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LG -K420n User Manual
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LG -K420n User Manual

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USER GUIDE
LG-K420n
www.lg.com
MFL00000000 (1.0)

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  • Page 1 USER GUIDE LG-K420n www.lg.com MFL00000000 (1.0)
  • Page 2 About this user guide ENGLISH Thank you for choosing LG. Please carefully read this user guide before using the device for the first time to ensure safe and proper use. • Always use genuine LG accessories. The supplied items are designed only for this device and may not be compatible with other devices.

  • Page 3: Table Of Contents

    Charging the battery .......24 LG Bridge ..........41 Features of LG Bridge ..........41 Optimizing battery life ......25 To download the LG Bridge software .....41 Inserting the memory card ......26 Apps ..........42 Removing the memory card .....27 Installing or uninstalling apps ....43 Touch screen tips ........27...
  • Page 4 Creating a group ............47 Downloads ..........60 Messaging ..........48 FM Radio ..........60 Sending a message ............48 Conversation view ............48 LG Backup..........61 Changing your messaging settings....48 About backing up and restoring device Camera .............49 data ..................61 Taking a photo ..............49 To backup your device data .........61 Camera options on the viewinder ....49...
  • Page 5 General settings ........74 Language & keyboard ..........74 Location ................74 Accounts & sync ............75 Accessibility ..............75 Shortcut key ..............77 Security ................77 Quick Cover view ............78 Date & time ..............78 Storage & USB ..............78 Battery & power saving ..........79 Apps ..................79 Default message app ..........79 Backup &...
  • Page 6 Guidelines for safe and eficient use Important Information This user's guide contains important information about the use and operation of this phone. Read all information carefully for optimal performance and to avoid any damage or misuse of the phone. Any changes or modifications not expressly approved in this user's guide could void your warranty for this equipment.
  • Page 7 Safety Information Read these simple guidelines. Breaking the rules may be illegal or dangerous. More detailed information is provided in this user's guide. Never use an unapproved battery that could cause damages to the • phone or the battery itself, or even explode. Never place your phone in a microwave oven, as this will result in an •...
  • Page 8 Do not make or answer calls while charging the phone, which can • cause a short circuit, electric shock, or fire. Use only batteries and chargers provided by LG. The warranty does • not apply to products provided by other providers.
  • Page 9 Information about the RF exposure from FCC WARNING • Read this information before operating the phone. In August 1996, the Federal Communications Commission (FCC) of the United States, with its action in Report and Order FCC 96-502, adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters.
  • Page 10 Accessories worn close to the body, without keeping a minimum distance of 1 cm (0.39 inch) between the user's body and the back of the phone, and that have not been tested for typical body operation, may not comply with FCC's RF exposure limits and should be avoided. External antenna mounted on the vehicle (optional, if available) It must keep a minimum distance of 20 cm (8 inches) between the user...

  • Page 11: Guidelines For Safe And Eficient Use

    Adapter Precautions (Charger) Using the wrong battery charger could damage your phone and void • your warranty. The adapter or battery charger is only designed for indoor use. • Do not expose the battery charger or adapter to direct sunlight, or •...
  • Page 12 Always unplug the charger from the wall socket after the phone is • fully charged to save unnecessary power consumption of the charger. Avoid damage to your ear Damage to your hear can occur due to constant exposure to • excessive high sound.
  • Page 13 Those standards were based on comprehensive and periodic evaluations of the relevant scientific literature. For example, over 120 scientists, engineers, and physicians from universities, government health agencies, and industry reviewed the available body of research to develop the ANSI Standard (C95.1). * American National Standards Institute;...
  • Page 14 Driving Check the laws and regulations related to the use of wireless phones in the areas where you drive. Always obey these regulations. Also, if using your phone while driving, make sure to: Pay full attention to driving; driving safely is your first responsibility; •...
  • Page 15 Hearing Aids Some digital wireless phones may interfere with some hearing aids. In the event of such interference, we recommend that you contact your service provider. Other Medical Devices If you use any other personal medical devices, consult your device manufacturer to determine if they are adequately shielded from external RF energy.
  • Page 16 Potentially Explosive Atmosphere Turn off the phone when in an area with a potentially explosive atmosphere, and obey all signs and instructions. Sparks in such areas could cause an explosion or fire that could result in personal injury or death. Areas with a potentially explosive atmosphere are often clearly marked, but not always.
  • Page 17 The battery doesn't need to be fully discharged before recharging. • Only use LG approved chargers that are specifically made for your • phone model, since they are designed to maximize the battery life. Do not disassemble or short-circuit it.
  • Page 18 Do not use the phone if the antenna is damaged. If a damaged • antenna contacts skin, it may cause a slight singe. Contact an LG Authorized Service Facility to replace the damaged antenna. Do not immerse your phone in water. If this happens, immediately turn •...
  • Page 19 Do not switch the phone on/off while it is in your ear. • Repairs under warranty, at LG's discretion, may include replacement • parts or boards that are either new or reconditioned, provided that they have functionality equal to that of the parts being replaced.
  • Page 20 FCC Part 15.21 statement Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. Body-worn Operation This device was tested for typical body-worn operations with the back of the phone kept 0.39 inches (1cm) from the body. To comply with FCC RF exposure requirements, a minimum separation distance of 0.39 inches (1cm) must be maintained between the user’s body and the back of the phone.

  • Page 21: Features You Will Love

    Features you will love...

  • Page 22: Quickmemo

    QuickMemo+ The QuickMemo+ feature allows you to create memos. Using Capture+ You can use QuickMemo+ function to easily and efficiently create memos during a call, with a saved picture or on the current screen. Touch and slide the status bar downward and tap >...

  • Page 23: Gesture Shot

    Gesture shot The Gesture shot feature allows you to take a picture with a hand gesture using the front camera. Taking the photos with a gesture There are two methods for using the Gesture shot feature. Raise your hand, with an open palm, until the front camera detects it •...

  • Page 24: Basics

    Basics...

  • Page 25: Accessories

    • Items described above may be optional. • Always use genuine LG accessories. The supplied items are designed only for this device and may not be compatible with other devices. • The items supplied with the device and any available accessories may vary depending on the region or service provider.

  • Page 26: Device Layout

    Device layout Front Camera Lens Earpiece Proximity/Ambient Light Sensor Headset Jack Charger/USB Port Flash Rear Camera Lens Power/Lock Key Volume Keys NFC Touch Point Speaker Basics...
  • Page 27 Power/Lock Key Turn your device on/off by pressing and holding • this key. Short press to turn on/off the screen. • Volume Keys While screen is off: Press Volume Up Key twice to launch Capture+. • Press Volume Down Key twice to launch •...

  • Page 28: Turning Your Device On And Off

    WARNING • Do not insert a memory card into the SIM card slot. If a memory card happens to be lodged in the SIM card slot, take the device to a LG Service Centre to remove the memory card. NOTE •...
  • Page 29 Slide the SIM card into the SIM card slot as shown in the figure. Make sure the gold contact area on the card is facing downward. Insert the battery. Basics...

  • Page 30: Charging The Battery

    WARNING • Use only LG-approved chargers, batteries and cables. If you use unapproved chargers, batteries or cables, it may cause battery charging delay. Or this can cause the battery to explode or damage the device, which are not covered by the warranty.

  • Page 31: Optimizing Battery Life

    Optimizing battery life Extend your battery's power by turning off features that you do not need to run constantly in the background. You can monitor how applications and system resources consume battery power. Extending your device battery life: Turn off radio communications when you are not using. If you are not •...

  • Page 32: Inserting The Memory Card

    Inserting the memory card Your device supports up to a 32GB microSD card. Depending on the memory card manufacturer and type, some memory cards may not be compatible with your device. WARNING • Some memory cards may not be fully compatible with the device. Using an incompatible card may damage the device or the memory card, or corrupt the data stored in it.

  • Page 33: Removing The Memory Card

    Removing the memory card Before removing the memory card, first unmount it for safe removal. > General tab > Storage & USB > Unmount SD card. > > WARNING • Do not remove the memory card while the device is transferring or accessing information.

  • Page 34: Touch And Hold

    Touch and hold Touch and hold an item on the screen by tapping it and not lifting your finger until an action occurs. Drag Touch and hold an item for a moment and then, without lifting your finger, move your finger on the screen until you reach the target position. You can drag items on the Home screen to reposition them.

  • Page 35: Double-Tap

    Double-tap Double-tap to zoom on a webpage or a map. Pinch-to-Zoom Use your index finger and thumb in a pinching or spreading motion to zoom in or out when using the browser, Maps, or when viewing pictures. Basics...

  • Page 36: Google Account Setup

    Google account setup The first time you open a Google application on your device, you will be required to sign in with your existing Google account. If you do not have a Google account, you will be prompted to create one. Creating your Google account >...

  • Page 37: Locking And Unlocking The Device

    Locking and unlocking the device Pressing the Power/Lock Key turns off the screen and puts the device into lock mode. The device automatically gets locked if it is not used for a specified period. This helps to prevent accidental taps and saves battery power.

  • Page 38: Changing The Screen Lock Method

    Setting up the Knock Code feature > Display tab > Lock screen > Select screen lock > > > Knock Code. Tap the squares in a pattern to set your Knock Code. Your Knock Code pattern can be to 8 taps. Unlocking the screen using the Knock Code You can unlock the screen by tapping the Knock Code pattern you already set, when the screen turns off.

  • Page 39: Home Screen

    Home screen The Home screen is the starting point for many applications and functions. It allows you to add items like app shortcuts and Google widgets to give you instant access to information and applications. This is the default canvas and accessible from any menu by tapping Getting to Know the Home Screen Status Bar Widget...

  • Page 40: Returning To Recently-Used Applications

    Home Touch Buttons Back Returns to the previous screen. Also closes pop- Button up items, such as menus, dialog boxes and the on-screen keyboard. Home Return to the Home screen from any screen. Button Overview Displays recently used applications. If you touch Button and hold this button, it opens a menu of available options.

  • Page 41: Customizing The Home Screen

    Customizing the Home screen You can customise your Home screen by adding apps and widgets and changing wallpapers. Adding items on your Home screen Touch and hold the empty part of the Home screen. In the Add Mode menu, select the item you want to add. You then see this added item on the Home screen.

  • Page 42: Notiications Panel

    Notifications panel Notifications alert you to the arrival of new messages, calendar events and alarms, as well as ongoing events, such as when you are on a call. Opening the notifications panel Swipe down from the status bar to open the notifications panel. To close the notifications panel, swipe the screen upwards or tap Quick Settings Area...
  • Page 43 Status icons Notification icons The icons displayed at the top of the screen provide information about the status of the device. The icons listed in the table below are some of the most common ones. Icon Description Icon Description A song is currently No SIM card inserted playing No network signal...

  • Page 44: Capturing A Screenshot

    NOTE • The icon's location in the status bar may differ according to the function or service. • The available options may vary depending on the region or service provider. Capturing a screenshot Press and hold the Volume Down Key and the Power/Lock Key at the same time for 2 seconds to capture a screenshot of the current screen.

  • Page 45: Entering Special Characters

    Entering special characters The on-screen keyboard allows you to enter special characters. For example, to input "á", touch and hold the "a" button until the pop-up appears and displays related special characters. Without lifting the finger, drag your finger to the desired special character. Once it's highlighted, lift your finger.

  • Page 46: Transferring Data Between A Pc And The Device

    A window will pop-up on your PC, allowing you to transfer the desired data. NOTE • The LG Android Platform Driver is required to be installed on your PC to be able to detect the device. Check the requirements for using Media device (MTP). •...

  • Page 47: Lg Bridge

    • Supported features may vary depending on the device. • The LG unified USB driver is a program required to connect an LG device to a PC. It is automatically installed when installing LG Bridge. Features of LG Bridge Manage contents from your device on PC via Wi-Fi or data.

  • Page 48: Apps

    Apps...

  • Page 49: Installing Or Uninstalling Apps

    Installing or uninstalling apps Play Store allows you to browse and search for free and paid applications. To open the Play Store app > > To open a screen with details about an app At any time while browsing in Play Store, tap an app to open its details screen.

  • Page 50: Calls

    Calls You can enjoy clear calling across the region. Making a call > Enter the number using the dialer. To delete a digit, tap After entering the desired number, tap to place the call. To end the call, tap NOTE •...

  • Page 51: Making A Second Call

    Making a second call > Add call and enter the number. During your first call, tap Both calls are displayed on the call screen. Your initial call is locked and put on hold. Tap the displayed number to toggle between calls. Or tap to start a conference call.

  • Page 52: Contacts

    Contacts You can add contacts on your device and synchronise them with the contacts in your Google Account or other accounts that support syncing contacts. Searching for a contact > Tap Search contacts and enter the contact name using the keyboard. Matches are displayed as you begin to type.

  • Page 53: Creating A Group

    Creating a group > > Groups tab. > New group. Enter a name for the new group. You can also set a distinct ringtone for the newly created group. Tap Add members to add contacts to the group and tap ADD. Tap SAVE to save the group.

  • Page 54: Messaging

    Messaging Your device combines text and multimedia messaging into one intuitive, easy to use menu. NOTE • You may be charged for each message you send. Please consult with your service provider. Sending a message > > , then select one or more entries from your Contacts list. Enter a contact name or contact number into the To field.

  • Page 55: Camera

    Camera You can use the camera or camcorder to take and share pictures and videos. > > • Taking a photo Frame your subject on the screen. A square around the subject indicates that the camera has focused. Tap to take a photo. Your picture will be automatically saved to the Gallery.
  • Page 56 Set the ratio of your picture and the quality of video. Allows you to take pictures with voice commands. When on, you just say "Cheese", "Smile", "LG", etc. to take a picture. Set your camera's timer. This is ideal if you want to be a part of the picture or video.

  • Page 57: Once You Have Taken A Photo

    Once you have taken a photo Tap the image thumbnail on the screen to view the last photo you took. Tap to edit the photo. Tap to take another photo immediately. Tap to open the available sharing options. Tap to delete the photo. Tap to access additional options.

  • Page 58: After Recording A Video

    After recording a video Tap the video thumbnail on the screen to view the last video you recorded. Tap to record another video immediately. Tap to open the available sharing options (such as Messaging or Bluetooth) to share. Tap to delete the video. Tap to access additional options.

  • Page 59: Editing Photos

    Editing photos While viewing a photo, tap Setting wallpaper > Set image as to set the image as While viewing a photo, tap wallpaper or assign it to a contact. NOTE • Depending on the software installed, some file formats may not be supported. •...

  • Page 60: Deleting Photos/Videos

    Touch and hold to fast-forward incrementally. Tap to fast-forward 10 seconds. Touch and hold to rewind incrementally. Tap to rewind 10 seconds. Tap to adjust the video volume. Tap to lock/unlock the screen. Tap to access additional options. NOTE • While playing a video, slide the right side of the screen up or down to adjust the sound.

  • Page 61: E-Mail

    E-mail You can use the Email application to read email from providers other than Gmail. The Email application supports the following account types: POP3, IMAP, Microsoft Exchange (for Enterprise users) and other accounts. > > • Adding an account The first time you open the Email application, a setup wizard opens to help you add an email account.

  • Page 62: Changing An Email General Settings

    Changing an email general settings > Settings > General settings. • Deleting an email account > Settings > > Remove account > Select the account to • delete > REMOVE > YES. Music Your device has a music player that lets you play all your favourite tracks. NOTE •...

  • Page 63: Music Player Options

    Music player options Tap to pause playback. Tap to resume playback. Tap to skip to the next track in the album, playlist or shuffle list. Touch and hold to fast-forward. Tap to restart the current track or skip to the previous track in the album, playlist or shuffle list.

  • Page 64: Clock

    Clock The Clock app gives you access to the Alarms, Timer, World clock and Stopwatch functions. Access these functions by tapping the tabs across the top of the screen or swiping horizontally across the screen. > > • Alarms The Alarms tab allows you to set alarms. Tap Alarms tab.

  • Page 65: Stopwatch

    Stopwatch The Stopwatch tab allows you to use your device as a stopwatch. Tap Stopwatch tab. Tap Start to initiate the stopwatch. Tap Lap to record lap times. • Tap Stop to stop stopwatch. Calculator The Calculator app allows you to perform mathematical calculations using a standard or scientific calculator.

  • Page 66: Voice Recorder

    Voice Recorder The Voice Recorder app records audible files for you to use in a variety of ways. Recording a sound or voice > > to begin recording. to end the recording. to listen to the recording. NOTE • to access your recordings. You can listen to your saved recordings. Downloads Use this application to see what files have been downloaded through the applications.

  • Page 67: Lg Backup

    This LG Backup application is supported LG device, other software or operating system versions. As a result, when you buy the new LG device, you can backup the current device data to your new device.

  • Page 68: Google Apps

    Google apps Google provides entertainment, social network, and business apps. You may require a Google account to access some apps. To view more app information, access each app’s help menu. NOTE • Some apps may not be available depending on the region or service provider. Google Search quickly for items on the Internet or your device.
  • Page 69 Hangouts Chat with your friends individually or in groups and use images, emoticons, and video calls while you are chatting. Photos Manage photos, albums, and videos that you have saved on the device and uploaded to Google+. Google Settings Configure settings for some features provided by Google. Voice Search Search quickly for items by saying a keyword or phrase.

  • Page 70: Settings

    Settings...

  • Page 71: Access The Settings Menu

    Access the Settings menu The Settings app allows you to customize and personalize your device. Opening the settings app > System settings. > touch and hold • > > • Viewing settings to switch the view mode. List view – Scroll up and down through the list. •...

  • Page 72: Wi-Fi Direct

    Bluetooth-enabled handhelds, computers, printers, and wireless devices. NOTE • LG is not responsible for the loss, interception or misuse of data sent or received via the Bluetooth feature. • Always make sure that you share and receive data with devices that are trusted and properly secured.

  • Page 73: Mobile Data

    NOTE • Pairing between two Bluetooth devices is a one-time process. Once a pairing has been created, the devices will continue to recognise their partnership and exchange information. • Please consult documentation included with Bluetooth device for information on pairing mode and passcode (typically 0 0 0 0 – four zeroes). Sending data via Bluetooth Select a file or item such as a contact or media file.

  • Page 74: Call

    Call Allows you to configure various call settings. On the Settings screen, tap Networks tab > Call. Voicemail – Allows you to select your carrier's voicemail service. • Fixed dialing numbers – Allows you to manage and compile a list of •...

  • Page 75: Printing

    Printing Allows you to print the content of certain screens (such as web pages displayed in Chrome) to a printer connected to the same Wi-Fi network as your Android device. On the Settings screen, tap Networks tab > Share & connect > Printing. Printing via wireless printer Select a file or item such as a contact or media file.

  • Page 76: Bluetooth Tethering

    Bluetooth tethering Allows you to connect to other devices via Bluetooth. On the Settings screen, tap Networks tab > Tethering. • to turn Bluetooth tethering on to share your connection via • Bluetooth tethering. Airplane mode Allows you to use many of your device features, such as games, and music, when you are in an area where making or receiving calls or data use is prohibited.

  • Page 77: Sound & Notiication Settings

    Sound & notiication settings Allows you to change settings for various sounds on the device. On the Settings screen, tap Sound & notification tab. Sound profile – Allows you to set your device sound profile. • Volume – Adjust the device volume settings to suit your needs and •...

  • Page 78: Display Settings

    • Theme – Sets the screen theme for your device. You can download • new themes from LG SmartWorld. Wallpaper – Sets the wallpaper to use on your Home screen. • Screen swipe effect – Choose the desired type of effect to display •...

  • Page 79: Home Touch Buttons

    Lock timer – Allows you to set the amount of time before the screen • automatically locks after the screen has timed-out. Power button instantly locks – Checkmark to instantly lock the • screen when the Power/Lock Key is pressed. This setting overrides the lock timer setting.

  • Page 80: General Settings

    Language – Choose a language to use on your device. • Current keyboard – Allows you to select the current keyboard type. • LG Keyboard – Change the LG Keyboard settings. • Google voice typing – Enable to select Google voice typing to enter •...

  • Page 81: Accounts & Sync

    Accounts & sync Use this menu to add, remove, and manage your Google and other supported accounts. You also use these settings to control how and whether all applications send, receive, and sync data on their own schedules and whether all applications can synchronize user data automatically.
  • Page 82 - Power key ends call – Enable so that you can end voice calls by pressing the Power/Lock Key. Hearing – Sets options for people with impaired hearing. • - Captions – Allows you to customise caption settings for those with hearing impairments.

  • Page 83: Shortcut Key

    Shortcut key Get quick access to apps by pressing the Volume Keys when the screen is off or locked. On the Settings screen, tap General tab > Shortcut key. Press the Volume Up Key twice to open the Capture+ app. •...

  • Page 84: Quick Cover View

    Quick Cover view With Quick Cover view, you can check incoming calls and stop alarm/timer when the cover is closed. To unlock with the cover, screen lock must be set to Swipe. On the Settings screen, tap General tab > Quick Cover view. Date &...

  • Page 85: Battery & Power Saving

    Change the settings for managing your settings and data. On the Settings screen, tap General tab > Backup & reset. LG Backup – Backs up all information on the device and restores it in • the event of data loss or replacement. If you need more information, please refer to LG Backup section in Apps.

  • Page 86: About Phone

    Automatic restore – When reinstalling an app, restore backed up • settings and data. Factory data reset – Reset your settings to the factory default • values and delete all your data. If you reset the device this way, you are prompted to re-enter the same information as when you first started Android.

  • Page 87: Appendix

    Appendix...

  • Page 88: Device Software Update

    This feature allows you to conveniently update the firmware on your device to a newer version from the Internet without needing to visit a service centre. This feature will only be available if and when LG makes a newer firmware version available for your device.

  • Page 89: Faq

    DRM licence—might be lost in the process of updating your device software. Therefore, LG recommends that you backup your personal data before updating your device software. LG does not take responsibility for any loss of personal data.
  • Page 90 Message Possible causes Possible corrective measures To change a security code, must need to confirm the new code by re-entering Codes do If you forget the code, contact your not match service provider. The two codes you entered do not match.
  • Page 91 Plug the charger into a different No voltage outlet. Charger defective Replace the charger. Wrong charger Use only original LG accessories. The Fixed dialling Number not Check the Settings menu and turn number function allowed. the function off. is on.

  • Page 92: Anti-Theft Guide

    Message Possible causes Possible corrective measures If the screen freezes or the device does not respond when you try to operate it, remove the battery and reinsert it. Then power the device Hangs up or Intermittent back on. freezes software problem Try to perform a software update through the website.

  • Page 93: More Information

    In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download. LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.com.

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