📱 Model features |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Model | K50S (X540ZMW) | Class (F620L) |
| Other model names | LG K50s LM-X540ZMW, LMX540ZMW | LG U+ LG Class, LG Zero F620L, LG-F620L, LGF620L |
| Country or region available | 
Taiwan | 
South Korea |
| Brand | LG | LG |
| Release date | 9/1/2019 | 9/30/2015 |
| Depth | 8.2 millimeters (0.32 inches) | 7.4 millimeters (0.29 inches) |
| Size (width x height) | 77.5 x 165.8 millimeters (3.05 x 6.53 in) | 71.8 x 142 millimeters (2.83 x 5.59 in) |
| Weight | 194 grams (6.79 ounces) | 150 grams (5.25 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
🤖 Operating System |
| LG K50S (X540ZMW) | LG Class (F620L) |
| System version | Android 9.0 Pie | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 64bit: Qualcomm Snapdragon 410 MSM8916 (28nm) |
| CPU | Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 306 450Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| LG K50S (X540ZMW) | LG Class (F620L) |
| RAM memory | 3GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (18GB available)
eMMC 5.1 | 16GB (10GB available)
eMMC 4.5 |
| External storage | Until 1TB microSD, microSDXC
(dedicated slot) | Until 256GB microSD, microSDHC
(dedicated slot) |
📲 Display |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.5" inches | 5" inches |
| Screen-to-body ratio | ~82.1% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels (19:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 259 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
📶 Mobile networks |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card
(dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 39, 40, 41) | LTE Cat4 700/850/900/1800/2100/2600 (Bands 1,3,5,7,8,17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Back camera (main camera) | (triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm115°
2MP depthf/2.41.75μm85° | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Front camera (secondary) | 13 megapixels | 8 megapixels |
| Front camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity |
| LG K50S (X540ZMW) | LG Class (F620L) |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot | 802.11 a/b/g/n (2.4Ghz, 5Ghz)
WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Sensors | Accelerometer
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
Proximity sensor | Accelerometer
Ambient Light sensor
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Battery type | LiPo: Li-Ion polymer (Non removable) | Li-Ion: Lithium-Ion (Non removable) |
| Battery capacity | 4000 mAh | 2050 mAh |
| Charger, watts | 6W (5V/1.2A) Wired charging | Wired charging |
| Talk time autonomy | 18 hours | 10 hours |
| Standby | 504 hours (21 days) | 340 hours (14.2 days) |
➕ Other features |
| LG K50S (X540ZMW) | LG Class (F620L) |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | - Colors: Aurora Black, Moroccan Blue
- DTS:X 3D surround sound
- Eco Playback | - Colors: Gold, Silver, Blue, Black
- 2.5D curved glass screen
- Body metal
- KnockCode, KnockOn
- T-DMB TV |
☢️ Radiation rate |
| LG K50S (X540ZMW) | LG Class (F620L) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |