If you own a Blu B140DL smartphone, you may have noticed that there are some limitations to what you can do with it. Luckily, there is a way to unlock the full potential of your device: by downloading and installing firmware updates.

What is Firmware?

Firmware is the software that runs on your smartphone’s hardware. It is responsible for controlling how your device works and interacts with other software and hardware components. Firmware updates often include bug fixes, security patches, and new features that improve the performance and functionality of your device.

Why Upgrade Your Blu B140DL Firmware?

Upgrading your Blu B140DL firmware(stock ROM firmware) can improve the overall performance of your device. Newer firmware versions often include bug fixes and security patches that address known issues and vulnerabilities. Additionally, firmware updates can introduce new features and enhancements that were not present in previous versions.

How to Download and Install Blu B140DL Firmware Updates

Before downloading and installing any firmware updates, make sure that your device is fully charged and that you have backed up all of your important data. Firmware updates can sometimes cause data loss or other issues, so it is important to be prepared.

  1. Go to the Blu website and navigate to the support section.
  2. Select your device model from the list of available options.
  3. Locate the firmware update for your specific device and download it to your computer.
  4. Connect your Blu B140DL smartphone to your computer using a USB cable.
  5. Transfer the firmware update file to your device’s internal storage or SD card.
  6. Disconnect your device from your computer.
  7. On your device, go to Settings > System > About phone > Software updates.
  8. Select the firmware update file that you transferred to your device and follow the on-screen instructions to install the update.
  9. Once the installation is complete, your device will restart.

It is important to note that firmware updates can take some time to install, so be patient and do not interrupt the process. Interrupting the installation process can cause serious issues with your device, so make sure to let the update run its course.


Upgrading your Blu B140DL firmware is a great way to unlock the full potential of your device. By following the steps outlined above, you can download and install the latest firmware updates and enjoy improved performance, new features, and enhanced security.