SafeRooting
Cubot J20
Cubot

Cubot J20

Released: 2022Status: Available. Released 2022

Root Support Available

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

Full Specifications

OSAndroid 12 (Go edition)
CPUQuad-core 1.3 GHz Cortex-A53
GPUPowerVR GE8100
NFCNo
SIMNano-SIM + Nano-SIM
USBYes
Size4.0 inches, 44.1 cm, 2, (~57.6% screen-to-body ratio)
TypeTN TFT
WLANWi-Fi 802.11 b/g/n
BrandCubot
ModelCubot J20
RadioUnspecified
SpeedHSPA, LTE
VideoYes
ColorsBlue, Black, Green
Single2 MP
StatusAvailable. Released 2022
Weight143 g (5.04 oz)
ChipsetMediatek MT6739WA (28 nm)
SensorsAccelerometer
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100
4G bands1, 3, 5, 7, 8, 19, 20, 40
FeaturesLED flash
Internal16GB 2GB RAM
Released2022
Announced2022
Bluetooth4.2, A2DP
Card slotmicroSDXC (dedicated slot)
3.5mm jackUnspecified
Dimensions126.3 x 60.6 x 12.7 mm (4.97 x 2.39 x 0.5 in)
Resolution480 x 854 pixels, 16:9 ratio (~245 ppi density)
TechnologyGSM / HSPA / LTE
LoudspeakerYes
PositioningGPS, GLONASS, GALILEO

Cubot J20 Overview

About Cubot J20 Cubot J20 is another flagship from Cubot's popular line of first class Android phones, released in the 2022. Cubot J20 has a wide variety of great specifications such as 16GB 2GB RAM with Mediatek MT6739WA (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

Cubot J20 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 Cubot J20?

The Cubot J20 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 Cubot J20 support custom recovery (TWRP)?

Many Cubot 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 Cubot J20 void warranty?

Yes, rooting the Cubot J20 will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Cubot J20 run?

Check the specifications section above for the current OS version and upgrade history of your Cubot J20.