SafeRooting
Celkon A21
Celkon

Celkon A21

Released: 2014. Released 2014Price: About 60 EURStatus: Discontinued

Root Support Available

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

Full Specifications

OSAndroid 4.2.2 (Jelly Bean)
CPUQuad-core 1.3 GHz Cortex-A7
GPUMali-400MP2
NFCNo
SIMDual SIM (Dual stand-by)
USBmicroUSB
Size4.0 inches, 47.6 cm, 2, (~57.8% screen-to-body ratio)
TypeTFT
WLANWi-Fi 802.11 b/g/n
BrandCelkon
ModelCelkon A21
PriceAbout 60 EUR
RadioFM radio
SpeedHSPA
VideoN/A
ColorsBlack, Blue, Red
SAR EU0.99 W/kg (head) 1.39 W/kg (body)
Single1.3 MP
StatusDiscontinued
Weight115.3 g (4.06 oz)
ChipsetMediatek MT6582 (28 nm)
SensorsAccelerometer
2G bandsGSM 900 / 1800 - SIM 1 & SIM 2
3G bandsHSDPA 2100
Internal512MB 256MB RAM
Released2014. Released 2014
Stand-byUp to 120 h (3G)
Announced2014. Released 2014
Bluetooth4.0, A2DP
Card slotmicroSDHC
Talk timeUp to 8 h (3G)
3.5mm jackYes
Dimensions124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
Resolution320 x 480 pixels, 3:2 ratio (~144 ppi density)
TechnologyGSM / HSPA
LoudspeakerYes
PositioningNo

Celkon A21 Overview

About Celkon A21 Celkon A21 is a discontinued device from Celkon's popular line of first class Android phones, released in the 2014. Released 2014. Celkon A21 has a wide variety of great specifications such as 512MB 256MB RAM with Mediatek MT6582 (28 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

Celkon A21 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 Celkon A21?

The Celkon A21 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 Celkon A21 support custom recovery (TWRP)?

Many Celkon 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 Celkon A21 void warranty?

Yes, rooting the Celkon A21 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Celkon A21 run?

Check the specifications section above for the current OS version and upgrade history of your Celkon A21.