What exactly does is mean to Jailbreak an iPhone?

If you jailbreak an iPhone or other mobile device, it means that you have “unlocked” it, and are getting around some of the rules that they’ve put on the devices’ use. When a new device comes out, or even just a new IOS, a hacker has to figure out a new way to hack it. Then, normally, they will publish the steps necessary to do so online for other hackers and geeks.

However, I’m not a geek. Or a hacker. Most owners of these devices aren’t. So at some point, some enterprising hacker has to put together a jailbreak software package that us non-geeks can use to crack our phones automatically. The beauty of this is that we don’t have to scroll through thousands of lines of script just to unlock our phones. Instead, all that we have to do is download a jailbreaking app to our PC or Mac, hook up the phone via USB, and press the “Go” button. The app then unlocks the phone automatically, leaving you free to do whatever you want with the IOS, such as installing 3rd party, unauthorized software.

So what is the Benefit of Using JailBreak Software to Unlock your Phone?

Well, when you jailbreak a mobile phone, it means that you can then do more things with it. You can begin installing custom skins that either you have made or that you’ve downloaded from Cydia, as well as installing 3rd party apps that haven’t been authorized by the manufacturer.

So you might be wondering – is there any reason that you wouldn’t want to jailbreak or crack your phone or iPod?

Not in my opinion, since it’s legal and you can get so much more functionality out of your electronics once you do. BUT – there is one drawback that might put some people off. Technically, once you unlock your phone, you’ve voided your warranty.So in theory, if something goes wrong with your phone, you’re stuck paying for it out of pocket to get it fixed.

Honestly, though, this usually doesn’t happen in real life.

Let’s say that your phone has a hardware issue. It won’t turn on. If you send it in, the techs will often have no idea that you’ve unlocked it, since they have to reinstall a fresh IOS anyway. If it has a software error, and you can still boot it, then all you have to do is “un-jailbreak” it, which most jailbreak software lets you do, and restore it to factory defaults before you send it in.

The techs would have no knowledge that the device was ever jailbroken or hacked. This is something to keep in the back of your mind though. Just use your head, and you’ll be fine.

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When the Nook Color was first announced, I pointed out that it was more than an e-reader. With the ability to browse the Web, edit Office documents thanks to Quickoffice, and run apps approved by Barnes and Noble, it’s really a basic tablet that doubles as an e-reader for a price well below other tablets.

Yesterday, the potential for the Nook Color exploded as folks of XDA announced success in rooting the device (modifying it to allow the injection of additional or altered code). As proof of their success, they offered pictures of the Nook Color running Angry Birds and with other items added to the device’s Extras screen.

XDA offers complete instructions for jailbreaking the Nook on their nookdev wiki site. Only a handful of people online claim to have used the instructions to do the same though. Most likely, that’s a result of the instructions being pretty geeky – it’s not quite in the form of one-touch hack software as exists for Apple products. Many users are being careful, since making a mistake in the unlock process could result in the device being bricked.

In general, whenever other devices have been jailbroken, we’ve seen instructions get cleaned up in short order. Normally, soon after that’s occurred, we’ve also seen a jailbreak application with one click capabilities come out within months if not weeks. It happened with the iPhone, the Android, and Windows Mobile 7, so there’s no reason to foresee that the Nook shouldn’t follow the same path.

What does this mean for Barnes and Noble?

Well, if B&N follows Microsoft’s lead with the Windows Mobile 7, it could be very lucrative. Thus far, Microsoft has turned a blind eye, neither endorsing the jailbreaking process nor discouraging it. If Barne’s and Noble does the same, they could increase Nook sales. Think about it. The Nook is priced as an e-reader at around $260. With this hack, consumers would esentially be getting a fully capable Android table for the price of an e-reader. That would be very wise on their part.

In the event that Barnes and Noble does decide to go against their own best interest and fight the practice of jailbreaking the Nook, they could still learn a thing or three. They could make future Nooks much better offerings by watching why people are trying to unlock them. They would pay careful attention to what features hackers were installing on jailbroken Nooks, and then implement those features on new release of the Nook. This could, in the end, give the average user less reason to crack the Nook at all, although geeks would probably still do it just for the thrill.

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Should you jailbreak your iPhone? Here are some of the pros and cons…

Reasons to Jailbreak:

No Longer Tied to AT&T

AT&T has exclusive rights over the iPhone until at least 2012, and with all of the network’s problems , a lot of people are wary. But the latest jailbreak gives users access to T-Mobile’s GSM network, which works better in many areas of the US.

Awesome Jailbroken iPhone Apps

Apple’s legit App Store has many cool offerings, but jailbroken iPhones have a wide array of banned creative and quirky apps. Access to Cydia — the hub of “illegitimate” apps — is a huge motivation for jailbreaking your iPhone.

Fully Reversible

If you’re worried about there being negative consequences after you unlock or hack your iPhone, you can reverse it very easily and “un-jailbreak” your phone. All that you need to do this is to restore iTunes using your PC and a USB cable.

Why You Might Not Want to Jailbreak:

Getting Your Phone Bricked

As with any tampering of your iPhone, you run the risk of experiencing “bricking.” Bricking renders your phone unusable and requires a complete wipe and restore to make it functional again. Not a big deal given the quick fix, but it does serve as a deterrent.

Voiding Your Warranty

As of 2010, the fair use doctrine legalized jailbreaking in the US. However, it still voids your warranty. And if you don’t have a warranty, Apple is under no obligation to cover damages or malfunctions with your device. So if you’re a klutz or are prone to dropping your phone, or if your particular device is buggy – you might want to think twice.

Security Concerns

Security concerns are a remote, but real concern. Apparently, the hacking website MacRumors has discovered an exploit in the jailbreaking procedure where hackers can plan malware onto a phone through the IOS PDF viewer. It’s something that might give you pause. If you do decide to jailbreak, consider disabling the PDF viewer if you don’t use it.

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Cell phone radiation is a controversial topic especially since many studies have begun to point to the fact that low microwave radiation emitted by these devices can be absorbed by soft tissues of the skin. Although the correlation between low level radiation and cell mutation is not yet a set conclusion, this issue has created waves in the modern community.

Exposure to radiation does not make itself obvious in cell mutation until after twenty years or so, and in many cases mutation may have already been triggered by many other lifestyle factors. Such lifestyle influences could be pollution, radioactive frequency waves from other heavy industrial satellites, and tobacco.

In order to conclusively pinpoint the causes of cell mutation, many other factors need to be considered and studied. The instant conclusion that mobile phone use is a cause of cancer is inaccurate and has relatively no scientifically proven data, although the possibilities of adverse cell phone radiation exposure have created a media scare.

However, controversy is not an excuse to be lax in the use of these gadgets, or any other gadgets that may have possible radiation emissions. There are some recommended precautions that one can take if one is concerned about the consistent feeding of radiation to the cellular structure of the body.

The internet has listings of phones with low-radiation emissions, and this is a good option for those who need to use the cell phone for business, but are very concerned for their overall health. The willingness to change out an otherwise high-radiation emission mobile phone for low-radiation emission units is probably the best alternative for many individuals.

Using the mobile speaker functions on some modern mobile units can greatly reduce the emissions sent out by the phone, and allow for ease of use with less worries. For those whose phones do not have this feature or option, talking with the phone away from the ear will help reduce the radiation exposure.

Accessories such as Bluetooth devices that are wireless can emit microwave signals on their own, outside of the radiation that is already being emitted by the cell phone, so use of this would be feasible only if it is an absolute necessity, and consistent transfer from one ear to another and removal when not in use is recommended. Using wired headset or earphone devices that have plastic hollow tube earpieces is an alternative that greatly reduces the radiation emitted from mobile phone use.

Text message sending is a good alternative for information that can be relayed in this manner because this reduces the tendency to place the phone close to the ear for a conversation. A cell phone emits a signal when it needs to transmit voice data out as it receives this from the user whenever he talks, which in turn emits radiation.

Bad connections or low signal pickup is also another reason for a mobile phone to emit more radiation as it seeks out a signal by sending out its own, so it is recommended that during weak signals one should refrain from using the mobile for talk time. The same goes for making long distance or overseas phone calls that tend to be lengthy and poor in reception, inducing the phone to work harder at trying to maintain the connection.

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Mobile applications date back to the first cellphones nearly twenty years ago. However, it is in recent years that they have really been put front and centre with the release of advanced smartphones such as the iPhone and Blackberry. In short, mobile applications are programs, often downloadable, that allow phones to serve an extraordinary range of functions. Amongst other things, they come in the form of productivity assistants, communicative and social networking agents, or just straight entertainment in the way of games and music players. The thing about mobile applications is that there is no limit to what they can be and what they can do. With the rapid development of mobile phone technology and dramatically improved infrastructure, there are very few constraints on what applications can do.

Mobile applications first came about around the same time as mobile phones. In particular, SMS messaging was one of the first applications to be incorporated into handsets and is still the most widely used today. However, early mobile applications were constrained by the phones of the time and their limited capacity to access the Internet.

Since the introduction of smartphones, specifically the iPhone, mobile application development has experienced a boom. Because many phones now have near perfect Internet connections, users have been able to develop greater quantities of data and consequently, larger and more sophisticated applications. Developers have responded in kind by producing applications capable of such an array of functions that just about any need can be serviced by the right mobile application.

Currently, most mobile applications are downloadable and for offline use. Google though is hard at work on developing web-based applications. While this means users will require a reliable internet connection, wireless networks are quickly becoming more dependable and far reaching. Offering applications that don’t need to be downloaded allows developers a far greater scope to be creative and push the limits of what is possible. Along with the development of 4G networks capable of handling far greater quantities of information, it is clear that both the quality and complexity of applications will continue to develop substantially.

Because mobile applications are so widely used, they represent a largely untapped medium through which businesses can advertise. Through sponsoring the development of applications to inserting a company logo into an applications title card, mobile applications have enormous potential as an effective marketing tool.

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