X21i - Vivo Mobile Phones: Technical Specifications, Features and Reviews
Submitted By Asha Manoj on 9 August 2018
- Manufacturer : VIVO
- Model : X21i
- OS : Android 8.1 (Oreo)
- Network : GSM / CDMA / HSPA / LTE
- Dimensions : 154.4 x 75 x 7 mm
- Weight : 159 g
- SIM Type : Hybrid Dual SIM (Nano-SIM, dual stand-by)
- Dual SIM : Yes
- Headphones : Yes
- Available Colors : Black, Aurora White, Ruby Red, Night Purple
Vivo X21i is a smartphone was announced in May 2018. The mobile phone comes with a 6.28-inch touchscreen display with a resolution of 1080 pixels by 2280 pixels. It is powered by 2GHz octa-core processor, 4GB of RAM and 64GB of internal storage that can be expanded up to 256GB via a microSD card. The smartphone packs a 12-megapixel primary camera on the rear and a 24-megapixel front shooter for selfies. The mobile phone runs Android 8.1 operating system. It is powered by a 3245mAh battery. The connectivity options include Wi-Fi, GPS, Bluetooth, USB OTG, FM, 3G and 4G.
Hardware Specification
- Processor : Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
- RAM Size : 6 GB, 4 GB
- Internal Storage : 128 GB, 64 GB
- Expandable Storage : microSD, up to 256 GB
Display Specification
- Display Type : Super AMOLED capacitive touchscreen, 16M colors
- Display Size : 6.28 inches
- Touchscreen : Yes
- Display Multitouch : Yes
- Main Camera : Dual 12 MP, f/1.8, 1/2.5, 1.4µm, dual pixel PDAF 5 MP, f/2.0, depth sensor
- Main Camera Flash : Yes
- Main Camera Auto Focus : Yes
- Main Camera Video Recording Resolution : 1080p@30fps
- Front Camera : 24 MP
Battery Specification
- Battery Capacity : Non-removable Li-Ion 3425 mAh battery
Connectivity
- Operating Frequency : 850 / 900 / 1800 / 1900 MHZ, 800 MHZ, 850 / 900 / 1900 / 2100 MHZ, LTE band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
- Connectivity Internet : Yes
- Connectivity 3G : Yes
- Connectivity 4G : Yes
- Connectivity WiFi : Wi-Fi 802.11 a/b/g/n/ac
- Connectivity WiFi Direct : Yes
- Connectivity Bluetooth : 5.0, A2DP, LE
- Connectivity USB : microUSB 2.0, USB On-The-Go
- Connectivity FM : Yes
Location Technology
- Location GPS : Yes
- Location Glonass : Yes
Sound
- Alert Types : Vibration; MP3, WAV ringtones
- Loudspeaker : Yes
- Mobile Earjack : 3.5 mm
Audio and Video
- Video Playing Format : MP4/H.264 player
- Audio Playing Format : MP3/AAC/WAV player
Sensors
- Fingerprint Sensor : Yes
- Accelerometer Sensor : Yes
- Proximity Sensor : Yes