4G
Super AM-OLED
Smartphone
BBK Vivo X21 UD Dual SIM TD-LTE CN 128GB X21UD A
BBK · Announced May 2018
About BBK Vivo X21 UD
The BBK Vivo X21 UD is built around a 6.28-inch Color AM-OLED display with a 1080x2280 resolution, set in a slim chassis that measures 74.78 x 154.45 x 7.37 mm and weighs 156 g. The tall screen and narrow 7.37 mm profile give it a light, compact feel in the hand.
The phone runs Google Android 8.1 Oreo and is equipped with 6.00 GiB of RAM. Power is handled by a 3200 mAh battery, and the device is configured for single SIM use.
Technical Specifications
Display
Size
6.28 inch
Type
Super AM-OLED
Resolution
1080x2280
Color depth
24-bit, 8-bit HDR
Subpixel
RGB Real Stripe Matrix (3 subpixel)
Screen-to-body
85.2%
Active area
68.28 × 144.15 mm
Touch
Capacitive multi-touch sensing screen
Notch
Yes
Performance
Processor
Snapdragon 660
CPU
Octa-core, up to 2.2 GHz
GPU
Qualcomm Adreno 512
Process
14 nm
Platform
Google Android
Memory
RAM
6 GiB
Battery
Capacity
3200 mAh
Type
Lithium-ion polymer (LiPo)
Cameras
Main
4032×3024 · 1× optical
visibility
Megapixels
12.2
Aperture
ƒ/1.8
Sensor
Samsung ISOCELL 2L9 · CMOS
Pixel size
1.28 µm
Focus
Phase-Detection Autofocus (PD AF)
Flash
single LED
Formats
JPG
Features
HDR photo, Slow motion video, Burst mode, Touch focus, Macro mode, Panorama Photo, Face detection, Face retouch
Front
5656×4240
visibility
Megapixels
24
Sensor
Samsung 2L8 · CMOS
Formats
JPG
Features
HDR photo, Burst mode, Face detection, Face tagging, Face retouch
Dimensions
Size
74.78 × 154.45 × 7.37 mm
Weight
156 g
Connectivity
Wi-Fi
Wi-Fi 5
Wi-Fi services
Wi-Fi Tethering, Wi-Fi Calling (VoWiFi)
Bluetooth profiles
A2DP, AVRCP
USB
USB Series Micro-AB
USB services
USB charging, USB fast charging, USB Host, USB On-The-Go 1.3, USB Power Delivery
GPS
GPS, GLONASS, BeiDou
GPS services
Simultaneous GPS (S-GPS), Assisted GPS, Geotagging, QuickGPS
LTE · 6 bandsTD-LTE · 5 bandsUMTS · 4 bandsGSM · 4 bandsCDMA · 1 bandsTD-SCDMA · 2 bands
All LTE bands (6)
- LTE 1700/2100 MHz (Band 4, AWS)
- LTE 1800 MHz (Band 3)
- LTE 1900 MHz (Band 2, PCS)
- LTE 2100 MHz (Band 1)
- LTE 850 MHz (Band 5)
- LTE 900 MHz (Band 8)
All TD-LTE bands (5)
- TD-LTE 1900 MHz (Band 39)
- TD-LTE 2000 MHz (Band XXXIV)
- TD-LTE 2300 MHz (Band XL)
- TD-LTE 2500 MHz (Band XLI) bands
- TD-LTE 2600 MHz (Band 38)
All UMTS bands (4)
- UMTS 1900MHz (Band II, PCS)
- UMTS 2100MHz (Band I, IMT)
- UMTS 850MHz (Band V, CLR)
- UMTS 900MHz (Band VIII)
All GSM bands (4)
- GSM 1800MHz (B3)
- GSM 1900MHz (PCS, B2)
- GSM 850MHz (B5)
- GSM 900MHz (B8)
All CDMA bands (1)
- CDMA 800MHz (BC0, 850)
All TD-SCDMA bands (2)
- TD-SCDMA 1900 MHz (B39)
- TD-SCDMA 2000 MHz (B34)
Audio
Channels
stereo
Output
3.5mm
Sensors
Sensors
Accelerometer, Compass, Gyroscope, In-screen fingerprint sensor, Light intensity sensor, Proximity sensor
Features
Fingerprint
Yes (in-screen fingerprint sensor)
SIM
Nano-SIM (4FF) · Dual standby
Carrier
China Telecom Corporation Limited
Markets
Asia, Southeast Asia (China, HK)
Extras
Haptic touch feedback
Software extras
Voice Command, Navigation software, Intelligent personal assistant, Face Recognition
Regulatory
Data status
Preliminary
Model Variants
1 other phones with the same base model: BBK Vivo X21 UD
Live Contract Deals
Placeholder
Deals integration coming soon