Operation Manual

Restoring a UIM or SIM card that has been locked out
If you enter the wrong PIN more times than the maximum number of attempts
allowed, the UIM card will become “PUK-locked.”
You need a Pin Unlock Key (PUK) code to restore access to HTC Desire 516c dual sim.
Contact your mobile operator for this code.
1. On the Phone dialer screen, enter the PUK code, and then tap .
2. Enter the new PIN you want to use, and then tap .
3. Enter the new PIN again, and then tap OK.
Protecting HTC Desire 516c dual sim with a
screen lock
Help protect your personal information and help prevent others from using
HTC Desire 516c dual sim without your permission by setting a screen lock pattern,
face unlock, PIN, or password.
You'll be asked to unlock the screen every time HTC Desire 516c dual sim is turned on
or when it’s idle for a certain period of time.
1. Go to Settings.
2. Tap Security > Screen lock.
3. Select a screen lock option and set up the screen lock.
4. Tap Automatically lock, 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.
Managing your UIM and SIM cards with Dual
network manager
1. Go to Settings.
2. Tap Dual UIM settings.
3. You can:
§ Turn both slots on or off.
§ Tap a slot name to rename it.
§ Choose which slot you want to use for voice call, messaging, and data
connection.
85 Settings and security