49SettingsConnecting to a VPNA VPN (Virtual Private Network) is a technology allowinga connection externally to information on a protectedlocal network, such as in a corporation or university.When configuring VPN connection from this product,obtain security information from the networkadministrator.Adding a VPN1 From the "Settings" screen, tap "More..." `"VPN".2 Tap "OK" ` set a lock screen PIN or password.3 Tap "Add VPN network" ` the VPN type to add.4 Follow the administrator's instructions toconfigure each item of the VPN setting.5 Tap "Save".Connecting to a VPN1 From the "Settings" screen, tap "More..." `"VPN".2 Tap the VPN to connect.3 Enter the required information ` "Connect".■ Disconnecting from a VPNOpen the Notifications panel and tap the notification forthe VPN connection ` the connected VPN.Security CodeSome features require security codes to make variousfunctions more convenient. These include a password forlocking this product and a network security code fornetwork services. By using different codes for differentpurposes, you can get the most out of this product.Precautions for all security codesAvoid setting security codes using your birthday, part ofyour phone number, your address or room number,"1111" or "1234" that can be easily guessed by others.Be sure to write down the security codes and store themin a safe location.PIN1 code / PIN2 codeThe SIM card has two settable security codes, PIN1 codeand PIN2 code.PIN1 code is a 4- to 8-digit number (code) that is enteredto confirm the user when the SIM card is inserted in thisproduct, or when the product power is turned on. It isintended to prevent unauthorized use. Entering PIN1code makes the product operable.PIN2 code is a 4- to 8-digit number required when usingthe user certificate, such as when requesting issue.Note• In general, if you enter the incorrect PIN1 / PIN2 code 3 timesconsecutively, the PIN1 / PIN2 code is locked. Unlock usingPUK code.However, note that the number of times you are allowed toenter the incorrect codes depends on the SIM card type.Enabling the SIM's PINSet to require entry of the PIN1 code when the power isturned on.1 From the "Settings" screen, tap "Security" ` "Setup SIM card lock".2 Check the box of "Lock SIM card" ` enter the PIN1code ` "OK".■ Changing the PIN1 codeAfter step 1, tap "Change SIM PIN" ` enter the currentPIN1 code ` "OK" ` enter the new PIN1 code ` "OK" `enter the new PIN1 code again ` "OK".