Vivo X21

Network

• Technology: GSM / CDMA / HSPA / LTE
• 2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
• Note: CDMA 800 & TD-SCDMA
• 3G bands: HSDPA 850 / 900 / 1900 / 2100
• 4G bands: 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
• Speed: HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps

Launch

• Announced: 2018, March
• Status: Available. Released 2018, March

Body

• Dimensions: 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
• Weight: 156.2 g (5.50 oz)
• Build: Glass front (Gorilla Glass 3), aluminum back, aluminum frame
• SIM: Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display

• Type: Super AMOLED
• Size: 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)
• Resolution: 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
• Protection: Corning Gorilla Glass 3

Platform

• OS: Android 8.1 (Oreo), Funtouch 4
• Chipset: Qualcomm SDM660 Snapdragon 660 (14 nm)
• CPU: Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
• GPU: Adreno 512

Memory

• Card slot: microSDXC (uses shared SIM slot)
• Internal: 64GB 6GB RAM, 128GB 6GB RAM
• Note: eMMC 5.1

Main Camera

• Dual: 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 5 MP, f/2.4, (depth)
• Features: LED flash, HDR, panorama
• Video: 1080p@30fps

Selfie camera

• Single: 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
• Video: 1080p@30fps

Sound

• Loudspeaker: Yes
• 3.5mm jack: Yes
• Note: 32-bit/192kHz audio

Comms

• WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
• Bluetooth: 5.0, A2DP, LE
• GPS: Yes, with A-GPS, GLONASS
• NFC: No
• Radio: FM radio
• USB: microUSB 2.0, USB On-The-Go

Features

• Sensors: Fingerprint (rear-mounted), accelerometer, proximity, compass

Battery

• Type: Li-Ion 3200 mAh, non-removable
• Charging: Fast charging 18W

Misc

• Colors: Black, Aurora White, Ruby Red
• Models: 1725, X21A
• Price: About 450 EUR