(Last Updated On: September 20, 2019)

LG offers an affordable entry-level smartphone and the K4 is the second handset from LG’s new K lineup and is targeted at selfie-loving young users and is also smaller. It comes with a 5-inch display, a quad-core Qualcomm processor, and a decent battery.

LG K4 (2017) Key Specs & Features

• 5.0-inch IPS Display, 480 x 854 pixels (195ppi)
• 1.1GHz quad-core Qualcomm Snapdragon 210 CPU with 1GB RAM
• Android 6.0.1 (Marshmallow)
• 8GB or 16GB Storage, up to memory card 32GB
• 5MP Rear Camera and 5MP Front Camera
• 4G LTE Data
• 2500 mAh Li-ion Removable Battery

Design and Display

LG K4 The design is sleek and attractive. The body appears to be made of polycarbonate and the phone screen resolution is 480 x 854 pixels. The 4.5-inch screen is based on TN technology and has a resolution of 854×480 pixels. That equals a pixel density of 218 PPI.

LG K4 (2017) comes in black and titan color variants. In fact, The LG K4 2017 Titan has a black front and this is contrasted by the back which is Titan Grey. The LG K4 2017 Black is an all-black affair. It comes with Corning Gorilla Glass 3. The weight is respectable at only 120 grams.

Camera and Storage

The LG K4 (2017) comes with a 5-megapixel rear and 2-megapixel front and the primary camera has an aperture size of f/2.6 and features LED flash, autofocus, and HDR mode. Both shots taking units can record HD (720p) quality videos.LG provides a pair of 5-megapixel snappers for regular shots and selfies and when taken selfies you can use the front camera to view your face on the screen and take selfies.

When using the front camera, you can change in camera options how selfies are taken. You can take selfies by using gestures. Show your palm to the front camera and then clench your fist and in three seconds, a photo is taken. To use this function, make sure that it is selected in-camera options.
The LG K4 (2017) comes with integrated storage of 8 GB or 16 GB for keeping pictures and other files. You will be able to expand storage with a dedicated microSD card slot to 32 GB.

Performance and OS

LG K4 (2017) runs 1.1 GHz Quad-Core Qualcomm Snapdragon 210 processor and 1.5 GB of RAM. The LG K4 runs on the Android 5.1.1 Lollipop operating system and this gives you access to the Play Store for new apps. LG also gives you access to SmartWorld where more apps, fonts, games and audio content can be downloaded. The dual-SIM smartphone offers you lightning-fast browsing and downloading speeds with its support for 4G LTE connectivity.

The removable Li-Ion 2500mAh battery provided should enable at least full-day use given the screen size and resolution. Nevertheless, there is a Battery Saver mode that can be used if you run short of power. Follow this steps for optimizing battery life:

• Turn off features that you do not need to run constantly in the background.
• Turn off radio communications when you are not using.
• If you are not using Wi-Fi, Bluetooth® or GPS, turn them off
• Reduce screen brightness and set a shorter screen timeout.
• Turn off automatic syncing for Gmail, Calendar, Contacts and other applications
Always know that” battery is life” for smartphones.

General Features

Platform: Android 5.1.1 (Lollipop)
Processor: ARM Cortex-A53, Quad-core 1.0 GHz
GPU: ARM Mali-T720MP2
Memory: 1GB RAM
Colours: Blue, White
Dimension: 131.9 x 66.7 x 8.9 mm
Weight: 120 g
SIM Type: Micro-SIM
SIM Count: Dual SIM


Display: 4.5-inch Touch Display, 480 x 854 pixels (218 ppi)
Display Protection:


Rear Camera: 5MP Camera, 1080p HD Video
Rear Camera Features: Autofocus, LED flash, Geo-tagging, touch focus, face/smile detection, panorama, HDR
Front Camera: 2MP Camera


Built-in Storage: 8GB
Memory Card Support: MicroSD
Bundled Cloud Storage:

Network Support

2G GSM: Yes
2G CDMA 1X: No
4G LTE: Yes

Internet & Connectivity

HSPA+: Yes, up to 42.2 Mbps
4G LTE: Yes, up to 150 Mbps
WLAN: Yes, Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi Hotspot: Yes
Bluetooth: Yes Bluetooth 4.1, A2DP, LE
Infrared Blaster: No
USB Port: Yes USB 2.0


Instant Messaging: Yes
Push Emails: Yes
Email Protocol:


Music Player: MP3/WAV/eAAC+/Flac player
Video Player: Xvid/MP4/H.264 player
FM Radio: Yes
Loudspeaker: Yes
3.5mm Jack: Yes


Navigation: Yes, with A-GPS, GLONASS

Sensors & Control

Digital Compass: No
Accelerometer: Yes
Proximity Sensor: No
Light Sensor: No
Barometer: No
SpO2: No
Pedometer: No
Heart Rate Monitor: No
Gyroscope: No
Fingerprint Scanner: No
Iris Scanner: No
Intelligent Digital Assistant: Yes
Motion Sensing / Gesture Control: No
Voice Control: Yes

Other Features

Video Streaming: Yes
Active Noise Cancellation: Yes
Wireless Charging: No
Built-in Mobile Payment: No
Water Resistant: No
Dust Resistant: No
Image Editor: Yes
Video Editor: Yes
Document Viewer: Yes
Document Editor: No


Battery: Li-Ion 1940 mAh battery (Removable)
Standby Time:

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LG K4 is a good recommendation if you want a small Android smartphone with 4.5″ LCD screen and also with a cheap price because it is an affordable companion But there are some limitations with the camera and the battery.