I need a passcode for my bluetooth headset dpy9015441. When I pair my sony ericsson z610i with the headset the phone asks for a passcode

Phone: Turn on Bluetooth and Bluetooth visibility. Keep it close to the headset (20 cm).2. Headset: Switch it off. Press and hold down the on/off key until the pairing icon appears on the display.3. Phone: If your phone supports auto pairing, press YES when Add device? appears to complete the procedure. If not, continue with the next step.4. Phone: Follow the applicable User guide to pair with a Bluetooth headset. You may need to enter a headset passcode (0000).

"First, turn on Bluetooth and Bluetooth visibility in your phone. This makes your phone visible to other Bluetooth devices.

Headset instructions:

1. Make sure that the headset is fully charged, turned off and within 1 m (3 ft) of the phone.
2. Press and hold the On/Off button for at least five seconds, until you hear along high frequent beep and the light flashes red and green.
3. The headset is now in pairing mode.
4. If your phone supports auto pairing, press Yes when the question "Add device?" appears in your phone. If not, continue with the next step.
5. Prepare your phone according to the phone instructions on how to add a Bluetooth device. Please note that for some phones you may need to enter a passcode. The headset passcode is 0000.

Phone instructions (NB: these may differ a little depending on phone model. For exact instructions, see Pairing instructions for the specific headset and phone model on www.sonyericsson.com/support.):

1. Enter the main menu and go to Settings, then select the Connectivity tab.
2. Select Bluetooth > My devices.
3. When New device appears, press ""Add"".
4. The phone starts searching for devices. Make sure that the headset is in pairing mode.
5. When the headset becomes visible in the Devices found menu, highlight it and press ""Select"".
6. Enter the Passkey (0000 by default) and press ""OK"".

The headset is now added to the list of paired devices and is ready to use."

Headset-

1. Make sure the headset is fully charged, turned off and within 1 m (3 ft) of the phone.
2. Press and hold the On/Off button for at least five seconds, until you hear a long high-pitched beep and the light flashes red and green. The headset is now in pairing mode.
3. If your phone supports auto pairing, press "Yes" when the question Add device? appears in your phone. If it doesn't, continue with the next step.
4. Prepare your phone in accordance with the phone instructions for adding a Bluetooth device. Please note that for some phones you may need to enter a passcode. The headset passcode is 0000.


X10-

1. From the Home screen, tap the applications bar.
2. Tap Settings > Wireless controls > Bluetooth settings.
3. Mark the Bluetooth check box.
4. The phone starts to search for the device. Make sure that the device is in pairing mode. If needed, tap Scan for devices.
5. When the device becomes visible in the Bluetooth devices found list, tap to select it.
6. If needed, tap the text bar to enter the passcode (0000 by default) and tap OK.
7. You can now start using the paired Bluetooth device. The status of the pairing and connection is shown below the name of the Bluetooth device in the Bluetooth devices list.


Good Luck!

For soft reset type *#7780# For hard reset type *#7370# and if it ask passcode enter the passcode as 12345 as default.Please backup all your data if you performing hard reset because hard reset deletes all data on your phone like contacts,messages,music,videos and photos

Accessory instructions: VH300 Before you can use your Bluetooth

Be sure the the headset in in 'Pairing' mode.
When in pairing mode, the light should be flashing red and blue or have a steady blue.
The put most headsets in pairing mode, turn headset OFF, then hold the power button until it goes into pairing mode as discribed above.
Then you can discover it with your phone or PC. Pin (pass key) should be 0000 (4 Zeros) or try 1111, 1234, 9999

pass code 1234

1. Make sure headset is off.
2. Press and hold the answer button until the light flashes green and red.
3. If it only flashes green, press and hold both volume buttons until the light flashes red and green. 
4. It is now ready to pair: follow the instructions in the bluetooth menu of your phone. When asked for the passcode enter 0000. 
5. All done.
   

well make sure that your phones' bT is visible then have the phone search for your BT headset when it ask for the code enter 0000....now it should be paired and you are good to go and use you headset.

1) Make sure headset is off. 2) Press and hold the answer button until the light flashes green and red. 3) If it only flashes green, press and hold both volume buttons until the light lashes red and green. 4) It is now ready to pair: follow the instructions in the bluetooth menu of your phone. When asked for the passcode enter 0000. 5) All done.