I found the Registry "Enhancement" that let me manually pick my service and frequency. I now have a real phone again. I do not understand why Cingular turned off that feature. HTC should also look into why their Auto setting did not fall back correctly.

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Brazillian travel hack
By: GaryMiyakawa, Mar 11 2007, 11:48 PM EDT

Hope this will help some of you out if you are going to Brazil or Australia.

Just got into Sao Paulo with my shinny new 8525 and nuttin worked... So, Like a good little customer, I called Cingular's International desk. Well, the nice lady there said they are having trouble with all their PDAs in Brazil and Austrailia.. Boy, isn't that the truth. Well I persisted and informed the lady there were a number of threads on google talking about a fix for it.. and it was the phones problem...

Welp, she must have believed me because she put me in touch with someone from Tech Support (Recardo I believe). She explained the situation to him and he, too, found the threads about the problems. He told me this is the first time "he" had heard about it but also took it to his manager. At that point he called HTC so the three of us could talk about it. Again, the person from HTC didn't believe it and said I must have had a bad phone..

The gentleman from Tech Support was really very supportive of me but they could not come up with a solution to my problem. This was a 1.5 hour phone call (oh yeah)... With no resolution.

Well, I got back to the hotel tonight and started playing with it again... I downloaded PHM Registry Editor and did a FIND on "PhoneSetting". I then did a Binary Modify... At that point, you need to change the data from "00 00 00 00" to "01 00 00 00". Click on Done and then go to your phone settings... you SHOULD see "Band" right after network. You may need to reboot to get it.

From there, click on Band. I had to click on "GSM" in the network type and then select "GSM(900+1800)+UMTS(2100). Then I clicked "ok". from there, it took about 1-2 minutes for the phone to register and it was immediately usable!

Thanks to ALL the folks at xda-developers.com that helped find this and I DO think that Cingular and HTC will be looking at this to figure out what's the issue. (we all can guess)..

Thank to Recardo @ Cingular too for his pushing the issue with HTC

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fursty898

8525 International roaming very poor

Feb 2 2007, 6:00 PM EST by fursty898

Thread started: Feb 2 2007, 6:00 PM EST Watch

The 8525 has a large flaw that can wipe you out when you are out of the US. The phone does not fall back to GPRS correctly if the 3G environment you are in is not up to snuff (BTW - make sure you have an old GPRS phone if you are traveling in Brazil so you can switch your Sim card to a phone that will work). I was told by Cingular that the phone radio scanning logic is flawed and due to some "test" 3G networks down here you can forget using your phone. Cingular is not much help either - all of the people are very nice, but every trouble call I have put in has come back "resolved" in a couple of hours with no resolution and no one can tell me why they keep closing out my support calls. I guess someone does not want their support handliong statistics to look bad.

I can't wait to get my old reliable Treo 650 back when I get back to the states.

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