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July 30, 2009 12:10 PM PDT

Apple cautions iPhone users about jailbreaking

by Dong Ngo
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(Credit: Dong Ngo/CNET)

Apple published Thursday a support article cautioning users about jailbreaking the iPhone (as well as other Apple handheld audio devices).

Unlike the company's recent filing to U.S. Copyright Office that suggested that jailbreaking the iPhone might pose a national threat and be the cause of AT&T's unreliable service, the article states that "customers who have installed software that makes these modifications have encountered numerous problems in the operation of their hacked iPhone."

This means that if you get your iPhone jailbroken, for example, you will cause yourself, not others, problems. This is such a relief for me.

The problems that Apple mentioned include:

  • Device and application instability: Frequent and unexpected crashes of the device, crashes and freezes of built-in apps and third-party apps, and loss of data
  • Unreliable voice and data: Dropped calls, slow or unreliable data connections, and delayed or inaccurate location data
  • Disruption of services: Services such as Visual Voice mail, YouTube, Weather, Stocks as well as push-based third party applications have been disrupted or no longer work on the device
  • Compromised security: Security compromises have been introduced by the modifications that could allow hackers to steal personal information, damage the device, attack the wireless network, or introduce malicious software or viruses
  • Shortened battery life: The hacked software has caused an accelerated battery drain that shortens the operation of an iPhone or iPod Touch on a single battery charge
  • Inability to apply future software updates: Some unauthorized modifications have caused damage to the iPhone OS that is not repairable

Personally, I haven't seen much difference in performance as well as other issues with my iPhones (both the 3G and the 3GS) between when they are jailbroken and when they are not. I did notice that my iPhones offer a lot more features when they are jailbroken. For example, my 3G now can also record video, and I can use both phones to store my files (as external storage devices.)

However, if you install many third-party applications made for jailbroken phones, chances are you will run into some badly developed applications that can cause trouble.

Unlike unlocking, jailbreaking is just the modification of the operating system, which is software, and can be always be undone by restoring the device. Unlocking is when you want to have the code of the cell-connection baseband chip altered or fooled by an intermediary SIM card so that the iPhone works with other GSM cell services. (Unlocking, unfortunately, can also most of the time be undone when you upgrade the phone's firmware). While I haven't had any issue with this, either, Apple claims that opens the door (PDF) to many security issues.

Well, there wouldn't be any problems at all, really, if the devices were shipped without being locked down to a carrier or to Apple's App Store. People just want to use their devices the way they want, and they should be able to do so. This is why the Electronic Frontier Foundation has asked regulators (PDF) to basically legalize the jailbreaking practice of the iPhones.

If you own a jailbroken iPhone/IPod, please share your experience with it in the comment section.

Dong Ngo is a CNET editor who covers networking and network storage, and writes about anything else he finds interesting. You can also listen to his podcast at insidecnetlabs.cnet.com. E-mail Dong.
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Add a Comment (Log in or register) Showing 1 of 2 pages (65 Comments)
by monkeyfun14 July 30, 2009 12:24 PM PDT
Didn't you post something that basically said the same thing yesterday?

I personally think the threat of national security is a bunch of bs though..
Reply to this comment
by ngodong July 30, 2009 12:33 PM PDT
No, Apple just published their support article today. Yesterday it was the story about its claims to the U.S. Copyright Office which it didn't publish on its website.
by jpg27 July 30, 2009 1:11 PM PDT
Apple just shot themselves in the foot by taking blame off ATT and wants to put it on their customers! Using all types gimmicks to dissuade users from modding the phone. Which other phone manufacturer does that? SHAME SHAME SHAME! BAH!
by PhoneJam July 31, 2009 2:32 AM PDT
An iPhone using bluetooth was used to hack into our office network. It shows up as a device on the AT&T 2wire router home network menu but is not located anywhere within the office premises. The iPhone is probably hidden in an adjoining business establishment which is a laundromat or in the many nooks and crannies of the interior wall.
by joshbot August 30, 2009 10:12 AM PDT
My family has 5 iPhones, two 3G's and three 3GS's. Four of them are jailbroken. None of the phones have had serious problems due to jailbreaking. The functionality increase due to jailbreaking is drastic.

Thanks to jailbreaking we've been able to tether and have video for the last year on our 3G's. Additionally we can; customize everything, run programs in the background, free ourselves of the need to dock for podcasts, stream just about any tv show, voip over 3G, download large apps without docking, free up memory at will, install apps rejected by the app store (Google Voice for starters), sync up with more than one iTunes library, and the list goes on and on. I have had no problem with calls, rather there is an app in Cydia that allows me to see the callers location and another that actually improves other caller ID issues. Adding these functionalities does nothing noticeable to slow down the 3G with the exception of running more than one program at a time. My 3GS so far hasn't even flinched. If the masses had this added functionality the iPhone would be an even bigger seller than it already is and AT&T would be forced to deal with it.
by mbenedict July 30, 2009 12:30 PM PDT
Jailbreaking (and subsequently unlocking) is practically a necessity while travelling abroad. No one wants to pay outrageous roaming fees especially for data.
Reply to this comment
by Random_Walk July 30, 2009 2:04 PM PDT
You can buy (and even rent) local cell phones while overseas.
by gggg sssss July 30, 2009 7:53 PM PDT
@ Random whatever - you could also just not bother with an iPhone if you wanted to keep buying something else just to get service where you need it. Still looking for clues.
by MadLyb July 30, 2009 12:43 PM PDT
While you are still under contract, I can kind of get playing by their rules, but once you have met your committment (and technically own the phone), you should be able to do with it as you please and accept the consequences of your decisions.

What if HP and MS got together and said, you have to only use the OS we provide on your laptop and can only add approved applications? The Federal Trade Commission would be on them in a second.

I really get what Apple is trying to do, which is an extension of their go to market for computers. Control the Hardware *and* the software and you control the experience and minimize risk to the brand. The problem is the iPhone is simply too locked down and just like with iTunes, they have created a very profitable and new revenue stream in the App Store and they will not impact it in the slightest.

Quite honestly, I would rather have old, crappy WinMo or Android than Big Brother OS on the iPhone.
Reply to this comment
by jswanstr July 30, 2009 3:14 PM PDT
The point about HP and MS is an excellent analogy.
by gggg sssss July 30, 2009 7:54 PM PDT
like no Quicktime, no itunes, no safari. THAT will get the lawyers knickers in such a knot. LOL
by hrisheet10 July 30, 2009 10:26 PM PDT
great comment! i like the way you think. and yeah, i agree with you.
by tsi26 July 30, 2009 12:45 PM PDT
hmmm...I also haven't had any such problems. Oh...now I see, I use T-Mobile instead of AT&T. My iphone has been jailbroken and unlocked for two + years now. Yes, it's a 1st gen iphone though.
Reply to this comment
by hexjones July 30, 2009 1:04 PM PDT
I jailbroke my 3G when
i found out video would be enabled on 3gs and not 3g. I was enraged and I'm still ticked at Apple's app store practices and the nutty high price for data. I'll probably get an android phone when my contract is up.
Reply to this comment
by seamonkey420 July 30, 2009 1:17 PM PDT
maybe for those who load up jailbroken apps that are made for os 2.2.x and no os 3.0

and like tsi26, i'm on tmobile also and have not had any of said problems. also, my data costs me only $6/mo (not full 3g but for $6, edge is plenty fast for me)

..and thats unlimited, tethered edge. :)
Reply to this comment
by rdisgo July 30, 2009 1:18 PM PDT
Ok, not to be rude, but two things:

1) The iPhone is a computer. Imagine HP or Microsoft "Locking" the computer so you could not add unauthorised software.... oh, and AT&T was the ISP which claimed that unauthorised software was causing problems on their network.

2) You RENT-TO-OWN the device. You agree to pay off the device in installments. When they tell you you cannot operate the machine as you want, that is a problem. Put it this way, Rent-to-own a washer... if they told you Tide can be used, but Downy is bad and should not be used... you would be angry to be told what you cannot do with your washer.

Get a clue.
Reply to this comment
by monkeyfun14 July 30, 2009 1:41 PM PDT
Yes you rent to own alot of products do any of these companies tell you what you can and can not do?

I know when you buy a car the bank doesn't tell you what you can modify on it.

I know when I bought my computer from dell with leasing dell didn't tell me what I couldn't do with it.

Considering AT&T is guaranteed to get their money once you sign the contract I don't see the problem here.

Stop being such a damn apologist.
by monkeyfun14 July 30, 2009 2:17 PM PDT
Financing*
by Vegaman_Dan July 31, 2009 7:50 AM PDT
The Rent-to-own model assumes that when you are done making payments that equal to the value of the device (minus fees, services, etc) that you end up with the hardware to do with as you will.

The iPhone hardware is yours, but the OS is not. You can make the phone into a paperweight, use it to shim up that odd table leg, or scoop out your catbox if you want, but you *cannot* use it as a phone with the OS that is installed on it. That is Apple's and you will follow their rules and EULA.
by Bradyw76 August 4, 2009 5:07 PM PDT
Welcome to the new communist America fellas its what all the young college kids are asking for. A Commie America isn't it great
by ZetaZeta_ July 30, 2009 1:20 PM PDT
A hacker should see if they can patch the SMS vulnerability before Apple does. D:
Reply to this comment
by calculatorwatch July 30, 2009 1:22 PM PDT
ha, i find the bullet about "compromised security" especially funny after very recently reading an article about how any iPhone 3GS, jailbroken or not, can be hacked to do just about anything just by sending it a text message, and apple so far is doing nothing to fix it

the whole article is funny really, since it doesn't seem to have that much truth to it, unreliable voice and data is something that all iPhone users seem to experience way too much of, and as you mentioned the whole thing really supports the case that the EFF is trying to make

i wonder why apple cares so much about this jailbreaking thing suddenly after practically ignoring it for 2 years
Reply to this comment
by bluemist9999 August 4, 2009 6:57 AM PDT
It is probably Apple's response to the EFF brief asking jailbreaking to be legalized. Basically, Apple is spreading FUD and saying "If you allow jailbreaking, it will compromise national security, so don't do it! Let us keep complete control over the phone and people will be safe!"
by bithaze July 30, 2009 1:35 PM PDT
Ah, more Apple fodder to laugh at this week. For what it's worth, I have an iPod touch running OS 3.0, and I jailbroke it a few days ago shortly after learning Google Voice was banned from the App Store. It was mostly a curiosity thing since I never felt much need to jailbreak before, but so far I'm relatively happy with it and willing to overlook some of the problems associated with jailbreaking. (Having a Game Boy emulator in my pocket probably colors my glasses a bit too. :)) And no, I will never get an iPhone either.
Reply to this comment
by Zhasuss July 30, 2009 1:39 PM PDT
Bull. I don't own an iPhone, and now I don't want one! Apple has their huge, deformed head stuck somewhere it shouldn't be. I'll never be an Apple customer.
Reply to this comment
by myles taylor July 30, 2009 2:11 PM PDT
(shrugs) The only one losing is you. No one is boycotting the iPhone in significant numbers and Apple sold 5.2 million the last quarter. Apple doesn't care about your whiny fits.
by doubtthat July 30, 2009 1:43 PM PDT
Can you say Blackberry Storm? I can and did.
Reply to this comment
by Superlink_X July 30, 2009 9:14 PM PDT
Blackberry Storm?!? What the heck? That is the operating system to die before all operating systems. I heard the lag on that half baked crap is horrible. The OS is worse than iPhone's. I have to agree that when it comes to mobile devices, Apple is the biggest pain in the butt ever. Hail Android!
by make_or_break July 31, 2009 12:07 AM PDT
Old news Superlink; the Storm's not so bad anymore. At launch it WAS pretty wretched, but with subsequent patches Verizon and RIM have managed to make it into a decent device. It may still be well on this side of perfect, but it's not nearly as horrible as it was upon its initial release.

As for Android...well, maybe if the Cupcake push hadn't seriously killed Wi-Fi on my G1 I might agree with you. But it did and I don't. Right now it's looking REAL tempting to just pay T-Mo the early termination penalty and bail to Sprint and the Palm Pre.
by myles taylor July 30, 2009 2:09 PM PDT
"Well there wouldn't be any problems at all, really, if the devices were shipped without being locked down to a carrier or to Apple's App Store. People just want to use their device the way they want and they should be able to do so. This is why the Electronic Frontier Foundation has asked regulators (PDF) to basically legalize the jailbreaking practice of the iPhones."

I can't believe you would say something so shortsighted. Of course, in a fairy tale land where everything was lovely and free that would be nice, but we live in a world where things cost money and companies want to make money. You think AT&T would pay to subsidize your phone if Apple was selling it to any carrier? I think that we'll eventually be able to do that and the few people who actually utilize the options that their devices will have will be able to do it and everyone else will pay more because of it. The companies are still going to make money and if they get an avenue taking away, they'll pass the cost on to the consumer. We shouldn't all have to pay because a few people (even if I'm often one of those few) want to do things with their devices that they weren't built or intended to do.
Reply to this comment
by grtgrfx July 31, 2009 11:23 AM PDT
Maybe, like the rest of the planet, we should abandon subsidized phones, let the carriers compete on a truly even playing field (price and service), and force the phone makers to sell their products for what they are actually worth. The idea that we need to be coddled by the benevolent telcos with cheap phones just comes back to bite us in the form of these stupid restrictions on use, exclusivity, and overpriced phone contracts. I support the EFF. Get phone sales separate from telcos. Pay what they're actually worth. Drop calling plan prices. The market will decide how much people are willing to spend on iPhones and wireless plans.
by Someone-else July 30, 2009 2:13 PM PDT
That's why I don't like the iPhone, the hardware is great, but you can't use it to it's full potential.
If somehow there was a way to install Android (or Symbian or even WinMobile) on the iPhone, it'd become much better, IMO.
Reply to this comment
by make_or_break July 31, 2009 12:10 AM PDT
Symbian? Why on earth would you want that hole-infested tripe?

What makes an iPhone an iPhone *IS* the bloody OS. Despite all of its flaws, Apple's mobile OS is the key to making the iPhone as compelling as it is. Too bad it's been pistol-whipped by locking it to AT&T.
by snowjuice July 30, 2009 2:27 PM PDT
for 100t a bucks I bought a water damaged iphone on ebay,used some whiteout to remove the red water mark,had my friend who HAS a legit account -return it to the apple store for a new one-jailbroke it-got tmobile pre-paid,and have been LAUGHING EVER SINCE.Screw Apple & Att.
Reply to this comment
by gggg sssss July 30, 2009 7:57 PM PDT
THAT is the spirit.
by zond456 July 30, 2009 9:34 PM PDT
"THAT is the spirit. "

THEFT is "the spirit"??? What the hell is wrong with you people? You wouldn't mind if I hack a few hundred dollar from YOUR bank account, eh?

If you don't think it is theft, it IS legally fraud.
by Tommy360 July 30, 2009 3:45 PM PDT
I am just waiting for the day for someone to finally come along with a real alternative (sorry Pre), to the iphone. I can't wait to get away from Apple (tired of feeling so locked down and told what to do) and especially AT&T (no explanation needed here). Sadly, there is nothing that I have seen out there.
Reply to this comment
by barryp3403 August 2, 2009 5:36 AM PDT
Why do you feel the Pre is not a real alternative to the iPhone. It seems like a legitimate alternative from everything I have read and seen. Have you tried out both phones?
by alpawa July 30, 2009 4:07 PM PDT
I've had 3 iPhones, 2 2Gs and 1 3G all of them jailbroken and unlocked; updated twice firmware and they have always worked great! I do not have too many apps from other sources than the App Store but I do have some along with some from the Store. Youtube, weather, stocks an all of the stock apps work also. BOTTOM LINE: From my experience, jailbreaking the device does not do anything harmful to it. Apple is becoming more and more like its long time rival (maybe nemesis) Microsoft. This is the wrong path for Apple. My first computer was a Macintosh 512 and been a Mac user ever since. We have to let Apple know that us Mac lovers do not want the gestapo-like tactics/actions. Let the iPhone be free!
Reply to this comment
by gggg sssss July 30, 2009 7:58 PM PDT
MS does not restrict what you run on the Windows OS in any way shape and form
by fuzz_64 July 30, 2009 5:05 PM PDT
I don't understand. SOOO many users have this same problem as you seem to... if your iphone 3g is so awesome, why did you also get a 3gs?? Who really truly needs 2 phones unless 1 is for work and 1 is for personal use.... and if one is for work it's usually always either a fairly cheap phone for basic talk and text or a true business phone like a blackberry.
Reply to this comment
by amdkilla July 30, 2009 5:40 PM PDT
"the whole article is funny really, since it doesn't seem to have that much truth to it, unreliable voice and data is something that all iPhone users seem to experience way too much of, and as you mentioned the whole thing really supports the case that the EFF is trying to make
"

Not all iPhone users. You are forgetting those in the UK. We dont have problems over here, as Apple chose the best carrier, 02. AT&T are supposedly the best carrier in the US, but as I have never used any US carrier, I can't comment on their services.

Apple defines itself by providing the 'it just works' ideology into all their products. Sure, they may have a few problems from time to time, but AT&T is outside of apple's hands. For bad connections, you should all look (and winge) to AT&T. Yea, sure, apple signed the contract with them, but that was on the pretense that AT&T was going to improve their networks to handle the capacity. Neither company wants to break their contract with each other, so the situation stays as it is.

As for Apple breaking some functionality on jailbroken iPhones/iTouches, for shame Apple!!

Microsoft has done the same thing in the past with WGA. At least this time, its for adding extra features, not for getting the OS for free.
Reply to this comment
by gggg sssss July 30, 2009 7:59 PM PDT
WGA has never affected paid for copies of windows.
by yahoo!!! August 2, 2009 3:31 PM PDT
LOL!!!...AT&T the best thats funny!
by deev10u5 August 2, 2009 11:14 PM PDT
In Australia it's even better...Apple signed with all of our major carriers (eg. Telstra, Optus, Vodafone and Three [Three + Vodafone is now the same company]). Basically you pick the level of coverage matched with the plan you need. Invariably we seem to pay a bit of a premium here but at least we have choice! :-)
by jp999 July 30, 2009 7:24 PM PDT
i've had my iphone 3g for about 8 months. I had a palm treo 750 with winmo for about 2 years before that. All in all, i have no urge whatsoever for a 3gs (the battery life does sorta suck if you dont kill apps off in the background and the lack of um... multi-tasking (?) abillitys such as multiple apps at once really sucks too).
Not that I love winmo, I'm on AT&T now tho, and their data plans suck. I pay 15.00 US a month for just 1500 txt messages (Ok i use it for work -computers email, namely Mr. Nagios!) .. On top of taht, I'm required to pay for a 30.00 US per month data plan. I have the cheapest plan, the "Nationwide 450" and I still pay about 100.00 US per month in all. Now I'm like.. wow. For 2 years? i'm getting super-screwed. FML as they say. I do love some things about the phone - the unit itself is one hell of a gaming platform - my kids clamor for it! (I don't personally, but other apps sure). Anyhow, i think if it someday works here on another carrier i will keep it, but oother than that, i'm outta there as they say come 2/2011! :(
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