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vivo Y31t
vivo · phone

Y31t

Apple iPhone Duo
Apple · phone

iPhone Duo

3

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Launch

2
Announced
2026-08-19
2026-09-09
Status
Available
Coming soon

Network

5
2G bands
  • GSM-850
  • P-GSM-900
  • E-GSM-900
  • DCS-1800
  • PCS-1900
  • GSM-850
  • P-GSM-900
  • E-GSM-900
  • DCS-1800
  • PCS-1900
3G bands
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B1 (2100 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B4 (1700 MHz)
  • B2 (1900 MHz)
  • B1 (2100 MHz)
SIM
  • Dual SIM (Nano-SIM)
  • Dual SIM (Embedded-SIM)
4G bands
–
  • B1 (2100 MHz)
  • B2 (1900 MHz)
  • B3 (1800 MHz)
  • B4 (1700 MHz)
  • B5 (850 MHz)
  • B7 (2600 MHz)
  • B8 (900 MHz)
  • B12 (700 MHz)
5G bands
–
  • n1 (2100 MHz)
  • n2 (1900 MHz)
  • n3 (1800 MHz)
  • n5 (850 MHz)
  • n7 (2600 MHz)
  • n8 (900 MHz)
  • n12 (700 MHz)
  • n20 (800 MHz)

Body

10
Form factor
Bar
Foldable
Height
166.6 mm
117.8 mm
Width
78.4 mm
164.6 mm
Thickness
8.4 mm
5.2 mm
Weight
219 g
254 g
Protection
IP68/IP69
IP68
Colors
  • Crimson Red
  • Seashore Green
  • Golden Mist
  • Night Sky
  • Star White
Back material
Plastic
Glass
Frame material
Plastic
–
QWERTY keyboard
✕ No
✕ No

Platform

2
OS
Android 16, OriginOS 6
iOS 27
Chipset
Qualcomm Snapdragon 4 Gen 2 (4 nm)
Apple A20 Pro (2 nm)

Memory

2
Memory
  • 4GB RAM, 128GB
  • 6GB RAM, 128GB
  • 6GB RAM, 256GB
  • 12GB RAM, 256GB
  • 12GB RAM, 512GB
  • 12GB RAM, 1TB
  • 12GB RAM, 2TB
Dedicated card slot
✕ No
✕ No

Display

10
Size
6.75"
7.6"
Resolution
HD
QHD
Resolution width
720 px
1878 px
Resolution height
1608 px
2670 px
Pixel density
261 ppi
430 ppi
Refresh rate
120 Hz
120 Hz
High refresh rate
✓ Yes
✓ Yes
Display area
109.6 cm²
175.4 cm²
Screen-to-body ratio
83.9%
90.4%
Technology
IPS LCD
LTPO Super Retina XDR OLED

Main camera

5
Cameras
  • 50MP, f/1.8, wide, PDAF
  • 48MP, f/1.6, wide, OIS, PDAF
  • 48MP, f/2.2, ultrawide, PDAF
Flash
LED
Dual-LED dual-tone
Video
1080p@30fps
  • 4K@24/25/30/60/100/120fps
  • 1080p@25/30/60/120/240fps
HDR
✓ Yes
✓ Yes
Panorama
✓ Yes
✓ Yes

Selfie camera

4
Cameras
  • 8MP, f/2.1, wide
  • f/1.8
  • 12MP, f/2.2, wide
Video
1080p@30fps
  • 4K@24/25/30/60fps
  • 1080p@25/30/60/120fps
HDR
✕ No
✓ Yes
Pop-up camera
✕ No
✕ No

Sound

3
3.5mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✓ Yes
Loudspeaker
✓ Yes
✓ Yes

Sensors

7
Fingerprint
side-mounted
side-mounted
Gyroscope
✕ No
✓ Yes
Compass
✓ Yes
✓ Yes
Barometer
✕ No
✓ Yes
Heart rate
✕ No
✕ No
Accelerometer
✓ Yes
✓ Yes
Proximity
✓ Yes
✓ Yes

Connectivity

7
Wi-Fi
Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
Wi‑Fi 7 (802.11be)
Bluetooth
Bluetooth 4.2
Bluetooth 6.0
USB
USB Type-C 2.0
USB Type-C 3.2
GPS
✓ Yes
✓ Yes
NFC
✕ No
✓ Yes
Infrared port
✕ No
✕ No
FM radio
✕ No
✕ No

Battery

5
Capacity
7200 mAh
4883 mAh
Type
Li-ion
Li-ion
Charging power
44 W
–
Removable
✕ No
✕ No
Wireless charging
✕ No
✓ Yes