What is USB OTG? Top 5 Uses of OTG.

USB On-The-Go (OTG) is a specification first used in late 2001 that allows USB devices, such as tablets or smartphones, to act as a host, allowing other USB devices, such as USB flash drives, digital cameras, mice or keyboards, to be attached to them. It is a standardized specification that allows a device to read data from a USB device without requiring a PC. The device basically becomes a USB host, which isn’t an ability every gadget has. You can do a lot with this, For example, you might connect a USB flash drive to your phone, or use a video game controller with an Android device.

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USB OTG Dongle
USB OTG Dongle


1. Charge Other Smartphones

Believe this or not, you can actually transfer the battery charge of one smartphone to another using an OTG cable. Simply connect two phones- one with the dongle and another with power cable. The smartphone connected via power cable will go in charging mode and the phone connected with the OTG adapter will be the power source.

2. Use a Mouse or Keyboard

A cool functionality you can add to your smartphone is to make use of USB mouse or USB keyboard. Typing on a touch screen might not a feasible option for many. Simply attach a USB keyboard to your phone using OTG adapter and enjoy the work. Likewise, use a USB mouse to navigate the smartphone and add efficiency to your daily tasks.

Keyboard connected to phone with OTG
Keyboard connected to the phone with OTG

3. Connect camera

Copying images from a digital camera or DSLR is really a tedious job. You have to connect a camera and phone to a computer and then perform a copy-paste job. You can connect your camera directly to your smartphone using OTG cable.

Camera connected to phone with OTG
Camera connected to phone with OTG


4. Print directly from your smartphone

The normal printing process requires a computer to give prints. You have to transfer the files and documents to the PC and then print them. But not anymore. Connect the printer to your phone using an adaptor cable. Install the Print-Share app on your phone and it will automatically pick up the latest drivers for your USB printers. A simple tap on the print option on the app and it’s done.

Printer connected to phone with OTG
A printer connected to phone with OTG

5.  Use Musical Instruments

You can compose your own music on smartphones. Musical instruments can be connected usually with Computers via MIDI standard. Using OTG cable, you can connect your MIDI controllers to your smartphone via USB. To use the MIDI controllers properly, you will require downloading some applications like Touch-DAW and you are ready to be the next Beethoven.

These are some of the best functions you can perform with your smartphone with this cable.

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