Lock and unlock your phone. See | Motorola C331 specification

Answer Options	M > Settings
	> In-Call Setup
	> Answer Options

Turn call answering options on or off:

Multi-KeyAnswer by pressing any key.

SECURITY
Phone Lock	M > Settings > Security
	> Phone Lock

Lock and unlock your phone. See page 134.

Lock Keypad	M > Settings > Security
	> Lock Keypad

View instructions on how to lock and unlock your keypad. See page 135.

Lock Application M > Settings > Security

>Lock Application

Lock and unlock speciﬁc phone applications (such as phonebook or datebook). When an application is locked, users must enter the unlock code to use the application.

Talk Secure	M > Settings > Security
	> Talk Secure

Activate a secure connection to prevent others from intercepting your calls. See pages 32 and 136.

Restrict Calls	M > Settings	> Security
	> Restrict	Calls

Restrict incoming and outgoing calls. See page 135.

Menu Feature Descriptions

Page 57

Image 57

Motorola C331 manual Lock and unlock your phone. See, Restrict incoming and outgoing calls. See

C331 specifications

The Motorola C331, released in the early 2000s, is a classic mobile phone that holds a special place in the hearts of many technology enthusiasts. This device was known for its compact design and user-friendly layout, catering to the needs of the everyday mobile user during its era.

One of the standout features of the Motorola C331 is its lightweight and compact form factor. Weighing in at just 85 grams, it easily fits into a pocket or purse, making it a highly portable choice. The phone boasts a 1.5-inch monochrome LCD display, which, although modest by today’s standards, was efficient for displaying essential information such as the time, battery life, and signal strength.

The C331 was designed with simplicity in mind. It featured a straightforward keypad comprising 12 keys that allowed for easy dialing and text messaging. The intuitive interface facilitated access to basic functions without the clutter of unnecessary features. Durable construction earned it a reputation as a robust phone, capable of withstanding daily wear and tear.

Equipped with a long-lasting battery, the Motorola C331 had a standby time of up to 300 hours and talk time reaching approximately 5 hours. This impressive battery performance was a significant selling point, allowing users to stay connected for extended periods without constant recharging.

The phone supported basic connectivity options, operating on GSM networks, which were widely adopted during that time. The C331 provided the essential calling capabilities, along with SMS texting features, allowing users to communicate easily and efficiently.

Despite its lack of advanced technologies such as cameras or internet connectivity, the Motorola C331 was celebrated for what it did well: reliable performance, efficient communication, and durability. Its simplicity appealed to those who preferred a straightforward phone experience without the distractions of modern smartphones.

Overall, the Motorola C331 remains a nostalgia-inducing example of mobile phone design from a bygone era. It represents a time when phones were primarily tools for communication, emphasizing practicality over features. Its legacy continues to inspire appreciation for the foundational technologies that paved the way for today’s sophisticated mobile devices.

Contents

Antenna Earpiece WelcomeMenu Key Send Key Motorola, Inc. All rights reserved Software Copyright NoticeManual number Cover number 8988485L49-O Menu Map Main MenuShortcuts Other Settings Settings Menu Contents Making a Three-Way Call Additional On-Call Features Contents Standard Shortcuts Creating a Shortcut Starting a Browser Session Interacting With Web PagesCalculating Numbers Converting Currency Additional Health and Safety Information Optional Features Navigating to a Menu FeatureOptional Accessories Find the Feature This device may not cause harmful interference, Safety and General Information Exposure To Radio Frequency Energy Portable Phone Operation and EME Exposure Antenna Care Phone OperationBody-Worn Operation Data Operation Approved AccessoriesFacilities Aircraft Other Medical Devices Hearing Aids Potentially Explosive Atmospheres For Vehicles With an Air Bag Blasting Caps and Areas AntennasBatteries Back Cover Battery Your phone is partially assembled when shippedGetting Started What’s in the Box? To assemble your phone Assembling Your PhoneDo This If necessary, ﬁt Keypad into the front cover Do This To disassemble your phone Taking Your Phone Apart Cycles Charging the Battery Replacing the Battery Power End key Turning Your Phone OnDo This Press and hold P Ending a Call Making a CallPress Press End the call Seeing Your Phone Number Answering a CallAnswer the call Press See your phone number About Your Phone Using the Display ➊ Signal Strength Indicator Vertical bars show Low Battery and hear the low battery alert➑ Active Line Indicator Shows the current active phone line Adjusting Volume When AdjustZooming In and Out Battery Use Battery CareAs a refrigerator Backlight uses power. To turn it off, see Extending Battery LifeTurn off your display backlight Avoid keypad-intense functions Using Talk Secure Using Caller IDMaking and Answering Calls Redialing a Number Calling an Emergency Number Returning Unanswered CallsSee the received calls list Select a call to return Press Either volume key Turn off the alert Canceling an Incoming CallCancel the incoming call Turning Off a Call Alert Calling With Speed Dial Calling With One-Touch DialCalling a Number In a Text Message Do This To Call Additional Calling Features Using Features While On a Call Using Call WaitingMaking a Three-Way Call Additional On-Call Features Navigating to a Feature Using the MenuUse these keys to move through the menu system Left Soft Key To go back to Selecting a Feature OptionPrevious Screen Entering Feature Information Flashing Press Cursor Press Cancel Press M Stored InformationIndicates To view Choosing a Text Mode Press M from any text entry screen to select a text modeEntering Text Using Tap Method General Text Entry Rules Space @ & ~ ¿ ¡ Character Chart Symbol Chart Using Symbol ModePress Number key Multiple times Enter the symbol at Press a number Using iTAP Software Predictive Text Entry Method Enter Words¿ ¡ ~ ω = π ß σ $ £ ¥ θ # % * ξ ψ + x * / = # § Or # Press Enter the rest of the wordCursor location Space is automatically Punctuation Enter Novel WordsEnter punctuation or other Characters as shown Capitalization Enter NumbersDelete Letters and Words All calls since reset, and all calls total. See Menu Feature DescriptionsView a list of recently received calls. See View a list of recently dialed calls. See Listen to your recorded SeeVoice messages. See Read and manage text View all outgoing text Create keypad shortcuts to menu features. SeeUndelivered Store and edit text View a detailed battery charge meter From your service provider directly to your phone. SeeUse your phone as a calculator or currency converter. See Play games on your phone. See Current call No in-call timer display Restrict incoming and outgoing calls. See Lock and unlock your phone. See Change the text Displayed when You turn on your Phone Wrap around when it Battery powerAdjust the phone’s power Usage characteristics to Reset all options back to Password, or credit cardTimer For your display User-entered information View and adjust your phone’s network settings Car Settings Viewing Received Calls or Dialed Calls Recent CallsSelect the list Scroll to an entry Option Description Viewing and Resetting Call Timers Using the Notepad Timer Description Scroll to the timer you want\ To view a call timerReset the time if available Conﬁrm the reset Phonebook Voice Name indicatorViewing Entry Details Number or Enter Information Storing a Phonebook Entry Available for email entries Select TypeScroll to the number type Select the number type Complete Phonebook Entry Storing a PIN Code with a Phone Number Your phone dials Insert a p pause characterCall to connect, then sends Remaining digits Name Press Done Store the voice name Recording a Voice Name For a Phonebook Entry Dialing a Phonebook Entry Phonebook ListVoice Dial Deleting a Phonebook Entry Editing a Phonebook Entry Setting the Primary Number for a Phonebook Entry Checking Phonebook CapacitySet the primary number Sorting the Phonebook List Select the view preference Change view preferenceSet the view preference To set an entry’s primary phone number, see Week View Datebook Event View Day View Changing Event Information Adding a Datebook Event Copying an Event Deleting an Event Turning the Radio On and Off Radio Storing a Preset Tuning a StationSelecting a Preset Preset location Phonebook or recent call lists Messages-Voicemail Storing Your Voicemail NumberStore the number Receiving a Voicemail Message Listening to a Voicemail MessageListen to the message Setting Up the Text Message Inbox Messages-TextPeriod Receiving a Text Message Reading, Locking, or Deleting a Text Message Following indicators show message status = unreadScroll to the message = read = read and urgent f = read and locked Text Msg Menu includes the following options Close the message Compose and send a replyDelete the message Call the number in the message Storing Sounds Sending a Text Message For more information about using sound ﬁles, see pages 99As you complete the steps below, note the following Select To Enter manually Number/address that youSelect numbers/addresses Call lists Sending a Quick Note Text Message Viewing the Status of Sent Text Messages Selecting a Ring Style Ring StylesScroll to the ring style Select the ring style Customizing a Ring Style Change Style SettingsActivate and Deactivate Ringer IDs Press Scroll to Ringer IDs Creating Alert Tones Set Ringer or Keypad VolumeCreate a Tone 100 Octave Enter NotesKey Display Description Key Display Description Sharp ﬂat Lengths and Modiﬁers Rest102 Repeat Characters Volume Control CharactersDo This Action 103 104 Task Action Play a Tone ExampleEnter note ﬂat 106 Edit a Tone Delete a Tone Setting RemindersDownload a Tone 107 To turn off all reminders Select the reminder alert108 Standard Shortcuts ShortcutsCreating a Shortcut Do This Press M Enter the menu system Use a Keypad Shortcut Using ShortcutsSelect a Shortcut From the List Do This Press S Scroll to the menu item Starting a Browser Session BrowserOr application 111 112 Interacting With Web Pages Calculator Calculating Numbers113 114 Function Description Number keys Enter the exchange rate Converting CurrencyStore the exchange rate Perform the conversion Playing a Game GamesGame Options 116 Blackjack Rules of the Game117 How to Play Falling Numbers118 Video Poker Game is over when you lose all of your creditsPress M to select the following options 119 120 Reordering Menu Items Adjusting Your SettingsCustomizing a Soft Key Function 121 Set TTY Mode TTY Operation122 123 Switch to TTY Mode During a Voice Call Hands-Free Use Return to Voice ModeAutomatic Answer 124 Select the feature Power-Off DelayConﬁrm the setting Automatic Hands-Free Charger Time Scroll to the time delayConﬁrm your selection Scroll to the charge time Set Up a Cable Connection Connecting Your Phone to an External DeviceData Calls 127 Plug the serial cable Attaching a Serial CableWith the Motorola logo 128 Making a Data Call Install the SoftwareAttaching a USB Cable 129 Set Up Your Phone Receiving a Data Call130 Transfer the Data Reset Normal Voice OperationEnd the Data Connection 131 Assigning a New Code or Password Security132 133 If You Forget a Code or Password Lock Your Phone Manually Locking and Unlocking Your PhoneSet Your Phone to Lock Automatically 134 Restricting Calls Locking and Unlocking Your KeypadUnlock Your Phone Press Lock or unlock your keypad 136 Activating Talk Secure Is your phone Press M #. If you do not see Set up TroubleshootingCorrectly? Service provider Is your battery Question Answer Problem Solution Pressed When I try toNothing Happened Though Rings evenSelected Style Drops My phone hasCalls Cannot hear Passwords, or CommandsMy battery Battery life 142 Doesn’t work ShortcutWith my Phone Plugged Why does When sendingAttached My data Says Browser butDisplay Says 145 Submit the security Programming InstructionsScroll to MIN Keypad keys for Enter the new MIN Digit MIN Store the new MIN Exit programming147 148 Speciﬁc Absorption Rate Data 149 150 Why the concern? 151 What kinds of phones are in question? 152 153 154 155 What is FDAs role concerning the safety of mobile phones? 156 Where can I ﬁnd additional information? For additional information, see the following Web sites157 Fields from Cellular and PCS Radio Transmitters Food and Drug Administration FDA Center forDevices and Radiological Health 158 Warranty What This Warranty Covers159 II. What the Period of Coverage Is IV. What We Will Do to Correct Warranty ProblemsIII. Who is Covered 160 Canada How to Get Warranty ServiceCellular All Products Paging TTY Text Telephone 162 VI. What This Warranty Does Not Cover Contact with extreme heat, or spills of food or liquid 163 164 VII. Some Other Limitations VIII. Patent and Software Provisions IX. State Law and Other Jurisdiction Rights165 USA Canada Motorola, Inc North U.S. Highway Whittle Road Libertyville, IL166 Export Law Assurances Product RegistrationOnline Product Registration Thank you for choosing a Motorola product 168 Index 169 Restricting Original 132 computer Email, sending 74170 Indicators 127-129 Factory settings, resetting115 Use 27 Missed call Making a call 25 master clear 61 master resetLock applications 57 keypad 57, 135 phone Menu Navigation key 39 network settings 61 notepad Deﬁned 121 Scroll feature43-51 My telephone number 26, 38 My tones Attaching two numbers Redialing Device Erase user-entered informationViewing your own 55 voice dial 174 Voice name indicator 68 PIN code Phonebook Attaching two numbers175 176 Ringer Text entry Using Standby time, increasingUnlock Keypad 57, 135 phone 177 Reminders, turning on/off Using 87-88 volume Earpiece Voice key Recording a voice name178 Safety is your most important call Wireless Phone Safety Tips 180 181 Wherever wireless phone service is available 182

Answer Options

Lock and unlock your phone. See page 134.

Lock Keypad

Lock Application M > Settings > Security

Talk Secure

Restrict Calls

Restrict incoming and outgoing calls. See page 135.

C331 specifications