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  1.    #1  
    Is there a way to see the "true name" of the tower with the network selection overlay? like "Cingular Wireless", "Cingular", blue tower, red tower, purple...?
    I've seen some people report that "Cingular Wireless" means AT&T tower & "Cingular" means cingular tower, but all I've been seeing is "Cingular".
  2. #2  
    Quote Originally Posted by shinew
    Is there a way to see the "true name" of the tower with the network selection overlay? like "Cingular Wireless", "Cingular", blue tower, red tower, purple...?
    I've seen some people report that "Cingular Wireless" means AT&T tower & "Cingular" means cingular tower, but all I've been seeing is "Cingular".
    Well... NO. But yes.
    There's no way to know what each of those "Cingular wireless" are unless you've connected to them. Once you've connected to on of them there's a way to find out what you're on.

    On the Treo there's a file in RAM called currentcarrier.pdb.
    If you get the program FileZ, open up the internal ram.
    Check mark currentcarrier.pdb, select Menu>Item>Edit
    You'll see a "record list" with record 0 and record 1.
    Select record 1 and select "view" or "Edit"
    You'll see the contents or record 1 which will look like "310170 Cingular". What you're viewing is the Hex code on the left side and the text interperetation of the hex code on the right side (same thing displayed 2 different ways.)

    Record 0 is the code for the network that is a the very top of the list in the SIM. It's the preferred home network. On Cingular this doesn't mean much right now because they have so many networks. In california it'll be 310-170, in other parts of the country it'll be different. On the newest 64K sims it'll be 310-340 (I think) as that's the new network code that all cingular networks will eventually be renumbered to.
    Record 0 really is irrelevant.

    Record 1 is then network you're currently on, the one that is actively selected. So select a network, then go look at this file and see what the network code is.
    In my areas (California) it's either 310-170 or 310-380.
    310-170 is Cingular (orange) as it was before the merger with AT&T. It's now T-Mobile since Cingular sold the network to T-mobile and we now roam on it (even though it's still my home network.)
    310-380 is Cingular (blue) which was AT&T before the merger. In california this will be hour home network eventually and it'll be re-numbered to 310-340 some day.

    The best way to figure these out is to just google them. There are lists out on the internet. Just google 310-170 or 310-380 or whatever is on your screen and you'll eventually find it.

    In some case people have 3 or even 5 "CIngular wireless" networks on the list. Many of them they can't register with because roaming is not allowed on those networks. I have no idea how to find out what those are if you can't select them, but this method tells you what they are if you can.

    oh yeah. You can edit the "Cingular" text in the currentcarrier.pdb record 1 and it will actually change what you see on the phone screen. But this change will be temporary. The phone will overwrite this as soon as it changes to a new network or you power cycle the phone. You can also turn off the phone, delete this file, and a new version will be re-written in it's place when you power the phone back on (if you screw it up too badly.)
    Treo 750 (AT&T)
    Treo600->Treo650->Cing8525->Blackberry 8700c->Treo750->AT&T Tilt->Treo750->iPhone 3G
  3. #3  
    Thanks! That's useful.
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  4. spiVeyx's Avatar
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    #4  
    Yeah, I was wondering the same thing when I installed the Manual Network HackůVery useful information.

    ...guess I'll be making some note items with various US GSM provider codes...
  5.    #5  
    thanks! it'll be great if someone can develop a piece of software that displays the HEX value without going through so many steps to view it though. Is it gonna be difficult?
  6. #6  
    Yeah, I've actually posted this (how to view your network with currentcarrier.pdb) on both the sim hack thread and one other, but that thread is long so who's going to page through all of that. I'm happy to re-post.

    For GSM network codes. Here are a couple of good references:
    http://www.gsmworld.com/roaming/gsminfo/cou_us.shtml (which is a great GSM info site)
    http://www.csoft.co.uk/nox8/coverage_list.pl?ISO=US
    Treo 750 (AT&T)
    Treo600->Treo650->Cing8525->Blackberry 8700c->Treo750->AT&T Tilt->Treo750->iPhone 3G
  7. #7  
    Quote Originally Posted by shinew
    thanks! it'll be great if someone can develop a piece of software that displays the HEX value without going through so many steps to view it though. Is it gonna be difficult?
    It should be very very easy to write an app to simply read this file as you suggest. You're not the only one who's asked. Unfortunately I have never written a Troe app. Every time I start working on getting the treo's SDK (already have the development software) I get so frustrated and lose the patience, it's not very stratightforward and I'm not that motivated. I don't program much these days.
    Treo 750 (AT&T)
    Treo600->Treo650->Cing8525->Blackberry 8700c->Treo750->AT&T Tilt->Treo750->iPhone 3G

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