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updated 3/6/2013 3:19:27 PM ET 2013-03-06T20:19:27

Thanks to We the People, a government website that makes petitioning the White House easy and straightforward, concerned American citizens have gotten responses to everything from gun violence to the feasibility of building a Death Star. One recent petition implored President Obama to legalize unlocking smartphones, a move that would allow consumers to transfer phone service from one wireless provider to another.

In this case, the citizens got their way, with some caveats. The White House said it will work with the Library of Congress (which, oddly, has responsibility for this matter) to make sure that users, not phone companies, have control over the devices that the customers purchased.

In practical terms, does this mean that you'll be able to break free of Apple's carefully curated App Store? Not necessarily. That's "jailbreaking," which is different from unlocking. And then there's "rooting," which only applies to Android phones.

Don't ask about tablets ; that gets even more perplexing.

If you're confused, you're not alone. This primer provides a breakdown of what you can and can't do with your phone, at least until the White House says otherwise.

Why do the White House and the Library of Congress get to decide how consumers use their gadgets in the first place? It's a long story, written almost entirely in legalese. In a nutshell, Congress passed legislation in 1998 called the Digital Millennium Copyright Act. This law states that tampering with software is a form of copyright infringement, which places implementation of and exemption from the DMCA under the purview of the Library of Congress.

Jailbreaking, rooting, unlocking or otherwise tampering with a phone's operating system require a pretty big system overhaul. In effect, users require special permission from the Library of Congress to modify their phones.

Jailbreaking Apple Phones

Jailbreaking is the most narrowly defined procedure of the three, but arguably the most useful — if you have an Apple device, anyway.

An iPhone in its natural state can only run the way Apple intended. Consumers must accept Apple's user interface, cannot examine the phone's file system and can only download applications from Apple's official App Store. Apps available for jailbroken phones, on the other hand, include classic video game emulators, software that removes Apple's size limits for 3G downloads and themes that radically change the form and function of the iPhone's home screen and menus.

While Apple sometimes limits "mature" or controversial content, content for jailbroken phones faces no such restrictions. [See also: 10 Most-Offensive Apps.]

Jailbreaking an iPhone can be complicated. Hackers like to stay ahead of the curve, though, and users can now get their hands on free software, such as evasi0n, that automates the procedure. Best of all, the Library of Congress has exempted this process from DMCA prohibitions.

Rooting Android Phones

Android users, on the other hand, don't need to jailbreak their phones, because Android devices already allow multiple sources for apps: Google, Amazon, Verizon and user-distributed, just to name a few. If Android users want to download and install untested, potentially dangerous third-party apps, that's their prerogative (and, in some cases, risk).

Some Android users perform a different operation, and " root " their phones. This makes it possible for users to get rid of preinstalled apps, such as Kindle, Blockbuster and Zappos, which wireless companies often stick on new phones. Phone owners can also install the latest versions of the Android OS (without waiting for their carrier to make it available) and even turn their phones into mobile Wi-Fi hotspots without paying an extra fee.

Like jailbreaking iPhones, rooting Android phones is also exempted from the DMCA. However, both jailbreaking and rooting may void a phone's warranty. Luckily, if you want to "unroot" an Android phone or undo a jailbreak on an iPhone before returning the device, it's only a little more difficult than rooting or jailbreaking the phone in the first place.

Users can also jailbreak other devices, such as Windows Phones and BlackBerrys, but the benefits aren't as obvious. The regular app selection on these platforms is anemic compared to Apple and Android, and the unofficial app selection is even weaker. [See also: Top 10 Reasons to Ditch Your Dumb Phone for a Smartphone ]

Unlocking Any Smartphone

"Unlocking" is the current source of controversy. Most phones are tethered to a certain provider: Buy a phone through an AT&T contract, and it won't run on T-Mobile. Unlocking phones allows users to make use of any mobile carrier willing to offer service, provided that the wireless technology is compatible (AT&T and T-Mobile are; AT&T and Verizon aren't).

For example, AT&T will unlock any phone at the end of a user's contract. "We will unlock your device if that's what you'd like once you've fulfilled the terms of your service agreement," says Mark Siegel, executive director of media relations at AT&T. "If you bring an unlocked device that'll work on our network, we'll provide you a SIM and set up your service."

Unlike jailbreaking and rooting, it's not strictly legalfor users to unlock their own phones in the United States. While the Library of Congress ruled that buying and selling older unlocked phones is OK, unlocking phones purchased after January 2013 is not.

If the president gets his way, however, the Library of Congress may be forced to change its tune. "The White House agrees with the 114,000+ of you who believe that consumers should be able to unlock their cell phones without risking criminal or other penalties," writes R. David Edelman, a White House senior advisor for Internet, Innovation, & Privacy, in reply to the petition. For now, the Library of Congress seems willing to work with the president.

In other words, hang onto your preferred phone, but don't unlock it just yet.

© 2012 TechNewsDaily

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