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Sync Windows Mobile Smartphone via Bluetooth with New ActiveSync

Microsoft has released ActiveSync 4.0 and they fixed the problems associated with trying to sync a smartphone running Windows Mobile via bluetooth.

active sync

To sync via bluetooth:

1. Download the new version of ActiveSync (There is no need to first uninstall your old version. It recognizes the old version and upgrades it.)

2. Setup the bluetooth connection with ActiveSync (taken from new Active Sync help docs)

3. Make sure ActiveSync is running on your PC and from your phone select “Connect via Bluetooth”.


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  1. Damion
    May 21st, 2005 at 13:57 | #1

    I can not get activesync to work with my smt5600, I am run windows xp and outlook 2002, I keep getting a error message. can anyone help?



  2. Greg
    August 23rd, 2005 at 11:07 | #2

    This worked great! Been pulling what little hair I have out for 3 days.

    Thanks again. -Greg

  3. Thankful Newbie
    August 25th, 2005 at 13:33 | #3

    THANK YOU very much! It is pretty goofy that they include AS 3.7 with the phone, but IT WON’T WORK as you and I and others have learned after dinking around for several hours!!!! They should include a note with the phone “Hey, BT does not sync with Activesync, don’t waste your time.” But thank you for giving us the scoop, it worked EASY once I installed 4.0

    I don’t understand why it seems so difficult to get info out of Cingular or Microsoft or Audiovox.

    QUESTION: I don’t understand what services I am using when I use the internet, or mMode, or any other data services on this phone. How in the heck do I know what I will be billed? Until I see an explanation of the rates, I don’t dare use anything.
    I used IE to give me a WAP format weather page. Is this going to cost me 10 cents? 10 dollars? I bought 4MB for $8 / month or something like that, but how do I know how much I have used?

    I know, these are questions for Cingular, but they aren’t a fraction as helpful as you are!!


  4. Candi
    August 25th, 2005 at 17:14 | #4

    Thank you, thank you, thank you. I’ve had my Audiovox SMT since November and this the first resource online that WORKED, especially with the ActiveSync 4.0 link. Thank you!!

  5. Cory
    August 25th, 2005 at 17:38 | #5

    Your tutorial is excellent. However, after following the above instructions I was still unable to get my Audiovox Smartphone connected. I kept getting the error ‘Cannot connect to pc’. What finally did it was a setting in ActiveSync on the PHONE. Select options, then select advanced, and finally select Bluetooth (not usb). After I did this it worked.

  6. newbie
    August 26th, 2005 at 11:29 | #6

    Now that I can sync with bluetooth, is there a method to make it AUTO-sync like it does when I plug in the USB cable?

  7. Mahesh
    September 2nd, 2005 at 12:24 | #7

    Thanks, I struggled for hours to get ActiveSync to working before I saw this helpful note. It works great now!

  8. Stuart McDonald
    September 2nd, 2005 at 16:40 | #8

    Though this has proved informative, the only com ports that my device recognizes are six and seven, and the only ports my PC sees are in the double digits. I am still unable to set up BT sync between my PC and my device. Do you have any suggestions?

  9. Mike
    September 10th, 2005 at 01:18 | #9

    I still can’t get my SMT5600 working even with 4.0. My guess is from Candi’s post that BT is not even an option under my advanced, only use and baud speeds. I followed this to a “T” but I’m obviously missing something!

  10. Anonymous
    September 12th, 2005 at 13:05 | #10

    OK… had a glimmer of hope when I realized I had to get Activesync 4.0 (had 3.8). Followed the instructions, still “unable to connect”. Error message is “Unable to connect. Verify your dialup or proxy settings are correct, and try again.”

    ANY ideas???

  11. Anonymous
    September 17th, 2005 at 01:32 | #11


    I have the same problems with getting my Audiovox SMT 5600 to work with Bluetooth. Tried the above guides including download ActiveSync 4.0 and trying to choose BT from the Option under Advance (and no BT option is shown). I was almost ready to give up until I came across an extremely helpful guide on Modaco.com. Here is the URL (http://www.modaco.com/index.php?showtopic=119341&hl=ActiveSync+via+Bluetooth). Follow the link, download the guide, and follow the step-by-step instruction (it is very clear – make sure you don’t take any short-cuts, and you will have your phone set up to ActiveSync via BT. I worked for me – like MAGIC!!!

  12. Rajeev
    September 23rd, 2005 at 01:10 | #12

    This worked perfectly for me. I was having trouble with activesync 3.8 (the one microsoft publishes as latest I think). activesync 4.0 solved the problem. Is this a beta from microsoft or something ? I don’t see them publicising it.

  13. Scott
    October 3rd, 2005 at 13:16 | #13


    Thanks a TON! One other suggestion to add / tip: If you have had your phone connected via bluetooth before – delete the pairing before you attempt. This fixed my issue on my MPx220. Also, if you initiate the sync via your phone (which you have to) it seems that you “select” sync with bluetooth – this is actually the begin to sync with bluetooth so after it’s pushed it will begin (again assuming that prior pairings are gone… Thanks again for the link for MS ActiveSync 4.0 – it seems to be more stable then 3.7.1 or 3.8 (and it looks better too!).

  14. Orrin
    October 24th, 2005 at 08:23 | #14

    Question: does anyone else have the problem with Activesync syncing an increasing number of mail every day? (even though there’s nothing else in the inbox). Every day the number goes up….50..60…70 e-mail messages and now it’s near 200 messages and takes a few minutes to sync. Any ideas?

  15. November 4th, 2005 at 04:19 | #15


    Thanks for the Tip on the MPx220. Deleting the original pairing worked great. I simply created another, went to the active sync option and selected connect via bluetooth. Again, many many thanks…


  16. alex
    November 7th, 2005 at 18:52 | #16

    this is great its WORKING! i searched google for a last resort thanks a bunch

  17. November 10th, 2005 at 13:08 | #17

    I was expecting something more..
    Could you suggest the best way to sync all the things on my Windows Mobile to the PC (from the mobile to the PC).
    The only way I see is to write a program by myself (RAPI + MobileOutlook + many line of code). Do you know if there is a third party?
    I need to syncro MMM; SMS, Pictures, Voice notes, other files in the local file systems..


  18. madcowdog
    December 7th, 2005 at 15:14 | #18

    hmmm… this definitely helped.

    I had to

    1) delete all bluetooth devices/com-ports in the phone
    2) delete all bluetooth devices/com-ports in the pc
    3) then follow instructions (after upgrading AS, Doh!)

    hardly the PNP as hoped…

  19. rio
    December 26th, 2005 at 12:52 | #19

    hey… am trying to connect to the internet on my spv c550 through via usb cable.. can someone give me some help please………

  20. Craig Scherer
    December 29th, 2005 at 02:01 | #20

    This is a great article for correcting problems with bluetooth devices and windows xp sp2


  21. ash
    January 28th, 2006 at 15:55 | #21

    its workin fab wiht ma xda lls but activesinc 4.1 dont work with bluetooth :S

  22. aCrk
    February 3rd, 2006 at 11:44 | #22

    i ahve a C550 whenever i try to connect to my computer it says ‘cannot connect to PC. close other programs that may be using the connection and try again’

    i dnt know what to do

  23. MTBMaven
    March 1st, 2006 at 12:33 | #23

    Thanks! After many failed attemps this site got me going. Bluetooth rocks!

  24. daniel
    April 26th, 2006 at 14:08 | #24

    Cannot connect my Cingular 8125 phone/pocket pc with activesync via usb, any suggestions?

    July 21st, 2006 at 22:42 | #25

    THIS REALLY WORKS…i’ve been doing a lot of things but this WORKS.. THANKS:D

  26. Nicholas Roughan
    July 25th, 2006 at 14:51 | #26

    If you have a toshiba and would like to connect via Bluetooth, the default setting is com port 7,

  27. Kosta
    August 28th, 2006 at 01:11 | #27

    Thank You Very,Very Much!

  28. david
    September 21st, 2006 at 11:39 | #28

    I’m unable to transfer datao my cell phone bluetooth from my PC. It has nno problem with the prob but unable to send any data

  29. Fresh
    September 26th, 2006 at 11:26 | #29

    how do i synchronize my mobile with another mobile? i’ve heard thats it’s possible-so can anyone shed some light?

  30. sami
    October 17th, 2006 at 07:04 | #30

    i want to install softwares via bluetoth using active syn,,, plz send me the whol procedure ,,,i cant do anything … let me know how i can install softwares from bluetooth because i do not have data cable … plz send me as soon as possible

  31. David Lee
    October 25th, 2006 at 15:45 | #31

    Thanks for this great page.
    I’m using a motorola MPx220

    For me the trick was (as others) I had to delete and recreate the binding. This time I initiated the partnership from the device (previously I started from the desktop.)

    I’m using a IOGear bluetooth adaptor with “stock” XP/SP2 drivers …

    I played around some more after being successful and found I dont need to open a COM port at all. Using ActiveSync 4.1 it has a “Bluetooth” connection setting. so I deleted the COM7 port and tried again, perfect.

    Only thing is now I cant UNCONNECT my phone from AS without pulling out the bluetooth adaptor … oh well , not really a problem !

    (Or you can go to Connection Settings and UNcheck the box next to Bluetooth)

  32. g-man
    November 25th, 2006 at 20:56 | #32

    i cannot sync my pocket pc via bluetooth. i have been working on this for 3 weeks. sprint tech support are not helpful at all. i need to know how to establish an outgoing com port. SOMEONE HELP ME PLEASE. i am so pisssed right now, because i just cannot figure it out.

  33. Kavi
    January 10th, 2007 at 14:44 | #33

    Worked like a champ! Thanks!

  34. saa
    January 20th, 2008 at 11:24 | #34

    my MDA from Tmobile not recognized in sync center in Windows Vista. Tmobile Techs do not have a clue about what to do. I had it working before but per their instructions I deleted the partnership and now it does not work and all they give me is excuses. Someone help me cus i can’t sync my phone with my computer.
    frustrated tmobile customer.

  35. February 3rd, 2008 at 05:11 | #35

    Note: Microsoft ActiveSync works only with Windows XP SP2 or earlier. If you have Windows Vista, your synchronization settings will be managed through the Windows Mobile Device Center. Windows Mobile Device Center is available through the Website above