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in K3770 3g stick i need to disable the cdrom device emulation

villasg
2: Seeker
2: Seeker

Hello .

Today i receive my new 3g stick K3770  from local vodafone .

I have a 10.2 inch tablet ( china made ) with android 2.3 and support 3G.

I want to use my stick with this  but

In order to work the K3770 need to disable the cdrom device emulation on the 3g stick .

I ask you for the AT commands to use from HYPERTERMINAL  to disable the virtual CD-ROM drive completely .

I want to be the status = "device-only modem"

Can you provide me the correct AT commands ?

10 REPLIES 10

Retired-James
Moderator (Retired)
Moderator (Retired)

Hi villasg,

 

Many thanks for your post here.

 

Firstly I can see that you mention that the tablet has 3G connectivity which will usually mean that there would be a SIM card slot in the tablet for you to place the modem SIM in to allow you to connect using the manual dial up command AT+CGDCONT=1,”IP”,”internet” and use the username and password web.

 

However if this doesn’t work and you still wish to use the actual modem connected via USB, I’ve done a little digging around for you and the only thing I can seem to find is the following.

 

  1. Load the HYPERTERMINAL,
  2. In the "Connection Description" write any name, say "Huawei", and press ENTER.
  3. In his latest column "Connect using" to select "HUAWEI Mobile Connect - 3G Modem" and click OK.
  4. Next after that a window with a phone number and other parameters need to just close by pressing the "Cancel".
  5. Now on the toolbar of the program, press "Properties"
  6. Select the tab “Options”
  7. Click "Options ASCII"
  8. Put a tick in "Show input characters on the screen."
  9. Click OK twice
  10. Turn on CAPS LOCK and print command AT. Press ENTER. Comes the answer: OK. Means connected to the modem is installed. Introduce one of the following:
    AT ^ U2DIAG = 0 (device-only modem)
    AT ^ U2DIAG = 1 (the device as a modem + CD-ROM)
    AT ^ U2DIAG = 255 (the device as a modem + CD-ROM + Card Reader)
    AT ^ U2DIAG = 256 (the device as a modem + Card Reader).
  11. Close the window Hyper Terminal, answering "Yes" to the proposal to interrupt a session and refusing to stay connected.
  12. Make sure that emulation CD-ROM is disabled. To do this, disconnect the modem from the USB port and then connected in the same port. In "My Computer" should not appear "new" CD-ROM - only those that actually are.
    If they need to return the modem to its original state, you must repeat the entire procedure, but with the team AT ^ U2DIAG = 255 (the device as a modem + CD-ROM + Card Reader).

 

Unfortunately this is not a Vodafone process so we can not guarantee that it will work however, if you feel comfortable trying this, please let me know how you get on.

 

 

James

 

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Hello, This standart process doesn't work for k3770. CD-ROM disable code (0 -1-255-256-etc.) returns as error. Is there any other way to.disable cdrom.

Retired-Wayne
Moderator (Retired)
Moderator (Retired)

Hi mcabar and welcome to the eForum

 

What is the error that you get? This may help us in understanding why this isn’t working.

 

Thanks

 

Wayne

Hi Wayne,

 

On hyperterminal, AT ^ U2DIAG = 0 command or any AT ^ U2DIAG  commands return as "ERROR"

ATI , ATX commands works but AT ^ U2DIAG command doesn't. 

 

Thanks For Your Help

 


Retired-Wayne
Moderator (Retired)
Moderator (Retired)

Hi mcabar,

 

I’m sorry that this isn’t working. I can’t find any more information on what to try other than what has been suggested by James.

 

At this point you will need to speak to an independent I.T. specialist for further help with this or, wait for one of our eForum members to come along with some suggestions.

 

Thanks

 

Wayne

It's possible that the device does not support the particular AT command here.

 

If this is for Android, you could see whether there is an equivalent to usb-modeswitch, to do this?

 

 

Neil

thanks Neil, 

But i could'nt understand the "usb-modeswitch". i'm sorry i am rookie on android :Smiling:

is it an application?

 

my android tablet has ICS 4.0.3 custom ROM,

and my other android tablet HTC Flyer has 3.2.1 ROM

 


Neil_Brown
14: Advanced member
14: Advanced member

You could take a look at this, for example, but, if you are a rookie, you'd need to want to get your hands a bit dirty, and understand a bit about the kernel (including adding new drivers, if they are not there by default), RILs and the like...

 

Chances are, you'd be better off with a mobile Wi-Fi device!

Neil

tanuj
1: Seeker
hello sir this is tanuj
i have purchased an iball islide i7011
for accessing internet ,i went to 3g settings den saw the option of vodafone k3770.
therefore as a result i purchased the vodafone modem .
on inserting it i didnt work nor the internet connection was made..
they said that its not compactible..(how would i know that).iball  team has not issued any update or anything to remove it from the list.
as a result i wasted my money and those vodafone guys are not ready to take it back
IF THE MODEM IS not supported then why is it in the list.
not all people have access to net and check out the products
as a costumer i relied on the 3g options .i thought if the name is there that means it is supported..
i have been bugged n wasted my money.etc .
pls give me a solution
pls look into this issue as fast as possible 
I HAVE A IBALL ISLIDE I7011 TABLET.