specdeviceinfo

Armor 21

Armor 21 · Ulefone

SoC
Helio G99
RAM
8 GB LPDDR4X
Resolution
2408x1080
Android API
14 (34)
specdeviceinfo analysis

What this hardware actually means

Editorial interpretation generated from the device's self-reported fields and our SoC tier database. Cross-reference with the raw fields below; if you spot a contradiction, please tell us.

Platform & performance positioning

The ulefone Armor 21 is built around the Helio G99, a mid-range SoC from MediaTek. It launched in 2022 on a TSMC 6nm N6 process. Late-2022 4G gaming-focused mid SoC; the Redmi Note 12 / Tecno Camon series workhorse.

Smooth daily use, capable of high-fps Mobile Legends / PUBG at medium.

Day-to-day workload

8 GB LPDDR4X of RAM is comfortable for modern apps and moderate multitasking. Display resolution is 2408x1080.

This record reflects Android API level 34 (14). Android 14 or newer — modern security baseline, supported by all current banking and payment apps.

Trust & buying notes

If you're cross-checking a phone advertised as a ulefone Armor 21, the fields most worth verifying are: Build.MANUFACTURER lowercase-equal to "ulefone"; Build.SOC_MODEL set (Android 12+) and consistent with Helio G99. For an automated check, run our Hardware Trust Score from the DevCheck AI app and compare its output against this entry.

For a second-hand purchase, also verify the security patch date is no more than ~12 months old, the boot count is plausible for the claimed age, and battery health is above 85%.

Identity

MANUFACTURER
Ulefone
BRAND
Ulefone
MODEL
Armor 21
PRODUCT
Armor_21

Operating System

API
14 (34)
KERNEL
5.10.205-android12-9-00027-g4d6c07fc6342-ab11525972
PLATFORM
mt6789

SoC / CPU

SOC
Helio G99
CPU
MT6789V/CD
CORES
8
FAMILY
Cortex-A76 Cortex-A55
CLUSTERS
2 x 2.20 GHz 6 x 2.00 GHz
CLOCK_SPEED
500 - 2200 MHz
REVISION
r4p0 r2p0
TECHPROCESS
6 nm

GPU

GPU_VENDOR
ARM
GPU_MODEL
Mali-G57 MC2
GPU_VERSION
3.2 v1.r32p1-01eac0.394145956bc7cd8e697b330aba11e3d3

Memory & Storage

RAM
8 GB LPDDR4X
FLASH
UFS

Display

RESOLUTION
2408x1080
TOUCHSCREEN
ILITEK_TDDI

Sensors

ACCELEROMETER
icm4n607_acc
GYROSCOPE
icm4n607_gyro
MAGNETOMETER
af6133e
BAROMETER
spl0x
ALSPS
stk3a5x_als stk3a5x_ps
FINGERPRINT_SENSOR
madev

Connectivity

WIFI
CONSYS_MT6789
NFC
st21nfc

Audio & Power

AUDIO
aw883xx_smartpa
CHARGER
cw221X

Other

LENS
MAINAF
SOUND
mt6789mt6366
PMIC
mt6375
OTHER
unk0d unk10 unk10 unk11 unk1a unk1a unk1a unk4a unk4e unk50 unk51 unk63 unk64 unk64 unk6a unk6f

Related devices

Other phones in our database with similar hardware — same brand or same SoC.

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