AT&T Z431 manual Customization, AT&T Software Update, PIN2 and PUK Codes, Fixed Dialing

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PIN2 and PUK Codes

PIN2 codes are used for some settings. To change the PIN2 code, use the same procedure as outlined above for the PIN code.

A PUK code is the unlock code for the SIM card. This code can be used to unlock a SIM card when you have entered the wrong PIN code 10 times. When you enter the correct PUK code, you will be able to re-assign a new PIN code, after which the SIM card can be used normally. Contact your service provider for more information.

A PUK code can only be entered 10 times in a row. If you enter the wrong PUK code more than 10 times, the SIM card will be locked indefinitely.

Note: If a PUK code is supplied with your SIM card, store it securely.

Fixed Dialing

If you set Fixed Dialing Status to On, you can only dial numbers on the Fixed Dialing Numbers list. You will need to enter your PIN2 code to use this feature.

Master Clear/Reset

The Master Clear function will clear all user data and reset the phone to factory default settings. The Master Reset function will only reset the phone to factory default settings.

AT&T Software Update

This function will automatically check for updated software for the phone. If updated software is available, it will download and install the software.

Customization

My Menu allows you to customize shortcuts to frequently used functions on your phone. From the home screen, press the Left Soft Key for Go To. My Menu displays the list of menu shortcuts.

Using the keypad, press the number of the shortcut to access it immediately.

To add a shortcut, use the 4-Way Navigation Key to highlight a slot designated as Empty.

Press the Left Soft Key for Options and press the OK Key to Assign. Choose from the list of Main Menu items and press the Left Soft Key to Assign

the shortcut.

To remove a feature from the My Menu list, press the Left Soft Key for Options and choose Remove > OK.

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Settings

Customization

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Contents User Guide Contents Contents Iii Removing the Battery Removing the Back Cover and Installing the BatteryGetting Started Starting UpInserting the microSD Card Inserting the SIM CardRemoving the SIM Card Switching Your Phone On/Off Charging the BatteryHold the Power/End Key to turn your phone on or off Removing the microSD CardKey Functions Getting to Know Your PhoneHome Screen Indicators and IconsMain Menu Icons Main MenuIcon Name Description AT&T Navi Spoken turn-by-turn directionsHow to Receive Calls How to Make CallsAdjusting Your Call Settings Using the Address BookUsing Call History Adjusting the VolumeAddress Book Adding a New ContactPerforming a Speed Dial Configuring Speed DialUsing Address Book Entry Options Entering Text SMS and MMS Messages MessagingMultimedia Message Settings Text Message SettingsVoicemail Settings VoicemailSetting Up Your Email Account Browsing the Internet Receiving Data Sending DataCapturing and Viewing Pictures EntertainmentCapturing and Viewing Video MusicAT&T Radio Shop MusicMusic Player Social Networking Setting Up a Social NetworkVoice Recorder AT&T Social NetYPmobile Change Notification SettingsYellow Pages AT&T Navigator Tools AlarmCalendar CalculatorStopwatch Tip CalculatorWorld Time ConversionDisplay Settings SettingsPhone Settings Recent CallsProfiles Call SettingsSecurity Settings Connection SettingsPhone Password PIN CodeMaster Clear/Reset AT&T Software UpdateCustomization PIN2 and PUK CodesCare and Maintenance AccessibilityTTY Mode HAC Hearing Aid Compatibility ModeGeneral Guidelines Hospital Safety Aircraft SafetyBattery usage by children should be supervised Ctia RequirementsEmergency Service Road SafetyVehicles Equipped with Airbags Declaration of ConformityHAC Mode Troubleshooting and FAQsTemperature to return to Problem Possible Causes Possible Solution Battery willDefective Center for testing Use a soft, dry cloth to cleanFCC Compliance SpecificationsRadio Frequency RF Energy Normal wear and tear WarrantyOther Warranty Program How to Get Warranty Service
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