By Achilles Hill | Last Updated
With the development of technology, it is widespread that mobiles support OTG. However, fewer users found that their phone cannot recognize OTG at all. Why does it come to the abnormality? Here are two reasons:
Worry not, whatever the reason is, it will be fine for us to address the issue. See below for two parts to enable OTG support on an Android phone.
When your smartphone is short of a five volts boost module, it cannot provide power for external devices. All devices you want to connect to Android, need power provide. Now, check whether your Android has the five volts boost module.
Step 1: Insert OTG cable to your Android phone then connect another mobile with a data line to the OTG cable.
Step 2: See if your Android phone charges for another smartphone or not. If not, you can buy an OTG cable with five volts power to address the issue.
Some manufacturers may disable OTG in the system to save power of your phone. As to such situation, you have to root your Android phone then modify the code. Let's go and try to enable OTG support on an Android phone.
Step 1: Download an app to root your Android phone to access permission of the administrator.
Note: If your Android phone was never rooted before, you'd better not to root it.
Step 2: After finishing rooting, download and install the Root Explorer to manage your files.
Step 3: Open Root Explorer and navigate to systemetcvold.fstab.
Step 4: Click on the top-right corner to change the read-only to read-write.
Step 5: Touch and hold the vold.fstab file, choose to open with text editor.
Step 6: Go to the end of the code, leave a blank line then copy and paste the following codes behind.
# usb otg disk
dev_mount usbotg /mnt/usbotg auto /devices/platform/mt_usb
/devices/platform/musbfsh_hdrc
Step 7: Save and exit the code. Restart your Android phone and insert OTG cable and USB, you will find the USB and make any changes to it.
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