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Ulefone Armor 21
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Phone Insight
Full Specifications September 4, 2026
Ulefone Armor 21 Android 13
Ulefone · 2023

Ulefone Armor 21

Ulefone Armor 21 Android smartphone. Announced May 2023. Features 6.58″ display, Helio G99 chipset, 9600 mAh battery, 256 GB storage, 8 GB RAM, MIL-STD-810H compliant.

Display 6.58"
Chipset Helio G99
RAM 8 GB
Storage 256GB storage, microSDXC
Camera 64 MP
Battery 9600 mAh
OS Android 13
Build 400g, 18.1mm thickness

Launch

Announced 2023, May 30
Status Available. Released 2023, May 30

Platform

OS Android 13
Chipset Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2

Display

Type IPS LCD, 120Hz
Size 6.58 inches, 104.3 cm 2 (~72.6% screen-to-body ratio)
Resolution 1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Protection Mohs level 4

Memory

Card slot microSDXC (dedicated slot)
Internal 256GB 8GB RAM

Main Camera

Dual 64 MP, f/1.9, (wide), 0.8µm, PDAF 24 MP, f/1.8, (night vision), 2 infrared night vision lights
Features LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps

Selfie camera

Single 16 MP, f/2.2, (wide), 1.0µm
Video 1080p@30fps

Body

Dimensions 176 x 81.6 x 18.1 mm (6.93 x 3.21 x 0.71 in)
Weight 400 g (14.11 oz)
SIM Nano-SIM + Nano-SIM
bodyother IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.5m MIL-STD-810H compliant Accessory connector (ulefone endoscope, microscope)

Battery

Type Li-Po 9600 mAh
Charging 33W wired

Sound

Loudspeaker Yes (122dB)
3.5mm jack Yes

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Infrared port Yes
Radio Stereo FM radio, RDS, recording
USB USB Type-C 2.0

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
Speed HSPA, LTE

Features

Sensors Fingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer

EU LABEL

Energy Class B
Battery 89:48h endurance, 1000 cycles
Free fall Class A (270 falls)
Repairability Class C

Misc

Colors Black
Phone Insight phoneinsight.org/ Printed September 4, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/ulefone-armor-21/

In depth

Full specifications

Announced 2023, May 30
Status Available. Released 2023, May 30
OS Android 13
Chipset Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2
Type IPS LCD, 120Hz
Size 6.58 inches, 104.3 cm 2 (~72.6% screen-to-body ratio)
Resolution 1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Protection Mohs level 4
Card slot microSDXC (dedicated slot)
Internal 256GB 8GB RAM
Dual 64 MP, f/1.9, (wide), 0.8µm, PDAF 24 MP, f/1.8, (night vision), 2 infrared night vision lights
Features LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps
Single 16 MP, f/2.2, (wide), 1.0µm
Video 1080p@30fps
Dimensions 176 x 81.6 x 18.1 mm (6.93 x 3.21 x 0.71 in)
Weight 400 g (14.11 oz)
SIM Nano-SIM + Nano-SIM
bodyother IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.5m MIL-STD-810H compliant Accessory connector (ulefone endoscope, microscope)
Type Li-Po 9600 mAh
Charging 33W wired
Loudspeaker Yes (122dB)
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS
NFC Yes
Infrared port Yes
Radio Stereo FM radio, RDS, recording
USB USB Type-C 2.0
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
Speed HSPA, LTE
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer
Energy Class B
Battery 89:48h endurance, 1000 cycles
Free fall Class A (270 falls)
Repairability Class C
Colors Black
Price About 250 EUR
PhoneInsight Benchmark
51.5/100
Mid-range

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 39.6
Display 77.9
Camera 72.2
Battery 87.2
0.1%Popularity rank
184,949 hitsTotal views
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