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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 Desire 820. 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.
Lock screen notifications
Choose the types of notifications to show or hide on the lock screen.
1. Go to Settings, and then tap Security.
2. Under Lock screen, tap Notification settings.
3. Choose whether to show or hide notifications such as missed calls and text
messages.
Hiding the caller from the lock screen
You can prevent the names and photos of incoming callers from appearing on the
lock or security screens.
The caller must be in your private contacts list.
1. Go to Settings, and then tap Security.
2. Under Lock screen, select Incoming phone calls.
Setting a screen lock
Help protect your personal information and help prevent others from using
HTC Desire 820 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 Desire 820 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.
170 Settings and security
170


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