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Home > How To > How to turn on OTG of Android mobile phone?
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How to turn on OTG of Android mobile phone?

How to turn on OTG of Android mobile phone?

By  Linky Johnson 2018-11-30 93094 13

OTG (ON THE GO) functionality was originally supported by the bottom of Android mobile phones (Android 4.2 or above), but for various reasons, some manufacturers shielded the OTG functionality. So how can mobile phones without OTG function turn on OTG function? There are two ways for reference.

Android phones connecting to USB peripherals 

OTG makes it possible for Android phones to connect to USB peripherals such as U-disk, card reader, keyboard, mouse and so on. At the same time, it also makes it as convenient for us to operate mobile phones as computers. After connecting the mobile phone with the U disk through OTG data line, open the file manager of the mobile phone, then the mobile phone and the U disk can carry out data transmission.

1. Turning on OTG by adding code to the bottom of Android system

Most mobile phone manufacturers disable the OTG function by deleting the OTG code, which can be turned on by adding the support code to the system.

Step 1: To get root privileges for the Android phone;

Step 2: Install root explorer file management software;

Step 3: Open Root Explorer Manager, open system / etc / vold.fstab system file with text editor, write the following code to the file, save and quit and restart the phone to open the OTG function.

open system / etc 

2. Installing OTG assistant software to make the Android phone have OTG function

Step 1: To get root privileges for the phone;

Step 2: Install and open OTG assistant APP, connect U disk or store hard disk through OTG data line;

Step 3: Click mount to use OTG function to read the contents of USB storage peripherals.

read the contents of USB storage peripherals 

Step 4: By installing Root Explorer File Manager, you can find the U disk connected to OTG. File path: root directory / storage / UsbOtgDrives.

storage / UsbOtgDrives 

Opening OTG in this way does not support connecting keyboard and mouse.


These two methods of opening OTG function need to ROOT the mobile phone, and get the highest privilege. Please operate with caution. Therefore, it is suggested that before operation, it should be clear whether the mobile phone has OTG function.


 You may also want to read:
 What is OTG (USB on-the-go)?
 What is OTA and the pros & cons of OTA upgrade?
 Use your smartphone as a mouse, touchpad or keyboard



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