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< Esato Forum Index > Sony Ericsson / Sony > Technical > Bluetooth serial port connection unavailable on K750i w/ R1BC002 Bookmark topic

I used to have the bluetooth serial port connection with all the previous firmware versions, but after update to R1BC002, the serial port option is missing on the list of services that the phone has.

Has anyone else experienced the same problem?
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Posted: 2006-03-19 09:53:28
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Quote:
On 2006-03-19 09:53:28, rambalu80 wrote:
I used to have the bluetooth serial port connection with all the previous firmware versions, but after update to R1BC002, the serial port option is missing on the list of services that the phone has.

Has anyone else experienced the same problem?

My bluetooth serial port working fine. Currently using it to copy files using MPE
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Posted: 2006-03-19 23:01:44
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I also have at Bluetooth problem after installing R1BC002. My connection to my original Audi Bluetooth car kit, does not send the sound to the car loudspeekers. It keeps sending the sound til the phone. Before i got at chois (phone/car), but now it is the phone everytime. If I try to send the sound direktly to the car, I got at Bluetooth falior. I have tryed whit my k700 at it works perfekt. Dos enyone have that problem?
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Posted: 2006-03-19 23:28:39
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hmmm, my bluetooth is working, but it seems awefully slow compared to before.

Will do more tests and report back....

Well it does seem the serial port emulation may be slower - MPE is running at 7-8Kbps where it usually runs at 30-40Kbps. Windows XP native bluetooth is still running at the correct 40Kbps, so it does seem to be serial emulation at fault. I will confirm by testing with fma and dateimanager.

Edit: dateimanager runs at 18KB per sec. Which may be because the dateimanager seriel speed is limited to 256000kbps. FMA is still buggy with K750 and serial - only native xp connection works over bluetooth (haven't tested fma over cable). I couldn't get FMA to connect to the phone folders over serial emulation, however MPE and Dateimanager both work fine on the serial emulation (albeit MPE slower thn normal). Apart from the problems with fma, I don't seem to be having any other bluetooth problems. But I don't know why it's slower in MPE, that's a disappointment.

The next thing to test is SE's Mobile Phone Monitor.
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[ This Message was edited by: max_wedge on 2006-03-19 23:41 ]
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Posted: 2006-03-19 23:29:42
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Could the slow MPE be the reson for my connection falior in my Audi?
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Posted: 2006-03-20 08:48:25
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not directly but it does indicate some change in the way K750 establishes a serial connection. However I think the audi would use the headset profile to connect to your phone so maybe there is a headset profile issue with R1BC?
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Posted: 2006-03-20 08:51:48
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I will try to downgrade the sw version to R1AA008 visiting my serviscenter. Is there any other way to do that?
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Posted: 2006-03-20 09:36:31
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davinci is one option
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Posted: 2006-03-20 14:43:05
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My servicecenter could not downgrade my telefon so i bought a new one whit SW R1AA008 and everything workes perfect. Maybe ther is a Bluetooth isue in the R1BC002?
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Posted: 2006-03-22 09:23:02
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It's possible.
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Posted: 2006-03-23 07:25:14
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