HTC One E8 - Manual (Page 175)

Restoring a nano SIM card that has been locked out
If you enter the wrong PIN more times than the maximum number of attempts allowed, the card
will become “PUK-locked.”
You need a Pin Unlock Key (PUK) code to restore access to HTC One (E8). Contact your mobile
operator for this code.
1. On the Phone dialer screen, enter the PUK code, and then tap Next.
2. Enter the new PIN you want to use, and then tap Next.
3. Enter the new PIN again, and then tap OK.
Setting a screen lock
Help protect your personal information and help prevent others from using HTC One (E8) without
your permission.
Choose to set a screen lock pattern, numeric PIN, or other means of securing your phone. You'll be
asked to unlock the screen every time HTC One (E8) is turned on or when it’s idle for a certain
period of time.
1. Go to Settings, and then tap Security.
2. Tap Screen lock.
3. Select a screen lock option and set up the screen lock.
4. Tap Lock phone after, then specify the idle time before the screen is locked.
You can also clear Make pattern visible or Make passwords visible if you don’t want your
screen lock to display as you enter it onscreen.
Setting up Smart Lock
Set up your phone to detect your face or another trusted device before you can unlock the screen.
1. Go to Settings, and then tap Security.
2. Tap Screen lock, and then select and set up a screen lock.
This will be your backup screen lock method to use in case the phone doesn't recognize you
or a trusted device.
3. On the Security screen, tap Smart Lock.
4. Confirm your screen lock.
5. Tap Trusted face.
175 Settings and security