Recently, I used PwnageTool on my mac to update my 2G iPhone from 2.2.1 to 3.1.2. I've been using T-Mobile since day one with my iPhone without hassle. Well, except for the upgrade hassles that I have from time to time. Once I unlocked the SIM, I was able to use the SIM from my T-Mobile DASH in the phone.
When I upgraded this time, however, there was a problem. My data connections stopped working. Since 3.1.2 was otherwise a nice upgrade for me, I went looking for the problem. It turns out that the bundled carrier files that describe what you can and can't do with the iPhone basically said no data.
Carrier files that are correct for T-Mobile, and the data plan I have, can be found iPhone-Dev.ca under the IPCC section of the web page. Instructions for loading the IPCC file were there as well. For T-Mobile, you'll need to call T-Mobile to find the right APN to use. For my plan it turned out to be wap-apn. Your milage may vary, but worst case would involve trying all 4 of the files.
While not a programming hack, this should come in handy for anybody that's in a similar situation. Alas, I have no experience with the 3G or 3GS phones, and problems with the upgrades for those phones seem to be more widely covered (and blogged about).
2 comments:
Are you able to jailbreak 3.1.2 firmware using blackra1n ?
iPhoner Users
Did you have the "No Service" problem with you iPhone and corrected it by updating the ipcc bundle? Is it the same issue described on this blog?:
http://modmyi.com/forums/unlocking-activation/693078-3g-no-service-3-1-2-blackra1n-blacksn0w-3.html#post5078562
Is that correct?
Could you point me to a pictorial or video or tutorial that shows how to do it? I'll appreciate it, thanks !
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