Operation Manual

Assigning a PIN to a nano SIM card
You can help to protect the nano SIM card by assigning a Personal Identification Number (PIN).
Make sure you have the default PIN provided by your mobile operator before continuing.
1. From the Home screen, tap Settings Security.
2. Tap Set up SIM card lock.
3. Choose to lock the card, enter the default PIN of the card, and then tap OK.
4. To change the card PIN, tap Change SIM PIN.
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 650. 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.
Accessibility features
HTC Desire 650 comes with features and settings that allow easy access and use of apps and
functions.
Improve screen readability
If you have low vision, take advantage of these features to help improve screen readability.
§ Increase the font size, use color inversion, or enable high-contrast text using the
Accessibility settings. See Accessibility settings on page 145.
§ Turn magnification gestures on. See Turning Magnification gestures on or off on page 145.
§ Turn on automatic screen rotation. See Automatic screen rotation on page 140.
Get audible feedback when using the phone
Use TalkBack to hear audible feedback on what you do on your phone. See Navigating HTC Desire
650 with TalkBack on page 145.
Use your voice
You can use your voice to perform an action on HTC Desire 650.
144 Settings and security