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Settings and security
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. Go to Settings, and then tap 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 One. 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.
Navigating HTC One with TalkBack
Use TalkBack if you need to navigate HTC One by spoken feedback. When you touch the screen,
HTC One vibrates and gives you an audible response so you know what you are touching.
Not all languages are supported.
Turning TalkBack on
1. Go to Settings, and then tap Accessibility.
2. Tap TalkBack, and then tap the On/Off switch.
3. Read the TalkBack disclaimer and then tap OK. You'll be prompted to enable Explore by
touch, which provides an audible description of what you're touching on the screen.
A short tutorial explaining how to use TalkBack will begin playing after you turn on TalkBack.
TalkBack works best if you turn off auto-rotate and turn on Explore by touch.
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