Assigning A Pin To A Micro Sim Card; Accessibility Features - HTC one User Manual

158 Settings and security
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.

Assigning a PIN to a micro SIM card

You can help to protect the micro 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 micro 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.

Accessibility features

HTC One 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.