Is There an Android App to Use a Phone as a Bluetooth USB Dongle on a Laptop That Doesn’t Have Bluetooth?

Many of us find ourselves in situations where our laptops lack essential connectivity options. One common scenario is a laptop that doesn’t have a Bluetooth adapter, leaving us unable to enjoy the benefits of wireless Bluetooth devices. Fortunately, with the right tools and knowledge, you can use your Android smartphone as a Bluetooth USB dongle. This article will guide you through the process, and explore the reasons why this solution might be beneficial for modern-day laptop users.

Why Use a Smartphone as a Bluetooth USB Dongle?

While it might seem like a curious workaround, converting your smartphone into a Bluetooth USB dongle can be surprisingly useful. Here are a few reasons why you might want to set this up:

Connectivity: When your laptop lacks a Bluetooth adapter, your smartphone can bridge the gap, allowing you to connect peripherals such as keyboards, mice, and other Bluetooth-enabled devices. Backup Connectivity: Keeping a smartphone on hand as a backup Bluetooth adapter can provide peace of mind in case your laptop’s built-in adapter fails or you need additional connectivity. Remote Desktop: Some apps allow you to use your smartphone as a remote desktop controller, making it easier to manage your laptop from a distance. File Transfer: By using a smartphone, you can easily transfer files between devices without needing a wired connection.

How to Use an Android Smartphone as a Bluetooth USB Dongle

To convert your Android smartphone into a Bluetooth USB dongle, you can use the Termux: Terminal Emulator app or Termux: API app. These apps allow you to install and run Linux commands on your Android device, enabling you to pair it with your laptop and use it as a Bluetooth USB dongle. Here’s a step-by-step guide:

Download and Install Termux App: On your Android device, visit the Google Play Store and download the Termux app. Find the latest version, and install it on your smartphone. Open Termux: Launch the Termux app and ensure that your smartphone is connected to the same Wi-Fi network as your laptop. Enable Termux Advanced Options: Go to Settings > Advanced Options within the Termux app and enable the Root Access (if you have a rooted device) and Unoval options. This will allow you to run more advanced Linux commands. Install Bluetooth Libraries: In Termux, run the following commands to install the necessary Bluetooth libraries:

pkg update
pkg upgrade
pkg install ghc
curl  -s | sh
stack install termux-usb

Install Bluetooth Libraries in Termux Pair Your Smartphone with Your Laptop: On your laptop, open the Bluetooth settings and search for Bluetooth devices. If your smartphone is not visible, try restarting both devices and ensure the Termux Bluetooth service is running by typing usbd run in the Termux terminal. Connect Peripherals: Once paired, you can connect various Bluetooth devices to your laptop through your smartphone. You may need to install additional drivers for specific devices.

Benefits and Considerations

Using your smartphone as a Bluetooth USB dongle offers several benefits, but it’s essential to consider a few points before setting up:

Power Consumption: Running Bluetooth services on your smartphone can drain the battery faster than usual. Ensure your smartphone has a sufficient battery level or consider using a power bank. Security: