SafeRooting
Karbonn A21
Karbonn

Karbonn A21

Released: 2012Price: About 130 EURStatus: Discontinued

Guide Coming Soon

We are preparing a verified guide. Contact support before attempting advanced flashing steps.

Full Specifications

OSAndroid 4.0 (Ice Cream Sandwich)
CPUDual-core 1.2 GHz
NFCNo
SIMDual SIM (Mini-SIM)
USBmicroUSB 2.0
Size4.5 inches, 57.6 cm, 2
TypeTFT, 256K colors
WLANWi-Fi 802.11 b/g/n
BrandKarbonn
ModelKarbonn A21
PriceAbout 130 EUR
RadioNo
SpeedHSPA 7.2/0.384 Mbps
VideoN/A
ColorsPearl White
SAR EU0.44 W/kg (head)
Single1.3 MP
StatusDiscontinued
Weight-
SensorsAccelerometer, proximity
2G bandsGSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 2100
FeaturesLED flash
Internal4GB 512MB RAM
Released2012
Stand-byUp to 200 h
Announced2012
Bluetooth2.1, A2DP
Card slotmicroSDHC (dedicated slot)
Talk timeUp to 5 h
3.5mm jackYes
Dimensions-
Resolution480 x 800 pixels, 5:3 ratio (~207 ppi density)
TechnologyGSM / HSPA
LoudspeakerYes
PositioningGPS

Karbonn A21 Overview

About Karbonn A21 Karbonn A21 is a discontinued device from Karbonn's popular line of first class Android phones, released in the 2012. Karbonn A21 has a wide variety of great specifications such as 4GB 512MB RAM , 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

A verified root guide for Karbonn A21 is not yet published. Avoid flashing files from unrelated device variants.

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 Karbonn A21?

The Karbonn 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 Karbonn A21 support custom recovery (TWRP)?

Many Karbonn 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 Karbonn A21 void warranty?

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

What Android version does Karbonn A21 run?

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