Working With Certificates; Protecting Your Sim Card With A Pin - HTC Desire 516 dual sim User Manual

84 Settings and security

Working with certificates

Use client and Certificate Authority (CA) digital certificates to enable
HTC Desire 516 dual sim 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 Desire 516 dual sim.
2. Go to Settings.
3. Tap Security > Install from SD card.
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.

Protecting your SIM card with a PIN

Add another layer of security for HTC Desire 516 dual sim by assigning a PIN (personal
identification number) to your SIM.
Make sure you have the default SIM PIN provided by your mobile operator before
continuing.
1. Go to Settings.
2. Tap Security > Set up SIM card lock.
3. Choose the SIM card you want to assign a PIN to.
4. Tap Lock SIM card.
5. Enter the default SIM card PIN, and then tap OK.
6. To change the SIM card PIN, tap Change SIM PIN.