Still can't get USB OTG to work? Here's how I did it.

577 posts
Thanks Meter: 310
By d.casper.b, Senior Member on 20th February 2014, 10:12 PM
Post Reply Subscribe to Thread Email Thread
If you have not been able to get your RAZR to read a flash/pen drive, here's how I did it.
I only got a OTG Host cable about 2 months ago, and only just got it working.

You will need the following:
USB OTG Host cable
USB Y cable (or whatever it's called - at least that's what I used)
A rooted phone (I am using the GSM Razr Maxx XT910 on CM11-nightly)
USB OTG Helper (Play store)
USB Host Controller (Play store)
Script Manager - Smanager (Play store)

Install all apps and extract attached script and copy the file (ThumbDrive.PreMount) onto your phone/sd-card memory.
(Note apps must be granted superuser permissions)

1. Connect your charger to power and connect your phone.

(Before we can begin, we must first find where the drive is. Open USB Host Controller, and under settings make "Dmesg display mode" continuous". Under the USB tab, look at the log at the bottom and you should see something about the device being rejected due to insufficient power or something like that. Mine is 3-1, your's will probably also be, but if it's not 3-1, you will need to change the script accordingly with a text editor.)

2. USB OTG Helper may give you a popup, just click cancel.

3. Now in Smanager, run the script you copied onto your phone. You must run it as a script, and give it SU permission. Just click the home key after you've run the script.

4.1 Now open USB OTG Helper and click mount.
4.2 You'll probably get an error, but you can ignore this.

5. Your drive should be mounted. Look for it under /storage/UsbOtgDrives/drive_1 (I use Solid Explorer as my file manager and it even added some shortcuts on the left - but not initially though).

You will have to do this everytime you plug a device in, but it's very quick once you know what to do.

I'm just putting this out there because I know it's a function many have not got working. I know there's already a lot of resources on this topic, but frankly they never really helped me. This thread guided me in the right direction though:

Kind regards
Attached Thumbnails
Click image for larger version

Name:	1.Cabling.jpg
Views:	368
Size:	80.8 KB
ID:	2591226   Click image for larger version

Name:	2.USB OTG Helper popup.png
Views:	306
Size:	243.4 KB
ID:	2591227   Click image for larger version

Name:	3.Smanager script launch.png
Views:	299
Size:	74.8 KB
ID:	2591228   Click image for larger version

Name:	4.1.Screenshot_2014-02-20-23-12-55.png
Views:	252
Size:	77.9 KB
ID:	2591229   Click image for larger version

Name:	4.2.USB OTG Helper has stopped.jpg
Views:	219
Size:	40.2 KB
ID:	2591230   Click image for larger version

Name:	5.Screenshot_2014-02-20-23-13-56.png
Views:	211
Size:	141.2 KB
ID:	2591231  
Attached Files
File Type: zip - [Click for QR Code] (247 Bytes, 135 views)
Last edited by d.casper.b; 20th February 2014 at 10:21 PM.
The Following 2 Users Say Thank You to d.casper.b For This Useful Post: [ View ]
Post Reply Subscribe to Thread

Guest Quick Reply (no urls or BBcode)
Previous Thread Next Thread
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes