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LG Optimus F3 Cell Phone LG720ABB-LG720ABB
  • LG Optimus F3™ Front Thumbnail
  • LG Optimus F3™ Three quarter skew right Thumbnail
  • LG Optimus F3™ Back Thumbnail
  • LG Optimus F3™ Side Thumbnail

LG Optimus F3™

Stay in the game with the LG Optimus F3™. This 4G LTE smartphone lets you update your status, message friends and share screenshots all super-fast. The 1.2 GHz dual-core processor offers the speed you want, the long-lasting battery has the power you need.

FREE month of service on us
Get an account credit up to $55 (new customers only).
Learn more about the Free Month of Service
$129.99 Retail Price
$0.00 Promotional Discount
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$129.99
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Promotional pricing available only for select phones directly from boostmobile.com. Limited time only, while supplies last. Android™ is a trademark of Google, Inc.

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LG Optimus F3™ Features

Android™ 4.1 (Jelly Bean)

Jelly Bean builds on the most-loved features of Android - easy multitasking, customizable home screens and deep interactivity.

Dual Mode 3G/4G LTE

Switch seamlessly between Sprint's reliable 3G nationwide network, which reaches more than 276 million people, and Sprint's blazing-fast 4G LTE network, reaching 340 million people and counting. Check coverage.

4-inch display with Corning® Gorilla® Glass 2

Experience videos, apps and pictures like never before. Everything's better on the big screen - and this scratch-resistant touchscreen delivers.

5 MP LED camera

Score the perfect shot with features including panorama. Take all the videos and selfies you want with the full HD (1080p) camcorder and front-facing 1.3 MP camera.

1.2 GHz dual-core processor

Get the complete Internet experience in a flash.

QuickMemo™

Snap a shot of your screen, take notes, doodle and more.

Qslide 2.0™

View multiple screens at the same time and adjust window sizes to switch between apps in a flash.

Long-lasting battery

Enjoy up to 16 hours of talk time thanks to the long-lasting 2,460 mAh Li-ION battery.

HD Voice††

Experience crystal-clear call quality with reduced background noise while calling another HD Voice-enabled phone on the Sprint network.

Mobile ID

Make your phone a reflection of who you are. Choose ID packs featuring apps, ringtones, wallpaper and more.  Learn more

Mobile Hotspot Capable

Turn your phone into a Wi-Fi® hotspot for as low as $3/day. Learn more.

Environmental Certification

Platinum certified by the UL Environment, this phone contains environmentally preferable materials with a minimal environmental impact. More info.
Show Full Features
  • 3-way calling
  • 3.5mm headset jack
  • 5MP BSI camera
  • Accelerometer
  • Access to Boost Zone
  • Access to Gmail® and Google Talk™
  • Access to Google Play™
  • Audio Recorder
  • Calendar
  • Call waiting
  • Caller ID
  • Multi language settings
  • Full HD (1080p) video
  • Music player
  • Nationwide Sprint® 3G Network and Nationwide Sprint® 4G LTE Network
  • One-click access to Facebook®, Twitter® and more
  • Picture and video sharing
  • Portrait to Landscape auto-rotate
  • QuickMemo™
  • Speakerphone
  • Stereo Bluetooth®
  • TTY mode
  • Vibrate mode
  • Virtual QWERTY keyboard
  • Voicemail
  • Wi-Fi® enabled

LG Optimus F3™ Specs

Size & Weight

  • Height 4.57"
  • Weight 4.0 oz
  • Width 2.44"
  • Screen Size 4" Touchscreen
  • Depth 0.40"

Battery

  • Talking Time 16 hrs
  • Battery Type 2460 mAh Li-Ion Battery
  • Removable Yes

Memory
Portion of memory occupied by existing content. Learn More

  • 1 GB RAM/4 GB ROM

Processor

  • 1.2 GHz dual-core processor

Operating System

What's in the box

  • • LG Optimus F3 phone
  • • 2460 mAh Li-Ion Battery
  • • Micro USB Cable with Charger
  • • Getting Started Guide
    Whats included with the LG Optimus F3™

    User Guides & Device Support

    Want to know everything there is to know about this phone? Learn everything, from setting up your email to managing all of your games and applications.

    Device Support >

    Monthly Unlimited Select

    How it works

    • Order by phone,
      online or in a store.
    • When you've got your phone,
      activate a no-contract plan online.
    • Keep your number or choose
      a new one. Enjoy.

    All new phones include

    • No Annual Contract Plans
    • FREE Shipping
    • FREE Activation
    • 14-Day Return Policy
    • Your current phone number
      (if you want it)

    Order by phone

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    phone or plan?
    Call us now

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    ULE Environment Score:


    Boost Mobile devices are assessed and rated on their sustainability by UL Environment. The score is based on UL 110 - the sustainability standard for mobile phones. We are the only wireless carrier to take all its devices through the independent UL Environment certification process. To be certified, phones must meet a set of prerequisites and then earn points based on additional sustainability criteria. The table below reflects the additional criteria scoring above the prerequisites.

    More info about ULE certification.

    • Materials
    • Energy & Performance
    • Health & Environment
    • End-of-Life Management/Life Extension
    • Packaging
    • Manufacturing & Operations
     

    A portion of phone memory storage is dedicated to the operating system and required services.  As a result this portion of memory is not usable by applications, pictures, videos or other personal data.

    Offer ends 3/10/15. Boost reserves the right to modify, extend or cancel offer at any time.

    Free Month Offer: Avail. at participating dealers and boostmobile.com, while supplies last and with new Boost device activated on a new monthly plan. Customer responsible for all recurring charges after free month. Basic phones must activate on the $35 Data Boost plan to receive credit.

    In-store only: Free month available only at participating dealers and limited to select models. Amount of credit towards first month’s charges varies, dependent on plan and device and does not include cost of add-ons/incremental charges. Excludes taxes. Not combinable with certain other promotions or offers.

    Boostmobile.com only: Credit amount for monthly service dependent on plan and device and does not include cost of add-ons and/or incremental charges. Offer limited to purchase of devices ordered online or phone from boostmobile.com. Device must be activated by 3/29/2015, with account credit applied within two weeks after first month's payment.

    Coverage & offers not available everywhere. Offer, prohibited use rules & other restrictions apply. See participating dealer for details. ©2015 Boost Worldwide, Inc. All rights reserved.

    Certain features may use more power and cause actual time to vary. Coverage and services not available everywhere. Availability varies. Additional terms and other restrictions apply. Optimus F3 is a trademark of LG Electronics Inc. All other marks are the property of their respective owners.

    ++HD Voice capability requires a call between two Sprint HD Voice-enabled devices in an upgraded area within the Sprint network.