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01/22/2005, 10:32 AM
#1766
 Originally Posted by Daddyof3
I called the cingular number and told them I had signal issues. After troubleshooting, they asked what kind of sim card I had. Then they told me to go to any Cingular store (but make sure it is a real Cingular store or they will charge) and get it switched out. They said the programming in the old 32k sim cards likes to hold onto cell towers, so if you were driving away from a particular cell tower and another one approaches, the old card still liked to hang on to the weaker one. They added that additional programming in the 64k card allows for the phone to pick out the tower with the strongest signal.
Anyhow, they flagged my number to get a 64k sim card, so when I walked into the store, they looked up my number, and swapped it out, no questions asked. Hope that helps!
I keep reading this info about the 64K SIM online. Unless I am completely missinformed, and I would like to think of myself as being much better informed on such matters than a sales person or a cust. service rep., the information above it completely FALSE.
Daddyof3 I am not saying it's your fault... sounds like bad info was given to you.
The SIM is not an inteligent device. It can not tell the phone how to hand off or camp or anything like that. The network does that. The SIM can tell the phone what network is it's home network and what networks are the prefered networks (and in what rank). My understanding is, other than additional memory for the user, that the 64K SIM allows for the SIM to be reprogrammed over the air in a way(s) that was (were) not previously possible. For example if you are Cingular now, but have a BLUE SIM from ATT, then they would not be able to change the home network to Cingular via over the air programing. I can see some people thinking "good, Cingular's coverage sucks here I want to stay on ATT". True, but there is currently no reason to switch you anyway, so they wouldn't need to. On the other hand if they start cutting those blue sites over to the cingular network as the two networks integrate... do you still want to be on a network that is going away? At that point I am guessing you would say "no". That is just one possible scenario, don't think it is the way it is going to happen in your particular area or jump to any conclusions like that (although netowrk integration is going to happen no doubts about that). I am just trying to point out what I know to be the purpose of the new 64K SIM. It doesn not give you better coverage or service or anything like that.
Anyone else have information besides what I have stated?
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