LG K40 (X420HM) All specs
Full specifications phone: LG K40 (X420HM) specs, detailed technical information, features, price and review. All about this phone.
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The LG K40 (X420HM) is a good Android phone with 2GHz Octa-core processor that allows run games and heavy applications.
With one SIM card slot, the LG K40 (X420HM) allows download up to 300 Mbps for internet browsing, but it also depends on the carrier.
Good connectivity of this device includes Bluetooth 5.0 + A2DP/LE, WiFi 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO, but it lacks NFC connection.
Including the battery, the LG K40 (X420HM) phone has 150 grams and it's a very thin device, only 8.3mm.
Summary
*depends on the model⚙️ CPU: MediaTek Helio P22 (MT6762)
🤖 Android 8.1
📱 5.7"
TFT IPS LCD
TFT IPS LCD
🔳 RAM: 2GB
💽 ROM: 32GB
💽 ROM: 32GB
🔌 WIFI5, BT5.0, FM, NFC*
📷 (back) 16MP
🤳 (front) 8MP
🤳 (front) 8MP
🔋 3000mAh
📱 Model features | |
| LG K40 (X420HM) | |
| Model | K40 (X420HM) |
| Other model names | LG K40 LMX420HM, LM-X420HM, LG-LMX420HM |
| Country or region available |   (Latin America), Colombia |
| Brand | LG |
| Release date | 3/31/2019 |
| Depth | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 71.9 x 153 millimeters (2.83 x 6.02 in) |
| Weight | 150 grams (5.25 ounces) |
| Build, materials | Plastic body, glass front |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | |
| LG K40 (X420HM) | |
| Display type | TFT IPS LCD |
| Screen size | 5.7" inches |
| Screen-to-body ratio | ~76.2% (screen-to-body ratio) |
| Display resolution | 720x1440 pixels |
| Touchscreen | Capacitive Multitouch |
| Pixel density (dot pitch) | 282 PPI |
| Colors | 16 million |
| Scratch-resistant glass | Not supported |
| Refresh rate | feature not registered |
| Display features | feature not registered |
🤖 Operating System | |
| LG K40 (X420HM) | |
| System version | Android 8.1 Oreo |
| Firmware update | feature not registered |
| User Interface | feature not registered |
⚙️ Processor | |
| LG K40 (X420HM) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered |
💽 Memory and storage | |
| LG K40 (X420HM) | |
| RAM memory | 2GB LPDDR3 |
| Internal storage | 32GB (20GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | |
| LG K40 (X420HM) | |
| Dual-SIM | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps |
| Network technology | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) |
| Primary 5G network | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported |
| Secondary 3G network | Not supported |
| Secondary 4G network | Not supported |
| Secondary data network | Not supported |
📷 Camera | |
| LG K40 (X420HM) | |
| Back camera (main camera) | 16 megapixels |
| Main camera resolution | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps |
| Flash | LED flash on both cameras |
| Focal aperture | f/2.0 (aperture) |
| Focal length | feature not registered |
| Sensor size | 1/3" inches |
| Pixel size | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported |
| Image stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection |
| BSI sensor | Not supported |
| HDR | HDR photo on both cameras |
| Camera extras | feature not registered |
📸 Front camera | |
| LG K40 (X420HM) | |
| Front camera (secondary) | 8 megapixels |
| Front camera resolution | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) |
| Front flash | LED |
| Focal aperture | f/2.0 (aperture) |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | feature not registered |
🔉 Sound and multimedia | |
| LG K40 (X420HM) | |
| Loudspeaker | Supported |
| Active noise cancellation | 2 microphones or more |
| Radio | FM |
| TV | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | |
| LG K40 (X420HM) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack |
| TV output | Not supported |
| Bluetooth | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported |
| GPS | A-GPS, GeoTagging |
| NFC | Not supported |
| Infrared port | Not supported |
🧭 Sensors | |
| LG K40 (X420HM) | |
| Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor |
| Vibrating alert | Supported |
🔋 Battery | |
| LG K40 (X420HM) | |
| Battery type | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh |
| Charger, watts | Wired charging |
| Inductive / wireless charging | feature not registered |
| Talk time autonomy | 8 hours |
| Standby | 100 hours (4.2 days) |
➕ Other features | |
| LG K40 (X420HM) | |
| Call control | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported |
| Video calling | Supported |
| Ringtones | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 |
| Antenna | Internal antenna |
| Qwerty physical keyboard | Not supported |
| Miscellaneous | • Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound |
☢️ Radiation rate | |
| LG K40 (X420HM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered |
LG K40 versions (variations) with different specifications
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