How to use HTC Mozart-7 as USB drive

(Source: Discussion on xda-developers forum)

I found the steps of using HTC Mozart-7 as USB device on the above link.

  1. Open Windows Registry Editor by typing regedit in your start menu
  2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB
  3. Perform a search for ZuneDriver
  4. The search should yield a result similar to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\U SB\VID_045E&PID_04EC&MI_00\6&27ffd631&0&0000\Device Parameters\WUDF
  5.  Click up one level to the Device Parameters key
  6. Change ShowInShell from 0 to 1
  7. Change PortableDeviceNameSpaceExcludeFromShell from 1 to 0
  8. Change EnableLegacySupport from 0 to 1
  9. Change EnableDefaultAutoPlaySupport

After following, the above steps, I was seeing two icons for Windows phone in Windows explorer but when I clicked on either of them, I saw 0 items. Then, reading through the complete discussion on the link above, I found the further instructions to follow to make it work.

Under Device Parameters, you should see two sub-folders: one is called WUDF and the other is ZuneDriver.

  1. Under WUDF, you will find a key called Exclusive – change the value of this key from 1 to 0.
  2. Under ZuneDriver, you will find a key called UseWpdPrivateInterface – change the value of this key from 1 to 0, as well.

Now you should see only one occurrence of your Windows Phone in the Portable Devices section.Don’t forget to close the Zune software if it opens when you connect your phone.

After following these instructions, I was able to use my phone as USB drive successfully.

(Epilogue: Now-a-days, most of the sites promote the initiative ‘Go Green’ in which they ask you not to waste paper by taking printouts and use e-copy or SMS instead. IRCTC(Indian Railways Booking System) also offer this facility now where you could show the electronic copy of ticket or the confirmation SMS sent by them. However, since the IRCTC site was so slow that I was not able to book tickets directly on it, I booked my tickets via Cleartrip site. But SMS sent by Cleartrip just contained date of journey and PNR number but not my name. So, I decided to install Adobe Reader application on HTC 7 Mozart and then copy the e-copy to my HTC Mozart-7 phone. The phone gets connected to PC via Zune software but I didn’t see phone as a USB device in windows explorer. After following the instructions, I was able to copy the files to phone but I was not able to locate those files on phone. So, all this effort of configuring the phone to be used as USB device didn’t solve my issue. Then, I found a workaround by sending the e-copies as email to self and then downloading the e-copies on phone. These files were then easily located using the Adobe Reader application on phone.
Phew! So much for Go Green! 🙂 )

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