BBK Vivo X21 UD Dual SIM TD-LTE IN 1728 / X21 Full Device Specifications
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- Released Date
- 2018 May 31
- Display Dimension
- 1080x2280 pixels
- RAM Size
- 6144 MiB RAM, 5713 MiB user accessible RAM
- Processor (CPU)
- Qualcomm Snapdragon 660 SDM660
- Battery Capacity
- 3200 mAh battery
- Device Camera
- 12.2 MP camera
Ratings and Reviews
Add YoursTotal average ratings from 2 different users
Introduction
BBK
Vivo X21 UD Dual SIM TD-LTE IN 1728 / X21
The X21 UD is simply X21 in India
2018 May 31
2018 May 29
BBK Electronics
BBK Electronics
Haptic touch feedback
Smartphone
Face Wake 3D Function, Vivo Game Engine, MIMO Wifi, Smart Engine 4.0, Intellectual Beauty 4.0, PDAF with 12 + 12 MP Dual Pixel technology
Physical Attributes
74.78 mm, 2.94 inch
154.45 mm, 6.08 inch
7.37 mm, 0.29 inches
85.1 ccm
156.2 g, 5.51 ounces
Software Environment
Google Android
Google Android 8.1 (Oreo), FunTouch OS 4.0
Voice Command , Navigation software , Intelligent personal assistant , Face Recognition
Application processor, Chipset
2200 MHz
Qualcomm Snapdragon 660 SDM660, 2017, 64 bit, octa-core, 14 nm, Qualcomm Adreno 512 GPU
Operative Memory
mobile (LP) DDR4 SDRAM, 1866 MHz
6144 MiB RAM, 5713 MiB user accessible RAM
Non-volatile Memory
Flash EEPROM
Yes
122070 MiB non-volatile
Display
1-notch
159.5 mm, 6.3 inch
1080x2280, 2462400 pixels
68.28 mm, 2.69 inch
144.15 mm, 5.68 inch
6.5 mm
9842.3 square millimeter
85.2%
0.06322 mm/pixel
402 PPI
Color AM-OLED display
Super AM-OLED
24 bit/pixel
16.8M
8 bit/pixel
Self-illuminating
RGB Real Stripe Matrix (3 subpixel)
No
Graphical Subsystem
Qualcomm Adreno 512
0.25 MiB
16 KiB
Audio/Video Interfaces
No
Audio Subsystem
stereo
Asahi Kasei AK4376A
Sound Recording
stereo
Sound Playing
mono
3.5mm
Cellular Phone
GSM 850MHz (B5) , GSM 900MHz (B8) , GSM 1800MHz (B3) , GSM 1900MHz (PCS, B2) , UMTS 2100MHz (Band I, IMT) , UMTS 850MHz (Band V, CLR) , UMTS 900MHz (Band VIII) , LTE 2100 MHz (Band 1) , LTE 1800 MHz (Band 3) , LTE 850 MHz (Band 5) , TD-LTE 2300 MHz (Band XL) , TD-LTE 2500 MHz (Band XLI) bands
GPRS (Class unspecified) , EDGE (Class unspecified) , UMTS 384 kbps (W-CDMA) , HSUPA (Cat. unspecified) , HSDPA (Cat. unspecified) , HSDPA 7.2 Mbps (Cat. 8) , HSPA+ 21.1 Mbps (Cat. 18) , LTE (Cat. unspecified) , LTE 100 Mbps / 50 Mbps (Cat. 3) , LTE 150 Mbps / 50 Mbps (Cat. 4) , LTE 300 Mbps / 50 Mbps (Cat. 6) data links
Nano-SIM (4FF)
Internal antenna
64-chord melody
Voice transmission , Voice speaker , Vibrating Alert , Speakerphone , ANC , HD Voice , Voice over LTE (VoLTE)
Qualcomm SDM660
Secondary Cellular Phone
Dual standby
GSM 850MHz (B5) , GSM 900MHz (B8) , GSM 1800MHz (B3) , GSM 1900MHz (PCS, B2)
GPRS (Class unspecified) , EDGE (Class unspecified)
Nano-SIM (4FF), Internal antenna
Qualcomm SDM660
Control Peripherals
Capacitive multi-touch sensing screen
Yes
Communication Interfaces
TransFlash , microSD , microSDHC , microSD Extended Capacity
USB 2.0, USB Hi-Speed (480 Mbps)
USB charging , USB fast charging , USB Host , USB On-The-Go 1.3 , USB Power Delivery
USB Series Micro-AB
Bluetooth 5.0, Internal antenna
A2DP , AVRCP
IEEE 802.11a , IEEE 802.11b , IEEE 802.11g , IEEE 802.11n , IEEE 802.11ac, Internal antenna
Wi-Fi Tethering , Wi-Fi Calling (VoWiFi)
Multimedia Broadcast
No
Satellite Navigation
GPS (NMEA 0183)
Internal antenna
Simultaneous GPS (S-GPS) , Assisted GPS , Geotagging , QuickGPS
L1OF
B1I BeiDou receiver
Qualcomm MSM8956 Plus iZat
Primary Camera System
Rear
Samsung ISOCELL 2L9
CMOS
1.28 micrometer
4032x3024 pixel
12.2 MP camera
f/1.80
1.0 x optical zoom, 2.0 x digital zoom
Phase-Detection Autofocus (PD AF)
JPG
1920x1080 pixel, 30 fps
MPEG4
single LED
HDR photo , Slow motion video , Burst mode , Touch focus , Macro mode , Panorama Photo , Face detection , Face retouch
Auxiliary Camera
CMOS
Samsung 4E8
5.0 MP aux. cam
f/2.40
Auxiliary Camera No. 2
No
Auxiliary Camera No. 3
No
Auxiliary Camera No. 4
No
No
Secondary Camera System
Front
Samsung 2L8
CMOS
5656x4240 pixel
24.0 MP sec. cam
f/2.00
JPG, 30 fps
MPEG4
HDR photo , Burst mode , Face detection , Face tagging , Face retouch
Secondary Auxiliary Camera
No
Secondary Auxiliary Camera No. 2
No
Built-in Sensors
Yes
Yes
Yes
In-screen fingerprint sensor , Light intensity sensor , Proximity sensor
Ingress Protection
Yes
Yes
Power Supply
Lithium-ion polymer (LiPo), built-in, 1-cell
3200 mAh cell
3200 mAh battery
Geographical Attributes
India
Asia
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