How to connect a USB memory to a mobile phone to transfer files?

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Shane Conder
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What is a USB OTG?

Have you ever wondered what the OTG cable is for? A USB OTG or OTG (On the Go) cable is a tool used to create a USB 2.0 extension. USB OTG offers greater flexibility to devices that have USB ports when managing connections.

A USB OTG cable allows our mobile phone to act as a master to access other devices. Therefore, you can access the information contained in them quickly and easily.



How does a USB OTG work?

USB OTG works via a male microUSB connector and a female USB connector. This cable is electrically powered by the terminal (the mobile device) for optimal performance. Reason why, it is a requirement that your mobile phone supports OTG.

How to connect a USB memory to a mobile phone to transfer files?

Establish a connection between a pen drive and a mobile phone for file transfer is based on a very simple procedure similar to the process of connecting a mouse to an Android tablet. Next, we present all the steps you need to follow to achieve it.

Required materials

To connect a USB memory to a mobile phone, you need a USB OTG cable, a USB memory (with FAT32 format) and an OTG compatible Android mobile device.

Check if your mobile is OTG compatible

It is essential to know if the Android mobile is compatible with USB OTG. To do this, check your phone's OS version. It is important to remember that Android is OTG compatible from the HoneyComb version. You also need the “USB OTG Checker” app which you will find in Google Play - USB OTG Checker.



Get the USB OTG cable

If your mobile is OTG compatible, it's time to buy the USB OTG cable. This device will allow you to connect the pendrive to your mobile phone to transfer files. These types of cables have a mobile phone connector on one end and a female USB memory connector on the other.

It is important to check if the end of the USB OTG cable that will connect to your mobile device is USB's type C, i.e. microUSB. Logically, this will depend on your mobile phone connector.

Connect the USB memory to the mobile phone to transfer files

Connect the USB OTG cable to the pendrive and to the mobile phone. If the USB drive has an LED indicator, the LED will turn on to indicate that it is receiving power. On your mobile you will see the notification that a USB drive has been inserted, select it so that you can see all the files on the USB memory from the explorer.

With the file explorer of your mobile you can cut, copy and paste all the files you want to transfer from the USB memory. However, if you prefer to use a different tool to access the information on the pendrive, you can download and install the OTG Explorer App available on Google Play - OTG Explorer App.

Remove the USB stick

At the end of the file transfer process, yes recommends that you remove the USB stick correctly. For this, go to "Settings" on your mobile phone and then to "Memory and USB". Locate the USB device and select the date icon facing up.


What should I do if my mobile phone does not support OTG to connect a USB memory?

If your mobile is not OTG compatible, don't worry as there is another viable alternative. In this circumstance, you can use a tool called USB HUB. Connect this instrument to the external power source so that the USB memory can receive the power that the mobile phone will not be able to supply.


Next, connect the USB female end of the USB OTG cable to the USB HUB and the USB HUB to the USB memory. The other end of the cable (MicroUSB) will be used to connect the mobile phone. Finally, check that your device has recognized the removable drive.


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