4G
LCD
Smartphone
LG K121 K Series K4 4G LTE
LG
About LG K4
The LG K4 is a compact Android smartphone designed for essential use, featuring a 4.49-inch color IPS TFT LCD display with a resolution of 480 by 854 pixels. Its modest screen size and straightforward hardware make it a practical choice for users seeking simplicity and portability.
With dimensions of 66.7 x 131.9 x 8.9 millimeters and a weight of 131 grams, the K4 is lightweight and easy to handle. It runs on Android 5.1.1 Lollipop out of the box, with support for an upgrade to Android Nougat, and is powered by 1GB of LPDDR3 RAM. The 1940 mAh battery provides basic endurance, while the single SIM slot and lack of NFC or fingerprint sensor keep the design uncomplicated.
Technical Specifications
Display
Size
4.49 inch
Type
Color TN-TFT LCD display
Resolution
480x854
HDR
No
Color depth
24-bit
Subpixel
RGB Matrix (3 subpixels)
Screen-to-body
63.1%
Active area
55.86 × 99.38 mm
Touch
Capacitive multi-touch sensing screen
Glass
| sar =
Performance
Processor
Snapdragon 210
CPU
Quad-core, up to 1.1 GHz
GPU
Qualcomm Adreno 304
Process
28 nm
Platform
Google Android
OS at launch
Original: Android (operating system) Android Lollipop Last: Android Android Nougat
Current OS
Original: Android (operating system) Android Lollipop Last: Android Android Nougat
Memory
RAM
1 GiB LPDDR3
Battery
Capacity
1940 mAh
Type
Lithium-ion
Cameras
Macro
2560×1920 · 1× optical
visibility
Megapixels
4.9
Sensor
CMOS
Focus
Contrast Detection Autofocus (CD AF)
Flash
single LED
Formats
JPG
Features
Macro mode
Front
1600×1200
visibility
Megapixels
1.9
Sensor
CMOS
Formats
JPG
Dimensions
Size
66.7 × 131.9 × 8.9 mm
Weight
131 g
Connectivity
Wi-Fi
{{Collapsible list
Wi-Fi services
Wi-Fi Direct, Wi-Fi Tethering
Bluetooth profiles
A2DP, AVRCP, HFP, HSP, OPP
USB
{{Collapsible list
USB services
USB charging
NFC
No
GPS
GPS, GLONASS
GPS services
Assisted GPS, Geotagging, QuickGPS
FM radio
Yes
UWB
No
Satellite
No
LTE · 4 bandsUMTS · 3 bandsGSM · 4 bands
All LTE bands (4)
- LTE 1700/2100 MHz (Band 4, AWS)
- LTE 1900 MHz (Band 2, PCS)
- LTE 2600 MHz (Band 7)
- LTE 700 MHz (Band 17) bands
All UMTS bands (3)
- UMTS 1900MHz (Band II, PCS)
- UMTS 2100MHz (Band I, IMT)
- UMTS 850MHz (Band V, CLR)
All GSM bands (4)
- GSM 1800MHz (B3)
- GSM 1900MHz (PCS, B2)
- GSM 850MHz (B5)
- GSM 900MHz (B8)
Audio
Channels
stereo
Output
3.5mm
Sensors
Sensors
Accelerometer, Compass, Light intensity sensor, Proximity sensor
Features
Fingerprint
No
SIM
Micro-SIM (3FF)
Markets
North America (NA) (Canada)
Extras
Haptic touch feedback
Regulatory
Data status
Preliminary
Model Variants
6 other phones with the same base model: LG K4
Live Contract Deals
Placeholder
Deals integration coming soon