Cubot J20 Firmware Flash File Stock Rom

Cubot J20 Firmware

Download the newest update Cubot J20 Firmware ( flash file). You can resolve WiFi and Bluetooth issues, unbrick your device, logo Hang or slow performance, and fix any software-related problems. The Cubot Firmware helps you to FRP Bypass lock, Pin Pattern unlock, and revert from the root and custom ROM.

There are many reasons to flash. For example, your phone will be stuck with the logo and FRP lock. Suppose you hard reset your phone and cannot access the recovery menu. Then You Can Flash Your phone with this Firmware.

About Cubot J20

The Cubot J20 is 10.8 mm, 138 mm, and 65 mm (thick, long, wide). so It’s easy to use the device with one hand. Additionally, the device weighs roughly 143 g.

The Cubot J20 battery capacity is 2350 mAh. The smartphone supports 2 GB of RAM and is Powered by A 4-core MediaTek MT6739WA CPU with a 28 nm manufacturing technology

The gadget has a 16 GB data storage capacity, which can increase with SD Cards. Therefore, you most likely don’t need to be concerned about storage capacity.

The J20’s screen is 4 inches, The phone’s primary camera only has 4.92 megapixels, which is a tiny number. If you frequently take images, it may not meet your expectations.

What is Stock Rom:

The Cubot J20 Stock ROM is the Most Stable ROM released by the device manufacturers. However, the Stock ROM doesn’t offer many customizations or features for the device.

In general third-party firmware (Custom ROM) has system bugs and stability issues. In this case, you may experience battery drain issues, network issues, camera issues, missing features, lags, overheating, slow performance, and many more. But whenever you switch to Stock ROM, you can quickly fix them all. Problems.

Advantages of Stock Firmware:

  • Unbrick Cubot J20 device.
  • Fix any Software Related Problem.
  • Remove the screen lock and fix the logo hang Problem.
  • upgrade Cubot J20 Firmware Version.
  • u can unroot your Device
  • Delete all Data with one Click.
  • Fix Lag or restarting Problem.
  • Fix the Cubot J20 OTA update issue.
  • Software performance improvement
  • Fix the battery drain issue.

Firmware Information:

  • Device Name – Cubot J20
  • ROM Type – Full ROM+ OTA’s
  • SoC – Mediatek MT6739
  • OS – Android 12
  • Password –
  • Root Access – No
  • Size – GB
  • Region – All
  • Firmware Version – C041_V02

Download Cubot J20 Firmware


  • Device: Cubot J20
  • Battery Charges More than 50%
  • Need a PC or Laptop
  • Download the Latest USB Driver and Flash Tool.

How to install Stock Firmware on Cubot J20:

First download the correct Stock Firmware FIle, you can use the Flash tool to update your device. There are many firmware update tools available, and the specific steps to use them are different.

  • Download the ‘Cubot J20 flash file zip‘ which is given above, and download and extract the sp flash tool.
  • Then download the USB driver.
  • Now switch off your Cubot j20.
  • Now open the SP Flash tool.
  • when the SP Flash tool is launched, click on the Download tab.
  • Now, click on the Scatter-loading tab.
  • Choose the scatter file from the Download folder.
  • Now click on the Download button.
  • Next, connect your phone to your computer using the USB cable and press the volume up or volume down button at the same time.
  • The flashing process will start
  • After some time, you will notice the OK green ring in the SP Flash Tool.
  • Now, close the SP Flash tool and switch on the smartphone.

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