[Q] Problem with usb otg... - Galaxy Note II Q&A, Help & Troubleshooting

Hello i have a usb otg, when i insert it on the phone it says usb connector xonnected but when i insert a device it seems that it can not be recognised by the phone. Only when i put a usb stick it opened the folder for like 2 or 3 seconds and then it dosconnected. I am rooted with stock rom 4.1.2 using perseus kernel...

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phone not seen by laptop via usb

Could someone help me on this issue. When i connect my phone via usb to my laptop and on other different laptops/computers i've tried so far, it only charges the phone without mounting sd card or allowing data transfer. I'm using an O2 branded stock htc desire running on froyo. i want to root my phone and install install a custom rom. i don't know how or if possible to make a goldcard without using a usb connection cable to a laptop/pc and for the other processes of rooting and installing a custom rom.
I took it for repairs and a new port was put in and still same problem persists.
You know that you have to manually select mount sd. Also have you tried to connect it via adb, not to transfer files but to see if i usb connection works?
Sent from my HTC Desire using XDA App
For the adb connection, I think this will require USB cable connection or it's there a way to do this without USB cable connection.
Sent from my HTC Desire using XDA App
scorror said:
Could someone help me on this issue. When i connect my phone via usb to my laptop and on other different laptops/computers i've tried so far, it only charges the phone without mounting sd card or allowing data transfer. I'm using an O2 branded stock htc desire running on froyo. i want to root my phone and install install a custom rom. i don't know how or if possible to make a goldcard without using a usb connection cable to a laptop/pc and for the other processes of rooting and installing a custom rom.
I took it for repairs and a new port was put in and still same problem persists.
Click to expand...
Click to collapse
Once you plug in your USB cable, you have to pull the top bar down and manually select to use it as a usb 'disk'...only then will you be able to load it with custom ROM.
As for rooting, I think you need to enable USB debugging for the UnRevoked method....
Evil_Cid said:
Once you plug in your USB cable, you have to pull the top bar down and manually select to use it as a usb 'disk'...only then will you be able to load it with custom ROM.
As for rooting, I think you need to enable USB debugging for the UnRevoked method....
Click to expand...
Click to collapse
when i select it to use as usb disk, the laptop doesn't see it, same for usb debugging.
i tried using a usb hub with four ports to connect my phone to the laptop, the message i get is that '' this usb device is not recognised''. Pls why that message
Any help on this issue. I've been reading on usb brick phones and how to unbrick it. The problem is even when phone is connected via usb in fastboot mode, it still say device is not recognised. i was trying to get the CID number of the phone. i've never rooted or flash a custom rom yet. i started experiencing this when the phone fell on a concrete floor. i don't know if this is hardware related problem or software related.

[HOW-TO] Enable OTG(USB HOST) on Galaxy SII

So after painstakingly searching around for an answer on how to get OTG working on the galaxy s2 running a custom ROM and Kernal with little to no help i finally figured it out:
You will need:
OTG Cable ( Micro USB Host cable) (store bough or home made work, i followed this link: http://highonandroid.com/android-howtos/how-to-make-otg-usb-host-cable-for-galaxy-s2-or-xoom/ )
A Kernel that supports OTG ( I'm using { and could only find } http://www.gokhanmoral.com/gm/2012/05/06/siyahkernel-v3-2rc1/ , there is an update to this kernal , but i have not tested the OTG support yet (May/7)
And last but not least, USB Host Controller APP : https://play.google.com/store/apps/details?id=hu.sztupy.android.usbhostcontroller&hl=en
Procedures :
1. Install the kernel by flashing it through CWM
2.Install USB Host Controller App
3. Restart phone
4. plug in usb device into OTG cable
5. Plug in OTG Cable to phone
6. TADAA
if you have any questions feel free to PM me or post a reply...
i had to change the steps from the link to make the OTG cable to make it work!!!
Homemade Cable Troubleshoot:
my cable was a samsung USB U2 cable, i dont know if this makes the biggest difference. but you want to short ( connect) pins 4 and 5.. one of the 2 solder points is the black wire from the usb cable ( ground) and if yours doesnt work with the pin he says to use, you can try plugging in a usb device into the cable and have the wire connected to the ground and simply probe the other pins until you find the pin that works! ( DO NOT CONNECT BLACK AND RED I REPEAT DO NOT SHORT BLACK AND RED, YOU WILL FRY YOU PHONE AND I TAKE NO RESPONSIBILITY FOR THIS, THIS IS YOUR WARNING!!!)
This kernel can work with Galaxy s2 duos tv gt-s7273T ?
I,m trying enable the OTG to my s2 gt-s7273T
This is possible? Using Jelly Bean 4.2.2 stock rooted
With busybox installed .
Please if possible help me
WOW! I have a faulty micro sd card so I could only backup to internal storage. Saw your post which reminded me I have an OTG cable that I use for my Note 4, I'm using CM11 and "hey presto!" CM11 recognizes external USB, no apps needed, I could/can make backups, Love my CM11
Glad I saw your post, Many Thanks, and Kind Regards!!

[Q] Unroot without USB cable?

Hey,
May I unroot HOX without USB? I actually have USB but something went wrong with pins so phone can just charge. After connecting to PC phone doesn't indicate anything, it just charges. Computers says that it found any USB device which couldn't be recognized. I have all drivers. Yesterday everything worked well. Tried another cable and computer. HTC Sync also doesn't see phone.
Now I'm using CM 10.2. Phone base is 3.14.401.31, CID__032.
When I had Desire I unrooted it just by flashing zip file via bootloader from SD card. Now I did't find similar option
Edit - I tried to put some ethanol to pins and now phone indicates USB, computer recognizes phone but just for 5 seconds. After that it again writes unknown USB device.

[Q] Pc wont recognize device

I'm using aokp rom , when I plug my device into my PC it will charge but nothing else.
I've tried different USB cables and different USB ports any suggestions
I use Carbon Rom, but you can see if this works:
Go to Settings-> Storage
Click on the dots on the top right
Choose USB Computer Connection
Check off MTP
Had this problem myself, and doing a search I found this solution worked for me.
------
Also make sure if you have a kernel that supports USB Fast Charge that you disable fast charge before connecting the cable.
Similar-ish problem
Removed - moved to http://forum.xda-developers.com/showthread.php?t=2380721&page=8

[Q] USB OTG No longer works

Today I first used an OTG adapter, after last week OTA update, but to my surprise it no longer works.
I've tried with a couple of different adpaters, with mouse and USB drive that previously worked, but neither one works now.
Can anyone confirm? I'm on stock 2.20.40.58, bootloader locked, no root.
EDIT: Now it seems that my phone isn't even recognized in my PC ( I'm at work at the moment, and I used a couple of generics microUSB cables, with the same results ), only charging works fine. Did something broke? Or it is just me
I'm on the same firmware version and I can confirm that USB OTG works. Also the phone and external memory card are detected when a USB cable is plugged. in(tried 2-3 generic cables as well as the ASUS cable). You may want to update your USB drivers for the PC to see if the phone gets recognised.
N15H4NT said:
I'm on the same firmware version and I can confirm that USB OTG works. Also the phone and external memory card are detected when a USB cable is plugged. in(tried 2-3 generic cables as well as the ASUS cable). You may want to update your USB drivers for the PC to see if the phone gets recognised.
Click to expand...
Click to collapse
Thank you, now I'll check it more thoroughly when I get home.
I've managed to replace the USB board, and now OTG USB is working back, the phone is recognized on PC, but says "Device descriptor request failed" (I've tried with W10 on two different PCs, same results). A thread in ZenTalk mentions the issue in a Zenfone 5, but did all with no resukts

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