HMD T21

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Overview
Colors
Size & weight
Display
Imaging
Connectivity
Battery & charging
Memory & storage
Platform
Operating System
Audio
Networks
Security
Buttons
Materials
Sensors
In the box
Environmental profile
Back

Technical specificationsHMD T21

Colors

Black Steel

Size & weight

Height:

247.5 mm

Weight:

467 g

Width:

157.3 mm

Depth:

7.5 mm

Display

Size:
10.36 in
Cover glass:

Toughened glass

Aspect ratio:

5:3

Features:

SGS Low Blue Light Certification, Brightness 360nits (typ.), Active pen support, Widevine L1 for HD streaming support

Resolution:

2K (1200 x 2000)

10.36 inch

Imaging

Front camera:
8 MP

FF

Rear camera:
8 MP

Main

AF

Rear flash LED

Connectivity

Bluetooth®:

5.0

Features:

NFC (available on WiFi+4G NFC variant only)

Headphone jack:
3.5 mm
Location:

GPS/AGPS + GLONASS + GALILEO

USB connection:

USB Type-C (USB 2.0) OTG

WiFi:

802.11 a/b/g/n/ac (2.4/5G dual band)

Battery & charging

Battery:
8200 mAh1

Non Removable

Battery life:

Up to 3-day battery life

2
Charging:

18W fast charging support (PD3.0)

Features:

800 full charging cycles

Wattage:
18 W

Memory & storage

Cloud storage:

Google Drive

Internal storage:
64 GB3
MicroSD card support up to:
512 GB
RAM:
4 GB

Platform

CPU:

Unisoc T612

Features:

Octa-core: 2 x A75 and 6 x A55 @ 1.8GHz

Operating System

Features:

Android Enterprise Recommended

Operating System:

Android™ 13

OS upgrades:

2 OS upgrades

4

Audio

Features:

OZO Spatial Audio Recording and Playback

FM Radio receiver:

FM radio

Microphones:
2
Speakers:
2

Networks

Features:

WiFi+4G: voice calling, SMS and IMS, WiFi+4G NFC variant available

Max network speed:

4G

Network bands (GSM):

850, 900, 1800, 1900

Network bands (LTE):

1, 3, 5, 7, 8, 20, 28, 38, 40, 41 (Full)

Network bands (WCDMA):

1, 5, 8

Networks:

WiFi + 4G only: 4G, 3G, 2G

Sim size:

Nano

Security

Security updates:

Security updates until summer 2027

Face Unlock

Buttons

Buttons:

Volume up/down, Power button

Materials

Back:

Aluminium, 50% recycled plastic antenna cover

Frame:

Aluminium

Front:

Toughened glass

IP Rating:

IP52

Sensors

Accelerometer (G-sensor)

Ambient light sensor

Hall sensor

In the box

Sim Pin

User Guide

Charger

Quick Start Guide

Safety Booklet

USB Type C™ Cable

Environmental profile

Read more
  1. Battery has limited recharge cycles and battery capacity reduces over time. Eventually the battery may need to be replaced.

  2. The 3-day battery testing was conducted using a real life usage test by HMD Global. The test included active usage of a device for 5 hours per day with a new battery. Usage included e.g. gaming, video streaming, calling, sending sms, browsing and using apps (such as social media, news, navigation and music). The test was conducted with normal device settings in a lit indoor environment. The device was left on standby overnight.

  3. Pre-installed system software and apps use a significant part of memory space.
  4. From the global launch date of the device