SafeRooting
HMD T21 root support — Magisk root and bootloader unlock
Hmd

HMD T21

Released: 2024, May 15Available. Released 2024, May 15

ROOT AVAILABLE

This device is fully compatible with our remote root service. Includes Bootloader Unlock, Magisk, and custom setup.

4.6 Rating

General

Brand
HMD
Model
HMD T21
Released
2024, May 15
Status
Available. Released 2024, May 15
Price
About 300 EUR
OS
Android 13
Dimensions
247.5 x 157.3 x 7.5 mm (9.74 x 6.19 x 0.30 in)
Weight
467 g (1.03 lb)
Build
Glass front, aluminum back
SIM
Nano-SIM

Display

Type
IPS LCD, 360 nits (typ)
Size
10.36 inches, 305.5 cm, 2, (~78.5% screen-to-body ratio)
Resolution
1200 x 2000 pixels, 5:3 ratio (~225 ppi density)
Protection
Scratch-resistant glass

Performance

Chipset
Unisoc Tiger T612 (12 nm)
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G57
Internal
64GB 4GB RAM, 128GB 4GB RAM
Card slot
microSDXC (dedicated slot)

Camera

Single
8 MP
Features
LED flash
Video
Yes

Battery

Charging
18W wired, PD3.0

Network

Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA, LTE

Connectivity

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
Positioning
GPS, GLONASS, GALILEO
NFC
Yes (market/region dependent)
Radio
FM radio
USB
USB Type-C 2.0, OTG
3.5mm jack
Yes

Sensors

Sensors
Accelerometer, proximity (accessories only)

Other

Colors
Black Steel
Announced
2024, May 15
Loudspeaker
Yes, with stereo speakers

HMD T21 Overview

The HMD T21 is an Android device from Hmd, released in 2024. It combines the Unisoc Tiger T612 (12 nm) and a 10.36-inch display, running Android 13. This page tracks its full specifications, root status, and the bootloader and recovery notes that apply to it.

Root the HMD T21

The HMD T21 is a 2024 Android device from Hmd. It runs the Unisoc Tiger T612 (12 nm), a Unisoc platform with thinner community tooling — extra caution warranted. Shipped software: Android 13. For this model the realistic path is: a standard fastboot bootloader unlock, followed by Magisk via patched init_boot image (fastboot). Typical hands-on time is 2–4 hours (after eligibility check).

Difficulty

Advanced — verify unlock eligibility first

Typical time

2–4 hours (after eligibility check)

Method

Magisk via patched init_boot image (fastboot) — KernelSU also viable (GKI kernel)

Bootloader unlock on Hmd

Unlock procedure follows the generic Android flow: enable OEM Unlocking in Developer Options, then unlock via fastboot. Exact availability depends on the model and region — confirm before flashing.

Platform notes

Unisoc platforms have thinner community tooling than Qualcomm or MediaTek; unlock and flash procedures exist for many models but documentation is sparse — verify your exact variant before flashing anything.

Before you start

  • Bootloader unlocking factory-resets the device on almost all models — back up everything first.
  • As a device launched on Android 13, the Magisk target is typically init_boot.img, not boot.img — patching the wrong image is the top bootloop cause on newer models.

FAQ

Can I root the HMD T21?

Only if this exact model and region are eligible for a bootloader unlock. Unlock procedure follows the generic Android flow: enable OEM Unlocking in Developer Options, then unlock via fastboot. Exact availability depends on the model and region — confirm before flashing. Once an unlock is approved, root is Magisk via patched init_boot image (fastboot).

Does the HMD T21 support custom recovery (TWRP)?

That depends on community support for this exact model — verify a build exists for its codename before flashing anything. TWRP is not required for root: Magisk installs by flashing a patched init_boot image via fastboot.

Will root the HMD T21 void my warranty?

Hmd will generally treat a rooted HMD T21 as outside warranty while it is modified. Restoring full stock firmware before a service visit usually restores normal treatment in practice, and consumer law in some regions (such as the EU) may still cover defects unrelated to root.

What Android version does the HMD T21 run?

It runs Android 13. The specifications table on this page lists the full software details.