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Phone connection dropping

188 posts
Thanks Meter: 9
By jchap2k, Senior Member on 21st April 2007, 03:31 PM
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29th April 2007, 07:35 PM |#11  
Matterhorn's Avatar
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Originally Posted by Flipside

As far as I have found out, the problem has to do with 3G, the 3G hasn't got coverage everywhere ( at least here in DK ) and when the phone switches, it sometimes lose connection for a couple of seconds. Switching off the umts did the trick for me, no more hang-ups or lost connex, but then again, no more video-calls or streaming, so it's a choice... :/
Hope the next update will fix this, if there is a next one... P

There is a known problem with many service providers and HSDPA. If you have the phone on automatic while in 3G mode, when your phone connects to data the phone will switch to HSDPA just for the data transmission (if your provider supports it), during the transmission calls are not received and usually sent to voicemail. This doesn't happen with all providers, but it does with many of them. You can turn off just the HSDPA and not the 3G with this tweak program On my phone I have no problems with normal 3G, it is just HSDPA that is the problem.
30th April 2007, 02:55 AM |#12  
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Thanks Meter: 9
Hmm, I already tried that program but I still had the same problem even after turning off the HSDPA only. It never happens when UMTS is off completely though. I figure when I want to use the internet I will turn UMTS back on and when I just need it as a phone I can turn it off.
30th April 2007, 10:02 AM |#13  
Junior Member
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Sorry folks, dumb question: where can I turn off UMTS in my trinity and only have EDGE enabled?

Thanks for your help...

mfg OK
30th April 2007, 01:13 PM |#14  
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Flag Saffron Walden, Essex
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Press the green button to start the phone, then Menu/Options. Select the 'Band' tab and change the upper box to GSM.

Leave the lower box at 'Auto'
3rd May 2007, 05:56 PM |#15  
Junior Member
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Originally Posted by jchap2k

Well, so far no more dropped calls after turning off UMTS. I wonder if a new SIMs card would help in this matter. (mine is only 1 year old though).

I replaced with a new Cingular/ATT 3G sim and still the same problem... I'm going to also try to turn off UMTS to see if this fixes it... mostly I notice when calling voicemail from the notification tab... Oh yeah, it now says ATT as my service...
11th June 2007, 02:24 PM |#16  
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I have this problem, on the Orange and T-Mobile network, with WM5, and WM6. Have the latest radio, the works.

Bit of a joke that this happens to be honest.. a phone that has 3G/UMTS but that won't allow a certain number of calls when it switches. Pretty fundemental flaw if you ask me!

I've set band to GSM, let's see if it fixes the problem. Will download the aforementioned hack this evening.
11th June 2007, 02:47 PM |#17  
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Ah, I see it's the operators problem, not the phone's. Flipping amateur of orange not rectify this before shipping..

I've used HTweakC to disable HPSABCD(sic) and will see if the problem stops.
14th June 2007, 09:43 PM |#18  
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Not a SIMcard problem
HI Guys!

I work in a Mobilephoneshop for a Network Provider, and i had the same problem.

The first trinity that arrived in the shop was mine :)
And this little bas... droped many calls.

I talked with the tecnics from my prov. first we changed the sim, but same problem. Reflashed Rom same problem.
It has something to do with teh HSDPA, evrytime my trinity connectet them, the calls was dropped, the bad thing was, we have a HSDPA antenna in teh shop

Only the change of the devise worked.

Hope was helpfull and sorry 4 my bad english!

15th June 2007, 09:13 AM |#19  
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See above, use HTweakC to disable HSDPA, but leave 3G enabled.
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