User Guide

Accessibility settings
Use these settings when you’ve downloaded and installed an accessibility tool, such as
a screen reader that provides voice feedback. You can turn accessibility functions or
services on or off.
1. Slide the Notifications panel open, and then tap .
2. Tap Accessibility and choose the settings you want.
Working with certificates
Use client and Certificate Authority (CA) digital certificates to enable HTC One to
access VPN or secured Wi-FI networks, and also to provide authentication to online
secure servers. You can get a certificate from your system administrator or download
it from sites that require authentication.
Some apps such as your browser or email client let you install certificates directly in
the app. See the app's help for details.
Installing a digital certificate
You must set a lock screen PIN or password before installing a digital certificate.
1. Save the certificate file in the root folder on HTC One.
2. Go to Settings, and then tap Security.
3. Tap Install from phone storage.
4. If you have more than one certificate in the root folder, select the certificate you
want to install.
5. Enter a name for the certificate and tap OK.
Assigning a PIN to help protect your SIM card
You can help to protect your SIM card by assigning a PIN (personal identification
number) that you enter before accessing your SIM.
Make sure you have the default SIM PIN provided by your mobile operator before
continuing.
1. Go to Settings, and then tap Security.
2. Tap Set up SIM card lock, then select Lock SIM card.
171 Settings and security