4G
Super AM-OLED
Smartphone
BBK Vivo X21 UD Dual SIM TD-LTE IN 1728 / X21
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 · 3 bandsTD-LTE · 2 bandsUMTS · 3 bandsGSM · 4 bands
All LTE bands (3)
- LTE 1800 MHz (Band 3)
- LTE 2100 MHz (Band 1)
- LTE 850 MHz (Band 5)
All TD-LTE bands (2)
- TD-LTE 2300 MHz (Band XL)
- TD-LTE 2500 MHz (Band XLI) bands
All UMTS bands (3)
- 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)
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
Markets
Asia (India)
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