📱 Model features |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
Model | K50S (X540ZMW) | Twist 2 (S512) |
Other model names | LG K50s LM-X540ZMW, LMX540ZMW | Positivo Twist 2 S512 (Android Go), Positivo S512 |
Country or region available |  Taiwan |  Brazil |
Brand | LG | Positivo |
Release date | 9/1/2019 | 4/1/2019 |
Depth | 8.2 millimeters (0.32 inches) | 9.5 millimeters (0.37 inches) |
Size (width x height) | 77.5 x 165.8 millimeters (3.05 x 6.53 in) | 72 x 143 millimeters (2.83 x 5.63 in) |
Weight | 194 grams (6.79 ounces) | 160 grams (5.6 ounces) |
Build, materials | Plastic body, glass front | 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. | Not supported |
🤖 Operating System |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
System version | Android 9.0 Pie | Android 8.1 Oreo |
Firmware update | feature not registered | feature not registered |
User Interface | feature not registered | feature not registered |
⚙️ Processor |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Unisoc Spreadtrum SC7731E (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 1.3GHz ARM Cortex-A7 (Quad-core) |
GPU graphical controller | PowerVR GE8320 (650MHz) | ARM Mali-T820 MP1 (600MHz) |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
RAM memory | 3GB LPDDR3 | 1GB LPDDR |
Internal storage | 32GB (18GB available) eMMC 5.1 | 16GB (10GB available) |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDXC (dedicated slot) |
📲 Display |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
Display type | TFT IPS LCD | TFT LCD |
Screen size | 6.5" inches | 5.34" inches |
Screen-to-body ratio | ~82.1% (screen-to-body ratio) | ~71.5% (screen-to-body ratio) |
Display resolution | 720x1520 pixels (19:9) | 480x960 pixels (18:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 259 PPI | 201 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Refresh rate | 60Hz | 60Hz |
Display features | Not supported | Not supported |
📶 Mobile networks |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
Maximum Download / Upload | 300/50 Mbps | 14.4/5.76 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G |
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 850/2100 |
Primary 4G network | LTE Cat6 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 39, 40, 41) | Not supported |
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+ |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawidef/2.21.12μm115° 2MP depthf/2.41.75μm85° | 8 megapixels |
Main camera resolution | 4128x3096 pixels | 3264x2448 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
Flash | LED flash | LED flash on both cameras |
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) | Positivo Twist 2 (S512) |
Front camera (secondary) | 13 megapixels | 5 megapixels |
Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
Front flash | Not supported | LED |
Focal aperture | f/2.0 (aperture) | feature not registered |
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) | Positivo Twist 2 (S512) |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | Not supported |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
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 | 2.1 + A2DP |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n (2.4GHz) |
DLNA | Supported | Not 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) | Positivo Twist 2 (S512) |
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) | Positivo Twist 2 (S512) |
Battery type | LiPo: Li-Ion polymer (Non removable) | Li-Ion: Lithium-Ion (Removable) |
Battery capacity | 4000 mAh | 2500 mAh |
Charger, watts | 6W (5V/1.2A) Wired charging | Wired charging |
Wireless charging | feature not registered | Not supported |
Talk time autonomy | 18 hours | feature not registered |
Standby | 504 hours (21 days) | feature not registered |
➕ Other features |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
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: Black, Gold, Aurora (purple/blue) • Android Go Edition • Screen protector included • Extra case included • WiFi hotspot |
☢️ Radiation rate |
| LG K50S (X540ZMW) | Positivo Twist 2 (S512) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.4W/kg (head), 0.54W/kg (body) |