HMDPhone

Available · Released 15 May 2024

HMD T21

GSM / HSPA / LTE

HMD T21

At a Glance — Key Specifications

ChipsetUnisoc Tiger T612 (12 nm)Mali-G57Display10.36″IPS LCDRear camera8 MPFront camera8 MPMemory4GB / 128GBDedicated slotBattery8,200 mAh18W wired chargingOSAndroid 13

HMD T21 is a phone, released 15 May 2024. It pairs a 10.36″, IPS LCD display with the Unisoc Tiger T612 (12 nm), a 8 MP main camera and a 8,200 mAh battery with 18W wired charging.

Tech Mansion Scores

5.3/10 overall

  • Performance4.2
  • Camera3.5
  • Display4.5
  • Battery7.5
  • Design & Build7.2
  • Software6.0
  • Audio7.3
  • Call Quality6.2

Scored from this device's verified specifications — categories with no real data are never scored.

Launch timeline

  1. Released15 May 2024

Full Specifications

Every detail Tech Mansion has verified for this device, grouped the way people actually read them.

Launch

Launch status
Available
Release date
15 May 2024

Platform

OS
Android
OS version
Android 13
Chipset
Unisoc Tiger T612
Chipset (as published)
Unisoc Tiger T612 (12 nm)
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G57

Memory

Memory variants (RAM/storage)
4 GB RAM + 64 GB · 4 GB RAM + 128 GB
Card slot
Dedicated slot

Display

Display size
10.36″
Resolution
1,200 × 2,000 pixels
Panel type
IPS LCD
Brightness (peak)
360 nits
Display protection
Scratch-resistant glass

Battery

Battery capacity
8,200 mAh
Wired charging
18W

Body & build

Dimensions
247.5 × 157.3 × 7.5 mm
Weight
467 g
Materials
Glass, Aluminium
Colours
Black Steel
SIM
Nano-SIM

Connectivity

Bluetooth
Bluetooth 5
NFC
Yes
USB
USB Type-C 2.0, OTG
Positioning
GPS, GLONASS, GALILEO

Audio

Loudspeaker
Stereo
3.5mm jack
Yes

Features

Sensors
Accelerometer, Proximity

Network

Network technologies
2G, 3G, 4G

Camera

Rear cameras
8 MP
Front cameras
8 MP
Video (max)
1080p@30fps

Additional specifications

Network
Bands 2g
GSM 850 / 900 / 1800 / 1900
Bands 3g
HSDPA 850 / 900 / 2100
Bands 4g
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA, LTE
Display
Size
10.36 inches
Memory
Internal Gb Primary
64
Ram Gb
4
Main Camera
Features
LED flash
Video
1080p@30fps
Selfie Camera
Single
8 MP
Video
Yes
Comms
Radio
FM radio
Battery
Capacity Mah
8200
Misc
Price
About 300 EUR

Summary

Get a plain-English overview of what this device offers, generated from its specifications.

Alternatives to consider

Karbonn RebelKarbonn Rebel5.3 vs 5.7 overall

Karbonn Rebel: Better for Cameras

HMD T21Karbonn Rebel
Launch15 May 20244 Nov 2026
ChipsetUnisoc Tiger T612 (12 nm)MediaTek Helio G81
Display10.36″ · IPS LCD6.75″ · LCD (other) · 90 Hz
Rear camera8 MP50 MP
Battery8,200 mAh · 18W charging7,000 mAh · 18W charging
Memory4GB / 128GB6GB / 128GB
Full comparison →
Karbonn Rebel ProKarbonn Rebel Pro5.3 vs 5.8 overall

Karbonn Rebel Pro: Better for Cameras

HMD T21Karbonn Rebel Pro
Launch15 May 20244 Nov 2026
ChipsetUnisoc Tiger T612 (12 nm)MediaTek Helio G81
Display10.36″ · IPS LCD6.7″ · LCD (other) · 120 Hz
Rear camera8 MP64 MP
Battery8,200 mAh · 18W charging6,000 mAh · 20W charging
Memory4GB / 128GB6GB / 128GB
Full comparison →

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