance of 20 to 30 cm (8 to 12 in) from your face.
- Make sure your phone is not tilted sideways while scanning.
- Some screen protectors and cases might interfere with
- Keep your eyes wide open and your phone still during scanning.
Note: Biometric unlocking methods such as
Iris Unlock may be less secure. Your phone could still be unlocked by someone with similar biometrics. If you have any concerns, use other more secure authentication methods such as a screen lock pattern, PIN, or password.