Nokia 3720 classic User Guide
Get started 6Keys and parts 6Insert the SIM card and battery 6Insert and remove the memory card 8Charge the battery 8Antenna 9Accessories 9
Switch it on 10About your device 10Network services 11Access codes 11Switch the device on and off 12Standby mode 12Navigate the menus 13Torch 14Keypad lock 14Functions without a SIM card 14Flight profile 14
Make it your device 15Basic settings 15Personalise your phone 16Connect 18Network provider services 20
Stay in touch 22Make calls 22Text and messages 24E-mail 27
Image and video 28Capture an image 28Record a video clip 29Camera and video options 29
Entertainment 31Listen to music 31Web 33Games and applications 35
Maps 36Download maps 36Maps and GPS 37Extra services 37
Organise 38Manage contacts 38Business cards 39Date and time 39Alarm clock 39Calendar 39To-do list 39Notes 40Nokia PC Suite 40Calculator 40Countdown timer 40Stopwatch 40
Support and updates 41Support 41My Nokia 41Download content 41Software updates using your PC 41Software updates over the air 42Restore factory settings 42
Green tips 43Save energy 43Recycle 43Learn more 43
Digital rights management 44
Third-party applications 44
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Battery 44Battery and charger information 44
Care and maintenance 45Recycle 46
Additional safety information 46Magnets and magnetic fields 46Small children 46Operating environment 46Medical devices 46Vehicles 47Potentially explosive environments 47Emergency calls 47Certification information (SAR) 47
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Read these simple guidelines. Notfollowing them may be dangerous orillegal. Read the complete user guide forfurther information.
SWITCH ON SAFELYDo not switch the device onwhen wireless phone use isprohibited or when it maycause interference or danger.
ROAD SAFETY COMES FIRSTObey all local laws. Always keepyour hands free to operate thevehicle while driving. Your firstconsideration while drivingshould be road safety.
INTERFERENCEAll wireless devices may besusceptible to interference,which could affectperformance.
SWITCH OFF IN RESTRICTED AREASFollow any restrictions. Switchthe device off in aircraft, nearmedical equipment, fuel,chemicals, or blasting areas.
QUALIFIED SERVICEOnly qualified personnel mayinstall or repair this product.
ACCESSORIES AND BATTERIESUse only approved accessoriesand batteries. Do not connectincompatible products.
Your device is made for rough ambientconditions. It is tested and certifiedaccording to the international standardIEC 60529/level IP54 regarding water anddust protection and according to IEC60068-2-27 regarding shock protection.
Accessories to be used with this device donot meet the same durability, dust-resistance, or water-resistancespecifications as the device itself. Forexample, all the chargers are only to beused in dry conditions. They should neverbe used when damp or wet.
Using your device in wet or dustyconditions Water-resistance means resistance
against clean freshwater only. Do notexpose the device to any other type ofliquid. For example, do not expose thedevice to ocean water, drinks, mud, orliquid chemicals or detergents.
Do not submerge the device in water. Do not expose the device to hot water. If the device has been exposed to
water, wipe it off with a dry cloth. If ithas been exposed to salt water orother liquid, splash immediatelysome clean freshwater on the device.The device must be carefully wipeddry.
Never connect anything to the bottomconnectors if they are dusty, wet ordamp. For example, never charge thedevice when the bottom connectorsare wet or damp. Never try to connectanything to the connectors by usingforce as this may break the device.
Before opening the back cover (1),clean and dry the device to prevent
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water or dust from reaching theinterior of the device and only openthe device in dry and clean conditions.Make sure the interior of your deviceand the back cover (1) seals are dry,clean, and free of any foreign objects.Foreign objects or dust may damagethe seals against water.
If connectors are dusty, they must becarefully cleaned before using them.To clean the bottom connectors andthe bottom connector area, you mayopen the connector cover (2) at thebottom of the device and carefullysplash some clean freshwater ontothe bottom connectors to remove thedust. Wipe the device and connectorarea dry carefully. The inside of theconnectors must be allowed to dry.Never insert any tools into connectorsor connector area.
1 Back cover
2 Connector cover
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Want to get your deviceready to use? Rely onrobustness and durabilityeven if ambient conditionsare rough.Get started
Get to know your device, insert thebattery, SIM card, and memory card, andlearn some important information.
Keys and parts
1 Earpiece2 Display3 Left and right selection key4 Call key5 Microphone6 Torch key7 End/Power key8 Navi key (scroll key)
10 Volume keys11 Loudspeaker12 Wrist strap eyelet13 Camera lens14 Camera flash15 Connector cover16 Nokia AV Connector (2.5 mm)17 Micro USB cable connector18 Charger connector
Insert the SIM card and batteryThis device is intended for use with aBL-5CT battery. Always use original Nokiabatteries. See "Nokia batteryauthentication guidelines", p. 45.
The SIM card and its contacts can be easilydamaged by scratches or bending, so becareful when handling, inserting, orremoving the card.
6 Get started
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To release and replace the back cover, turnthe screw with a coin or screwdriver.
1 To release the back cover, turn thescrew anticlockwise as far as it goes(1, 2). Do not screw too tightly.
2 Remove the back cover and battery (3,4).
3 Open the SIM card holder. Insert theSIM card into the holder with thecontact surface facing down (5). Closethe SIM card holder.
4 Line up the battery contacts, andinsert the battery (6). Replace theback cover (7). The back cover fitstightly. Press the back cover downuntil it locks into place.
5 Ensure that the back cover is properlyin place. Lock the back cover byturning the screw clockwise as far asit goes (8, 9). Do not screw too tightly.
Get started 7
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Insert and remove the memory card
Use only compatible microSD cardsapproved by Nokia for use with thisdevice. Nokia uses approved industrystandards for memory cards, but somebrands may not be fully compatible withthis device. Incompatible cards maydamage the card and the device andcorrupt data stored on the card.
Your device supports microSD cards witha capacity of up to 8 GB.
The size of a single file must not exceed 2GB.
Insert the memory card
1 Remove the back cover and thebattery.
2 Open the memory card holder (1).
3 Insert the card into the memory cardholder with the contact surface facingdown (2).
4 Close the memory card holder (3, 4).5 Replace the battery and the back
Remove the memory card1 Remove the back cover and the
battery.2 Open the memory card holder, and
remove the memory card. Close thememory card holder.
3 Replace the battery and the backcover.
Charge the batteryKeep the device dry. If your device doesget wet, allow the device to drycompletely before connecting thecharger.
Your battery has been partially charged atthe factory. If the device indicates a lowcharge, do the following:
1 Connect the charger to a wall outlet.
2 Connect the charger to the device.
8 Get started
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3 When the device indicates a fullcharge, disconnect the charger fromthe device, then from the wall outlet.
You do not need to charge the battery fora specific length of time, and you can usethe device while it is charging. If thebattery is completely discharged, it maytake several minutes before the chargingindicator appears on the display or beforeany calls can be made.
Your device may have internal andexternal antennas. Avoid touching theantenna area unnecessarily while theantenna is transmitting or receiving.Contact with antennas affects thecommunication quality and may cause ahigher power level during operation andmay reduce the battery life.
The figure shows the antenna areamarked in grey.
AccessoriesKeep the device dry. If your device doesget wet, allow the device to drycompletely before connecting anaccessory.
If attached, remove the charger from thedevice before opening the connectorcover.
Connect a USB cable
Open the cover of the USB connector, andconnect the USB cable to the device.
Warning:When you use the headset, your ability tohear outside sounds may be affected. Donot use the headset where it canendanger your safety.
When connecting any external device orany headset, other than those approvedby Nokia for use with this device, to theNokia AV Connector, pay special attentionto volume levels.
Do not connect products that create anoutput signal as this may cause damageto the device. Do not connect any voltagesource to the Nokia AV Connector.
Get started 9
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Thread a strap as shown in the picture andtighten it.
What's that torch symbol onthe keypad? Switch on yourphone an
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