To properly experience our website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents Skip to Accessibility Help

LG Optimus F7 | Boost Mobile

  • LG870

  • Discontinued Product

Key Features

  • 4G LTE Network Speed1
  • Powerful 1.5 GHz Dual-Core Processor
  • 4.7" True HD IPS (313 ppi) & Corning® Gorilla® Glass 2
  • Long-Lasting Battery (2,540 mAh) with up to 17 Hours Talk Time2
Technical Specifications
Carrier Boost Mobile
Form Factor Bar
Camera Yes
Smartphone Android™-Powered
Web Yes
Type Smart Phone
Form Factor Bar
Technology CDMA, LTE***
Processor Qualcomm MSM8960 1.5 GHz Dual-Core
Frequencies LTE: Band 25 (1900 MHz); CDMA 1x/EVDO Rev A, Dual-band: 800 (Emergency Mode)/1900 MHz***
Data Transmission LTE, EVDO Rev. A
Dimensions 5.16" (H) x 2.71" (W) x 0.38" (D)
Weight 4.7 oz
Display True HD IPS TFT, 1280 x 720 pixels, 4.7"
Touch Screen Yes
Battery Capacity 2,540 mAh
Talk Time Up to 17 hours*
Internal Memory 8 GB eMMC ROM (formatted capacity is less)
MicroSD™ Memory Slot Support up to 32 GB**
* Certain features may use more power and cause actual standby and usage time to vary.
** MicroSD™ cards sold separately.
*** All listed frequency support is network/carrier specific. Roaming capability and network frequency support may not be available. Check with your network provider to see if and to what extent they offer support for this device.
LG and Android™ Enhancements
Android™ Platform Android™ 4.1.2 Platform (Jelly Bean)
User Experience Customizable user interface options, screen zooming in Gallery, more reactive and uniform touch response, face recognition for Face Unlock, view full text messages in the Notifications Panel, and more
Preloaded Apps Chrome™, Gmail™, Google Now (with Search™), Google+™, Local, Maps™, Messenger, Navigation, Play Books, Play Magazines, Play Movies & TV, Play Music, Play Store, Talk™, Voice Search™, and YouTube™
Network Sprint 3G & 4G LTE Network*,**
Bluetooth® Version 4.0 with Unlimited Pairing***
SmartShare Beam content to other compatible devices via Wi-Fi Direct, DLNA, or Bluetooth Object Push Profile (OPP); play media on a larger display with DLNA, Bluetooth A2DP, or Miracast™ via one convenient, integrated app.
Wi-Fi® Connectivity 802.11b/g/n
Direct/Android Beam Transfer data by NFC or an NFC initiated Wi-Fi Direct session where devices can be separated during the transfer..****
Qualcomm Enhanced Location Service Aids in determining device location and helps conserve battery power when using location-based apps
* Sprint’s 4G LTE Network not available everywhere
** All listed frequency support is network/carrier specific. Roaming capability and network frequency support may not be available. Check with your network provider to see if and to what extent they offer support for this device.
*** Depends on device memory
**** Using compatible devices with NFC and Android Beam enabled
Video Player With Touch Lock, Dolby® Mobile*, and Resume Play Function; supports DivX®, WMV, MP4, 3GP, and 3G2 Formats
Music Player With Dolby Mobile*: supports MP3, AAC, AAC+, WMA, Ogg Vorbis, and WAV formats
Video Wiz Create and edit movies.
Media Sync (MTP) Transfer files or synchronize with Windows® Media Player.**
* Headset required (sold separately)
** USB cable required (included)
Front-Facing Camera 1.3 Megapixel Front-Facing Camera
Rear-Facing Camera 8 Megapixel Rear-Facing Autofocus BSI Camera and Camcorder with LED Flash
Camera Resolutions Up to 3264 x 2448 pixels (default)
Full HD Video Recording* Resolutions up to 1920 x 1080 pixels (1280 x 720 default)
Customizable Quick Menu Add most-used camera and camcorder features to the viewfinder menu.
Live Shot Take still pictures while recording video at the same time.
Cheese Shutter Use your voice to take a picture.
Time Catch Shot™ Take several pictures before pressing the shutter button.
Shot Mode Choose from Normal, HDR, Panorama, and Continuous shot.
Face Tracking Automatically finds and focuses on faces
Live Effects Select from a variety of visual effects when recording video.
* Content must be shared on larger HD display for 1080p playback.
VuTalk Draw and share notes in real time between compatible devices.*
Notebook Create multiple sharable notebooks for important information with the ability to cut and paste pictures, add video, record voice, and much more.
QSlide 2.0 Overlay up to two windows with adjustable sizing and transparency on the primary screen for advanced and convenient multitasking.
Live Zooming Zoom 5x in/out during video playback.
QuickMemo™ Create and share personalized memos by taking screen captures and adding handwritten drawings or messages.
QuickMemo™ Overlay Hover a QuickMemo note over any screen such as Dialer or Browser and instantly share your personalized memos with every page.
Gesture Features Access common phone functions with simple gestures.
LG Tag+ Activate preset, individual phone profiles using NFC technology tags.**
Connect to Social Networks Google+, Facebook®***,Twitter®***, and more
Quiet Time Sound Setting Specify times to turn off all sounds except alarm and media.
Home Button LED Specified colored and patterned light provides charging status and notifications such as alarms, calendar reminders, new messages, missed events, and others.
Auto App Starter Integrated into alarm, launches a specified app (Calendar, Email, Music, Tasks, or Weather) when alarm is stopped
* Must initially be established with a contact from the Contacts menu who has a VuTalk enabled device
** NFC tags sold separately
*** Applications downloaded from Google Play™

What People Are Saying

  • bvseo_sdk, java_sdk, bvseo-
  • CLOUD, getReviews, 218ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

We're here to support you with our product.

View LG870 Product Support

Contact us for any support inquiries.