Lenovo is a Chinese multinational technology company that has its headquarters in Beijing.  Lenovo manufactures a huge variety of electronic products ranging from laptop computers to smartphones. It has manufactured a lot of smartphones it’s time and one such smartphone launched by Lenovo was Lenovo k50k40. Also called the Lenovo k3 note. It sold millions of units during its launch as it provided great value for money and was appreciated by many customers. Lenovo tried to disrupt the mobile smartphone market with its aggressive pricing and great specifications provided in the Lenovo k3 note.

It was a great launch for Lenovo as they sold millions of units of the smartphone in the initial days of sale.  It was such a popular device that many people use this very device even today as their primary smartphone. But if a device is sold in such huge quantities it is common for some of those units to have certain software issues that might occur in the future.  If your Lenovo k50a40 is one such device where you are facing any kind of software issues then the best way to get rid of those issues is to install the flash file firmware. 

The flash file can help you to fix any kind of software issues on your device by resetting it and installing a fresh copy of the operating system on the device.  The process to do so is very easy and requires just a computer. You can perform this process on your own without having to spend any money or visit a mobile repair center.

In this article, we will see what a flash file is and id how you can install the flash file firmware on your  Lenovo k50a40. 


What is Lenovo k50a40 flash file?

Before proceeding further with this article we need to know what exactly is a flash file. Flash file is a combination of 4 different system software such as the operating system, bootloader, kernel, and the recovery image. All these components of the flash file combined together make your phone possible to use. The operating system handles the user interface and resource management of the device while the bootloader helps to load the operating system in-memory whenever you switch on the phone. The kernel is the component of the device that provides an interface for the operating system to interact with the hardware of the device. Similarly, the recovery image handles the update provided to the device by the manufacturer. 

Manufacturers generally provide the flash file during the launch of the device on their website. The flash is especially helpful if your device starts facing any kind of software issue.  Re-installing the flash file can help you to solve problems such as app freezing issues, unresponsive operating system, frequent restarts, etc. Keep in mind that installing the flash file on your smartphone will reset it and all the data present on the device will be lost. So make sure that you have back up of your important data before installing the flash file.

In this tutorial, we will see how you can install the flash file on your Lenovo k50a40  smartphone.

Installing the flash file can solve these problems –

  • If you have forgotten the unlock pattern or the password to unlock your device and are unable to access it then flashing the file firmware will reset your device after which you can access your device. 
  • If your device goes in a boot loop where it just keeps restarting over and over again. In such cases also, reinstalling the flash file can help your device to get back to its original state. 
  • If your device is behaving in unwanted ways and you can’t figure out what exactly is wrong then it is very likely that your operating system is having some kind of bugs or glitches that can be easily fixed by reinstalling the flash file firmware.
  • If your device keeps on restarting itself on certain intervals unexpectedly. Installing the flash file can help the device to get back to its original state and avoid these kinds of issues. 

How to install flash file firmware in Lenovo k50a40?

If you want to install the flash file firmware on your Lenovo k50a40 then follow the below-given steps carefully.

Note –

Following the below-given process incorrectly may result in a permanently dead device. We are not responsible for any damage caused to your device by following the below-given tutorial. Do it at your own risk.

Download Lenovo k50a40 flash file and the required tools

Below are the links to the files that are needed for this process. Download these files before proceeding with the procedure.

After downloading these three files extract them in separate folders on your desktop for easy accessibility.

Steps to flash Lenovo k50a40 firmware file –

Charge your device at least up to 50% before starting with the procedure. In this process, we will be using sp flash tools to install the flash file in your device.

  • First of all, you will need to install the device drivers on your computer that you can do by navigating to the folder where you have extracted them in the previous steps.
  • Not take your mobile device and switch it off. Also, make sure that you remove the phone’s battery and if the battery is non-removable just leave it as it is.
  • Navigate to the folder where you have extracted sp flash tools and find the file that says flash_tool.Exe and launch it by double-clicking on it. 
  • This will launch sp flash tools and now you will have to click on the choose button present in front of the scatter file option. 
  • A new window will open where you will have to select the path. For the scatter file which you can find in the folder where you have extracted the flash file for your device. 
  • After selecting the scatter file the list below the scatter file option in sp flash tools should get populated. 
  • Untick the option that says preloader.
  • The next step is to connect your mobile device to your computer via USB cable. If your computer doesn’t detect your mobile phone after connecting it. Just press the volume up volume down button on your mobile device.
  • Once the computer detects your mobile device press the download button in sp flash tools. 
  • The flashing process will start now. You should see a small progress bar at the bottom of the sp flash tools.
  • A small green circle will pop up on your screen once the flashing process has completed successfully.
  • When the process completes successfully close the sp flash tools and disconnect your mobile device from your computer.
  • If everything went correctly your device should have a new installation of the operating system. 
  • Press the power button and restart your device. 

Conclusion –

In this article, we have discussed the procedure of reinstalling the flash file firmware in your Lenovo k50a40. Installing the flash file from where can help your device get rid of any kind of software issues such as frequent unexpected restarts, up freezing issues, unresponsive apps, etc.