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Tethering on iPhone 3.1.2 [No jailbreak, unlock, etc.] in the US AT&T

V

varunsanthanam

macrumors 6502
Original poster
Dec 28, 2007
459
191
California
Hey guys,

I am trying to enable tethering on my 32GB iPhone 3GS. I remember that at one point in time, you could go to help.benm.at and download a config profile.

Recently. however, help.benm.at has been updated. When I try to download the file, i get an error message (attached below). How can I enable tethering without jailbreaking, unlocking, etc.?

Thanks in advance
 

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It is has not been possible since 3.1 to enable tethering without jailbreaking. The iPhone now checks for signatures on .mobileconfig files, and will not recognize unsigned ones unless you patch a system file. It has nothing to do with changes in Ben.M.
 
actually

Actually, after the 3.1 firmware was released (and broke the help.benm.at tethering hack), the people at help.benm.at started working on a solution for 3.1

They said, in december 2009, that they think they had a way to get it to work on firmware 3.1 and then they said that they were testing in and to "stay tuned"

Now that the help.benm.at site has been remade, I do not know if it currently has just been remade with the old hack or with the new hack that they were testing but we'll see.

As of 12:20 (eastern time) they put up a little note that says that they are having trouble but the AT&T file but that it should be up and running soon.

Also, I don't know if this is a good or bad thing (because the english on the site is not too good because it is a site from Austria) but if you go to help.benm.at and click tethering, there is a little not that says "Remember you need at least Firmware 3.0! At 3.1.3 only without simlock!" So I don't know if they're trying to say that if you have 3.1.3 it will only work WITH the simlock hack or if they mean that you have to have your sim unlocked.
 
actually

actually, now that I think of it... the "At 3.1.3 only without simlock!" might mean that you cant have ("without") your sim locked ("simlocked")...so you have to have your sim unlocked for it to work with 3.1.3 but I don't really know.

And what does that mean about 3.1.2?

They said that they had a solution for 3.1.2 and the 3.1.3 update has an updated baseband so that could mean that it will work with 3.1.2 but not with 3.1.3?

We'll just have to wait until they have fixed the AT&T file to see...
 
The checking of the profile's signature should stop tethering. However, you should still be able to install the profile, even though it would not bring tethering. I can't do either. Here's something strange:

I try installing a profile for another carrier in another country, and, though it doesn't bring tethering, I can atleast install the profile.


When I use the profile generator inputing the same settings as the AT&T profile, but input the carrier names as "test" I can install the profile, but no tethering. When I enter the carrier name as AT&T, I can't even install the profile.

It seems that apple is actively blocking profiles with the name "AT&T", so even is someone found a good profile, they would be unable to install it.

Anyone else see this?
 
As a correction, iPhone OS only checked the signatures of mobileconfig files that contain a modification of the APN. They can't check signatures of all profiles, because companies use config profiles to set up hundreds of stock devices for their employees. Unfortunately, tethering requires an APN change....
 
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