SafeRooting
Ulefone Armor 21
Ulefone

Ulefone Armor 21

Released: 2023, May 30Price: About 280 EURStatus: Available. Released 2023, May 30

Root Support Available

Bootloader unlock, Magisk root, recovery notes, and expert support are available for this device family.

Full Specifications

OSAndroid 13
CPUOcta-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPUMali-G57 MC2
NFCYes
SIMNano-SIM + Nano-SIM
USBUSB Type-C 2.0
Dual64 MP, f/1.9, (wide), 0.8µm, PDAF, 24 MP, f/1.8, (night vision), 2 infrared night vision lights
Size6.58 inches, 104.3 cm, 2, (~72.6% screen-to-body ratio)
TypeIPS LCD, 120Hz
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band
BrandUlefone
ModelUlefone Armor 21
PriceAbout 280 EUR
RadioStereo FM radio, RDS, recording
SpeedHSPA, LTE
Video1080p@30fps
ColorsBlack
Single16 MP, f/2.2, (wide), 1.0µm
StatusAvailable. Released 2023, May 30
Weight400 g (14.11 oz)
ChipsetMediatek Helio G99 (6 nm)
SensorsFingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41, 66
Charging33W wired
FeaturesLED flash, HDR, panorama
Internal256GB 8GB RAM
Released2023, May 30
Announced2023, May 30
Bluetooth5.2, A2DP, LE
Card slotmicroSDXC (dedicated slot)
3.5mm jackYes
Dimensions176 x 81.6 x 18.1 mm (6.93 x 3.21 x 0.71 in)
Resolution1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes (122dB)
PositioningGPS, GLONASS, GALILEO, BDS
Infrared portYes

Ulefone Armor 21 Overview

About Ulefone Armor 21 Ulefone Armor 21 is another flagship from Ulefone's popular line of first class Android phones, released in the 2023. Ulefone Armor 21 has a wide variety of great specifications such as 256GB 8GB RAM with Mediatek Helio G99 (6 nm) , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

Ulefone Armor 21 can generally be rooted with a bootloader unlock and Magisk patched boot image workflow. Always match firmware build numbers before flashing.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the Ulefone Armor 21?

The Ulefone Armor 21 supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does Ulefone Armor 21 support custom recovery (TWRP)?

Many Ulefone devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting Ulefone Armor 21 void warranty?

Yes, rooting the Ulefone Armor 21 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Ulefone Armor 21 run?

Check the specifications section above for the current OS version and upgrade history of your Ulefone Armor 21.