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post #1 of 13 (permalink) Old 10-18-2011, 09:11 AM Thread Starter

 
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iphone and ATT tethering

On rare occasion I would tether my laptop to my Blackberry. Is there a way to do this on the iphone without having to pay the $20 a month ATT fee. I already have a data plan on the phone account.

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post #2 of 13 (permalink) Old 10-18-2011, 09:14 AM
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Yes, Jailbreak it. What kind of iphone?

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post #3 of 13 (permalink) Old 10-18-2011, 12:12 PM
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Quote:
Originally Posted by Loki047 View Post
Yes, Jailbreak it. What kind of iphone?
That will work for about a month.

Then ATT, Verizon, or Sprint (who can tell when your tethered) will send you a text telling you to stop, or sign up for a tethered data package.

If you don't, they will sign you up and sometimes charge you for the previous months you've used it.

http://www.pcmag.com/article2/0,2817...id=I8siSUEBs5c
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post #4 of 13 (permalink) Old 10-18-2011, 12:33 PM
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US cellular does care that I do that, but it also is not an Iphone..

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post #5 of 13 (permalink) Old 10-18-2011, 12:37 PM
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US cellular does care that I do that, but it also is not an Iphone..
So basically you have absolutely nothing to add.

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post #6 of 13 (permalink) Old 10-18-2011, 12:49 PM
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Quote:
Originally Posted by TripleZ View Post
That will work for about a month.

Then ATT, Verizon, or Sprint (who can tell when your tethered) will send you a text telling you to stop, or sign up for a tethered data package.

If you don't, they will sign you up and sometimes charge you for the previous months you've used it.

http://www.pcmag.com/article2/0,2817...id=I8siSUEBs5c
As long as gkotlin doesn't go crazy and start downloading a lot or using it as his primary source of internet, he'll be fine. He says "rare occasion," so I'm assuming it wouldn't be very often.

As of now, there isn't a jailbreak for iOS5, at least not one that the average user would want to use, released. It'll be another couple weeks I'm guessing for a reliable one to come out.

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post #7 of 13 (permalink) Old 10-18-2011, 02:28 PM
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there's got to be a hotel, Starbucks, McD or Panera nearby for your occasional need. I wouldn't ever bother with hacking/tethering when there's so many public wifi hotspots available for use
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post #8 of 13 (permalink) Old 10-18-2011, 02:43 PM
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Quote:
Originally Posted by TripleZ View Post
That will work for about a month.

Then ATT, Verizon, or Sprint (who can tell when your tethered) will send you a text telling you to stop, or sign up for a tethered data package.

If you don't, they will sign you up and sometimes charge you for the previous months you've used it.

http://www.pcmag.com/article2/0,2817...id=I8siSUEBs5c
Well someone I know tethers all the time and has yet to receive and notice - nor do I know anyone who has received one.

How does sprint/ATT/verizon know what is using the data? Sounds like they are just watching data usage and guessing.

The reason i doubt its monitoring browser data is that I know a ton of people on Android that run desktop browser IDs to get full web pages instead of the mobile formatted.

Jordan
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post #9 of 13 (permalink) Old 10-18-2011, 02:57 PM
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Quote:
Originally Posted by Loki047 View Post
Well someone I know tethers all the time and has yet to receive and notice - nor do I know anyone who has received one.

How does sprint/ATT/verizon know what is using the data? Sounds like they are just watching data usage and guessing.

The reason i doubt its monitoring browser data is that I know a ton of people on Android that run desktop browser IDs to get full web pages instead of the mobile formatted.
Clicking through a couple links in the article leads to this:

Quote:
For all you wondering how they can tell:

All IP packets have something called a TTL associated with them. It stands for Time To Live. Every "hop" along the network from one router to the next reduces the TTL by one. When it reaches 0, the packet is dropped. This was introduced to keep routing problems from overloading the network. If for example, by some error a packet was going around in a circular path, the TTL would eventually reach 0 and prevent a packet storm.

The thing is, ALL routing devices do this. OSes use standard TTLs. For example, let's say both your iPhone and laptop use 127 for the TTL. AT&T will receive packets from your iPhone with a TTL of 127, but since the packets from your laptop pass through your iPhone first, they arrive at AT&T with a TTL of 126. They can detect a tethered device this way.

EDIT: Some people below have suggested changing the default TTL of their tethered device (which is possible). I would just like to point out that the max TTL allowed is 255, and if the iPhone uses 255 as its default TTL, well there's no way you can set it to 256.
I'm guessing the people that received the letters busting them of tethering were using a lot of data per month, so it was investigated.

Quote:
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post #10 of 13 (permalink) Old 10-18-2011, 03:12 PM
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On rooted Android phones on Sprint, there is a way around this. It involves removal of the Sprint proxies from internal settings. You lose certain Sprint functionality like SprintTV but it also helps performance of streaming apps like YouTube.
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post #11 of 13 (permalink) Old 10-18-2011, 03:21 PM
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Quote:
Originally Posted by Noodles View Post

I'm guessing the people that received the letters busting them of tethering were using a lot of data per month, so it was investigated.
I assumed that was simple to get around with re-writing the packets TTL as it left the phone - which is what PDA-net does (i think(.

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post #12 of 13 (permalink) Old 10-18-2011, 03:26 PM
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There are some serious geeks in this thread.
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post #13 of 13 (permalink) Old 10-18-2011, 03:32 PM
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There are some serious ballers in this thread.
There sure is

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