User guide
Restoring a SIM card that has been locked out
If you enter the wrong PIN more times than the maximum number of attempts
allowed, your SIM card will become “PUK-locked.”
You need a PUK code to restore access to HTC Desire 310. 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.
Protecting HTC Desire 310 with a screen lock
Help protect your personal information and help prevent others from using
HTC Desire 310 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 310 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.
Navigating HTC Desire 310 with TalkBack
Use TalkBack if you need to navigate HTC Desire 310 by spoken feedback. When you
touch the screen, HTC Desire 310 vibrates and gives you an audible response so you
know what you are touching.
Turning TalkBack on
1. Go to Settings.
2. Tap Accessibility > TalkBack.
82 Settings and security










