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vivo X21i
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Phone Insight
Full Specifications September 4, 2026
vivo X21i Android 8.0
vivo · 2018

vivo X21i

vivo X21i Android smartphone. Announced May 2018. Features 6.28″ display, MT6771 Helio P60 chipset, Dual: 12 MP (f/1.8, 1/2.5″, 1.4µm, dual pixel PDAF) + 5 MP primary camera, 24 MP front camera, 3425 mAh battery, 128 GB storage, 6 GB RAM.

Display 6.28"
Chipset Helio P60
RAM 4/6 GB
Storage 64GB/128GB storage, microSDXC
Camera 12 MP
Battery 3425 mAh
OS Android 8.1, Funtouch 4
Build 159g, 7mm thickness

Launch

Announced 2018, May. Released 2018, May
Status Discontinued

Platform

OS Android 8.1 (Oreo), Funtouch 4
Chipset Mediatek MT6771 Helio P60 (12 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU Mali-G72 MP3

Display

Type Super AMOLED
Size 6.28 inches, 98.4 cm 2 (~85.0% screen-to-body ratio)
Resolution 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

Memory

Card slot microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 4GB RAM
memoryother eMMC 5.1

Main Camera

Dual 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF Auxiliary lens
Features LED flash, HDR, panorama
Video 1080p@30fps

Selfie camera

Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm

Body

Dimensions 154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight 159 g (5.61 oz)
SIM Nano-SIM + Nano-SIM

Battery

Type Li-Ion 3425 mAh, non-removable
Charging 18W wired

Sound

Loudspeaker Yes
3.5mm jack Yes
optionalother 32-bit/192kHz Hi-Res audio

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS
NFC No
Radio FM radio
USB microUSB 2.0, OTG

Network

Technology GSM / CDMA / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 4, 5, 8, 38, 39, 40, 41
Speed HSPA, LTE

Features

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

Misc

Colors Black, Aurora White, Ruby Red, Night Purple
Models X21i A
Phone Insight phoneinsight.org/ Printed September 4, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/vivo-x21i/

In depth

Full specifications

Announced 2018, May. Released 2018, May
Status Discontinued
OS Android 8.1 (Oreo), Funtouch 4
Chipset Mediatek MT6771 Helio P60 (12 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU Mali-G72 MP3
Type Super AMOLED
Size 6.28 inches, 98.4 cm 2 (~85.0% screen-to-body ratio)
Resolution 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Card slot microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 4GB RAM
memoryother eMMC 5.1
Dual 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF Auxiliary lens
Features LED flash, HDR, panorama
Video 1080p@30fps
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Dimensions 154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in)
Weight 159 g (5.61 oz)
SIM Nano-SIM + Nano-SIM
Type Li-Ion 3425 mAh, non-removable
Charging 18W wired
Loudspeaker Yes
3.5mm jack Yes
optionalother 32-bit/192kHz Hi-Res audio
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS
NFC No
Radio FM radio
USB microUSB 2.0, OTG
Technology GSM / CDMA / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100
4G bands 1, 3, 4, 5, 8, 38, 39, 40, 41
Speed HSPA, LTE
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass
Colors Black, Aurora White, Ruby Red, Night Purple
Models X21i A
Price About 430 EUR
PhoneInsight Benchmark
36/100
Entry-level

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 26.8
Display 66
Camera 48
Battery 58.6
344,878 hitsTotal views
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