LG K4 (K Series)
Mediatek MT6735 4 x 1 GHz, Cortex-A53
Graphics adapter
1024 MB 
4.50 inch 16:9, 854 x 480 pixel 218 PPI, capacitive, TN TFT, glossy: yes
8 GB eMMC Flash, 8 GB 
, 3.9 GB free
1 USB 2.0, Audio Connections: 3.5 mm audio, Card Reader: micro-SD max. 32 GB, Sensors: accelerometer, SAR rate (head): 0.604 W/kg, FM radio, WiFi Direct
802.11 b/g/n (b/g/n = Wi-Fi 4), Bluetooth 4.1, GSM (850/900/1800 and 1.900 MHz), UMTS (859/900 and 2100 MHz), LTE Cat. 4 (800/900/1800/2100 and 2600 MHz), LTE, GPS
height x width x depth (in mm): 8.9 x 131.9 x 66.6 ( = 0.35 x 5.19 x 2.62 in)
7.4 Wh, 1940 mAh Lithium-Ion, removeable, Talk time 2G (according to manufacturer): 20 h, Talk time 3G (according to manufacturer): 9 h, Standby 2G (according to manufacturer): 510 h, Standby 3G (according to manufacturer): 500 h
Operating System
Android 5.1 Lollipop
Primary Camera: 5 MPix (digital 4x zoom, auto focus, LED flash)
Secondary Camera: 2 MPix
Additional features
Speakers: mono, Keyboard: virtual, Keyboard Light: yes, power supply, USB cable, battery, quick start guide, warranty conditions, Google-Apps, LG Smart Keyboard, KnockOn, KnockCode, Easy Home, Quick Memo+, TalkBack, RemoteCall Service, LG Smart World, 24 Months Warranty, fanless
120 g ( = 4.23 oz / 0.26 pounds), Power Supply: 51 g ( = 1.8 oz / 0.11 pounds)
119 Euro



Average Score: 65.16% - average
Average of 5 scores (from 8 reviews)
price: - %, performance: 12%, features: 33%, display: 75% mobility: 92%, workmanship: 65%, ergonomy: 55%, emissions: 94%

Reviews for the LG K4

72.8% LG K4 Smartphone Review | Notebookcheck
LTE at an entry-level price. LG offers an affordable entry-level smartphone with LTE functionality for 119 Euros (~$133), dubbed K4 LTE. That is, however, its only highlight. The review sample makes a rather outdated impression in all other aspects. Have too many cutbacks been made?
50% LG K4 Review: In Depth
Source: Recombu English
The biggest barrier for the K4 is that low price however, as handsets like the Motorola Moto E and new Vodafone Smart Prime 7 offer even more phone (4G, a 720p HD display, higher resolution cameras and a partly metal build in the case of the Prime 7) for even less. The LG K4 has its place, but we wouldn't call it a worthwhile purchase in the long run.
Single Review, online available, Short, Date: 05/17/2016
Rating: Total score: 50%

Foreign Reviews

Handliches Einsteiger-Smartphone zum Sparpreis
Source: Notebooksbilliger Blog German DE→EN
Single Review, online available, Long, Date: 07/20/2016
41% Ein neues Smartphone für 99 Euro?
Source: Focus Online German DE→EN
Single Review, online available, Long, Date: 05/09/2016
Rating: Total score: 41% features: 32% ergonomy: 50%
81% LG K4
Source: Android Magazin - Heft 3/2016 German
Single Review, , Length Unknown, Date: 05/01/2016
Rating: Total score: 81%
Die koreanischen Günstlinge LG K4 & LG K10
Source: Android Mag German DE→EN
Comparison, online available, Medium, Date: 04/02/2016
Gutes Smartphone, schlechtes Smartphone
Source: Curved German DE→EN
Comparison, online available, Long, Date: 03/17/2016
81% LG K4
Source: Smartphone Magazin - Heft 4/2016 German
Single Review, , Length Unknown, Date: 03/01/2016
Rating: Total score: 81%
LG K4 Ventajas y Desventajas, Pros y Contras Detallados
Source: Mi Mundo Gadget Spanish ES→EN
Positive: Support 4G; high autonomy; good price / performance ratio; decent cameras. Negative: Poor display; weak hardware; plastic case; mediocre speakers.
Single Review, online available, Medium, Date: 01/14/2017


Model: The LG K4 is an Android smartphone with decent performance targeted at users who are new in the smartphone industry or users who are looking for a secondary smartphone with 4G LTE and dual-SIM capability. The chassis is entirely made from plastic with a slightly textured removable back, which makes it comfortable in the hand. The Android 5.1.1 Lollipop system features a 1 GHz Mediatek MT6735M quad core processor, a Mali-T720MP2 graphic card, 8 GB of internal storage and 1 GB RAM. The storage capacity can be expanded by up to 32 GB with a microSD card. The 4.5-inch IPS LCD features a resolution of 480 x 854 pixels and supports touch input. The screen produces decent colors and blacks, while whites are not quite accurate.

In addition, the phone comes with a 5 MP rear camera with autofocus, LED flash, touch focus, Geo-tagging and face detection and a 2 MP front camera. The rear camera is capable of recording 720p videos at 30 fps. In addition, the smartphone delivers features such as an accelerometer, proximity sensors and a removable back cover for convenient battery replacement. It has a convenient weight of just 120 g and there are 2 colors available; white and indigo. The 1940 mAh battery can last up to 9 hours.

ARM Mali-T720: Integrated graphics card in ARM based SoCs. Can be configured with up to 8 cores (T720 MP8) and 650 MHz core clock (at 28nm). Supports OpenGL ES 3.1, OpenCL 1.1, DirectX 11 FL9_3, and Renderscript.

These graphics cards are not suited for Windows 3D games. Office and Internet surfing however is possible.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.

MT6735: A 64-bit quad-core SoC (4x ARM Cortex-A53) clocked at up to 1.5 GHz and designed for inexpensive tablets and smartphones.» Further information can be found in our Comparison of Mobile Processsors.


This is a typical smartphone diagonal.

» To find out how fine a display is, see our DPI List.

0.12 kg:

Only few smartphones are more lightweight than this.


LG Electronics Inc. is a subsidiary of the LG Group. LG is the world's second-biggest maker of televisions and third-biggest maker of mobile phones. With its headquarters in South Korea, the company has 75 subsidiaries worldwide that design and manufacture televisions, home appliances, and telecommunications devices. LG is an international laptop manufacturer of medium size with few reviews.

After a few years, LG largely withdrew from the laptop sector. In the smartphone segment, LG is a medium-sized manufacturer (not among the Top 5 in 2015 and 2016).

65.16%: This rating is bad. Most notebooks are better rated. This is not a recommendation for purchase.

» Further information can be found in our Notebook Purchase Guide.


Devices from a different Manufacturer and/or with a different CPU

Doro 8020X
Mali-T720, Mediatek MT6735M
Lenovo Vibe B
Mali-T720, Mediatek MT6735M
Samsung Galaxy J1 2016
Mali-T720, Exynos 3475 Quad

Devices with the same GPU

Wileyfox Spark X Add-X
Mali-T720, Mediatek MT6735, 5.50", 0.1625 kg
Coolpad Note 5 Lite C
Mali-T720, Mediatek MT6735M, 5.00", 0.148 kg
Wiko Harry
Mali-T720, Mediatek MT6735, 5.00", 0.16 kg
Alcatel Pixi 4 (5)
Mali-T720, Mediatek MT6735M, 5.00", 0.148 kg
Panasonic Eluga I3 Mega
Mali-T720, Mediatek MT6735, 5.00", 0.18 kg
Wiko UPulse
Mali-T720, unknown, 5.50", 0.167 kg
Blackview A9 Pro
Mali-T720, Mediatek MT6737, 5.00", 0.17 kg
Lenovo Moto C
Mali-T720, Mediatek MT6737, 5.00", 0.154 kg
Panasonic P77
Mali-T720, Mediatek MT6735P, 5.00", 0.126 kg
Oukitel C5 Pro
Mali-T720, Mediatek MT6737, 5.00", 0.165 kg
Nokia 3
Mali-T720, Mediatek MT6737, 5.00", 0.141 kg
Samsung Galaxy XCover 4
Mali-T720, Exynos Exynos 7570, 5.00", 0.172 kg
ZTE Blade A910
Mali-T720, Mediatek MT6735, 5.50", 0.135 kg
ZTE Blade V6 Plus
Mali-T720, Mediatek MT6735, 5.00", 0.135 kg
Archos 55 Helium Ultra
Mali-T720, Mediatek MT6737, 5.50", 0.162 kg
Lenovo A7700
Mali-T720, Mediatek MT6735, 5.50", 0.155 kg
BQ BQ-5032 Element
Mali-T720, Mediatek MT6735, 5.00", 0.144 kg
Oukitel U20 Plus
Mali-T720, Mediatek MT6737, 5.50", 0.195 kg
Bluboo Edge
Mali-T720, Mediatek MT6737, 5.50", 0.203 kg
Bluboo Dual
Mali-T720, Mediatek MT6737, 5.50", 0.153 kg
Lenovo Phab 2
Mali-T720, Mediatek MT8735, 6.40", 0.225 kg
Doogee T5 Lite
Mali-T720, Mediatek MT6735, 5.00", 0.201 kg
Huawei P8 Lite Smart
Mali-T720, Mediatek MT6735, 5.00", 0.135 kg
Motorola Moto E3
Mali-T720, Mediatek MT6735, 5.00", 0.14 kg
BQ BQS 5515 Wide
Mali-T720, Mediatek MT6735, 5.50", 0.186 kg
Lenovo Moto E3
Mali-T720, Mediatek MT6735P, 5.00", 0.141 kg
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> Notebook / Laptop Reviews and News > Library > LG > LG K4
Stefan Hinum, 2016-05-12 (Update: 2016-05-12)