Colors
Placid Blue
Mist Gray
Design
Dimensions: 166.2 x 76.8 x ~9.1mm
Weight: 206g
Side keys: Power & fingerprint sensor, volume, Google Assistant button
2.5D front glass, 3D backing
Fingerprint-resistant coating
Colored OPVD film
OS
TCL UI
Android™ 10 (upgradable to Android™ 11)
Security Update Until: November, 2023
Processor
Chipset: Qualcomm® Snapdragon™ 690 5G Mobile Platform
CPU: Qualcomm Kryo™ 560 Octa-Core (2 x Gold 2.0GHz + 1 x Gold 2.2GHz + 6 x Silver1.7GHz)
GPU: Qualcomm® Adreno™ 619L
Display
6.67-inch FHD+ Dotch™ LCD display
20:9 display ratio (1080 x 2400 pixels)
1500:1 contrast ratio
FHD+ resolution
HDR10 playback supported
395PPI
Brightness: 450 nits
NTSC: 82% (typical)
Screen-to-body ratio: 91%*1
48MP AI Triple-Camera
48MP Super Wide-Angle Camera
PDAF, 6P lens, F1.8 aperture, 1/2“ sensor size, 0.8μm pixel size, 79° field of view
8MP Depth Camera
FF, 5P lens, F2.2 aperture, 1/4“ sensor size, 1.12μm pixel size, 118° field of view
2MP Macro Camera
FF, 3P lens, F2.4 aperture, 1/5“ sensor size, 1.75μm pixel size, 83° field of view
Video capture
4K & 1080P @30FPS
1080P @60FPS
Video playback
4K & 1080P @30FPS
1080P @60FPS
Features: 10X digital zoom, Google Lens, EIS, HDR, in-recording snapshots, LED flash, Light Trace Mode, Panorama Mode, photo filters, Panorama Mode, Portrait Mode, Pro Mode, real-time bokeh, scene detection, Slo-Mo Mode, Super Macro Mode, Stop Motion Mode, Super Night Mode, Super Steady Mode, Wide-Angle Mode
Front camera
Resolution: 8MP
Lens: 4P
Fixed focus
LCD flash
Aperture: F2.0
Sensor size: 1/4”
Pixel size: 1.12μm
Lens field of view: 78°
Video capture: 1080P @30FPS
Features: Face Beautification (photos), HDR selfies, photo filters, Portrait Mode
Memory
T781K: 6GB RAM (LDPPR4X) + 256GB ROM (UFS 2.1)
T781H: 6GB RAM (LDPPR4X) + 128GB ROM (UFS 2.1)
Supports Micro SD card up to 256GB (FAT 32)2
Battery & performance
Battery: 4500mAh
Qualcomm® Quick Charge™ 4.0+ up to 18W
Charging time: Up to 2.1 hours3
DOU value: Less than 11 hours4
Audio
Audio formats: AAC, aptX, aptX Adaptive, aptX HD, aptX TWS+, SBC, LDAC Bluetooth audio
codec, SBC
HD Voice
Dual-mic noise cancellation
Speakers: 1
3.5mm audio jack
Supported headsets: LRGM
Super Bluetooth four-device multistreaming audio5
Connectivity
5G data: 2.7Gbps downlink, 700Mbps uplink
4G data: 1.2Gbps Cat18 downlink, 150Mbps Cat13 uplink
3G data: HSPA+ 42Mbps/s downlink, 5.76Mbps/s uplink
2G data: GPRS/EDGE
4X4 MIMO: B1/3/7, n786
5G Bands: n1/3/5/28/41 (full)/78
4G Bands: B1/3/5/7/8/20/26/28/32/38/40/41 (120M)
3G Bands: B1/2/5/8
2G Bands: GSM 850/900/1800/1900
Wi-Fi: 802.11a/b/g/n/ac
Supports 2.4GHz Wi-Fi or 5GHz Wi-Fi
Wi-Fi Direct, Wi-Fi Casting
Mobile Hotspot, VoLTE, VoWiF
Bluetooth 5.1
NFC
USB: USB Type-C 2.0
Dual SIM card model: 1 Nano SIM (4FF) + 1 4FF Nano SIM or TF Card
Single SIM card model: 1 Nano SIM (4FF) + 1 TF Card
Sensors
Location sensors: A-GPS, BeiDou, Galileo, Global Navigation Satellite System (GLONASS),GPS
Other sensors: Accelerometer, ambient light, E-Compass, gyro sensor, proximity sensor
Authentication
Face Key, fingerprint sensor
Other features
Google Assistant, flashlight, M3 HAC Rating
Accessories
5V2A charger (T781H) / 9V2A charger (T781K), headset (optional), personal safety instructions, protective case, QG, screen protector (on screen), SIM card PIN, USB Type-C cable
