
The smartphone kill switch is a feature that allows law enforcement to remotely disable a stolen phone, but it's not a standard feature on all phones. It's a relatively new concept that's gained popularity in recent years.
In 2013, California became the first state to pass a law requiring phone manufacturers to include a kill switch in their devices. This law was a response to the high number of smartphone thefts in the state.
The kill switch can only be activated by law enforcement, and it's not a tool for personal use. It's designed to help prevent phone theft and protect personal data.
Some phones, like the iPhone, have a built-in feature called Activation Lock that serves a similar purpose to the kill switch. However, not all phones have this feature, and it's not the same as a true kill switch.
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What Is It?
The smartphone kill switch is a piece of software installed in every new phone that can disable a stolen handset. It's been proposed as a solution to combat smartphone theft.
Law enforcement officials across the U.S. have been pressuring the telecom industry to do more to combat smartphone theft, and the kill switch has been proposed as the answer.
The laws don't target tablet PCs, basic cellphones, or other devices with cellular connectivity.
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How It Works
A smartphone kill switch is a feature that can render a stolen device inoperable on any network globally. It's a pretty cool idea, but it's not entirely clear how it would work, at least according to the political proposals.
The kill switch would likely be activated by calling your carrier or using a website, and it would send a signal to your phone. The signal would lock the device and potentially delete personal data, but only if you choose to do so.
The only way to revive a locked phone would be with a password supplied by the phone's owner.
Benefits and Effectiveness
The kill switch is a game-changer when it comes to preventing smartphone thefts.
Smartphone thefts have plummeted after the introduction of the kill switch, a software lock that can be remotely activated when a phone is lost or stolen.
The kill switch can wipe personal data from a phone and "brick it" so it can't be reused or reprogrammed.
You can track your phone to within 30 feet of its location, provided it's on, and then locate or wipe it out if necessary.
GPS tracking is a powerful tool, with some phones offering location accuracy within 25-35 feet.
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Implementation and Timeline
Minnesota's law and the proposed California legislation both mandate a kill-switch for smartphones manufactured after July 1, 2015. The California law will go into effect on July 1, 2015, while Minnesota's law will also take effect on the same date.
The California kill-switch bill is heading to the state Assembly, and if it passes, it will mandate that a "soft" kill switch be enabled on all smartphones sold in the state after July 1, 2015. Apple and Google, both based in California, will likely be affected by this law.
Pending federal legislation says Jan. 1, 2015, but this date is likely to be changed as it makes its way through committees.
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When Will It Start?
Minnesota's law and the proposed California legislation both mandate a kill-switch for smartphones that are both sold in those states and manufactured after July 1, 2015. The software must be installed or available for download in Minnesota, while in California it will have to be preinstalled on new devices.
The proposed federal legislation aims to implement the kill-switch by January 1, 2015, but it's likely to be changed as it makes its way through committees.
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What Happens Next?

The California kill-switch bill is heading to the state Assembly. If it passes there without substantial changes, and Gov. Jerry Brown then signs it, it will mandate that a "soft" kill switch be enabled on all smartphones sold in the state after July 1, 2015.
Minnesota's law would go into effect on the same date as the California one. The state House and Senate kill-switch bills, which have both passed, differ and need to be reconciled before going to Gov. Mark Dayton.
Apple and Microsoft, both members of the CTIA, dropped their opposition to the California bill after it was amended to exempt tablets and extend the compliance deadline by six months.
Cost and Features
The cost of a smartphone kill switch is a key consideration for many users. The Minnesota law and the proposed legislation in California and at the federal level mandate that it must be available at no extra cost to users.
This means that users shouldn't have to pay more for a phone that has a kill switch than one that doesn't.
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Industry and Politics
The telecoms industry has a complex history with the idea of a kill switch. For a long time, they were against it, claiming it would make phones vulnerable to hacking.
The industry's lobbying organization, the CTIA, was the main voice against the kill switch. But earlier this year, they changed their stance and now support the idea.
The industry is trying to avoid legislation and instead make the kill switch a voluntary commitment. This is a significant shift from their previous opposition.
A voluntary commitment might not be as effective as legislation, as many stolen phones are sent overseas. The industry's own database of stolen phones has limited reach outside of the U.S.
The industry's database of stolen phones was launched to prevent stolen phones from being reused with new accounts. However, its limited reach outside of the U.S. reduces its effectiveness.
Security and Existing Solutions
Existing security solutions like Apple's Find My iPhone and Google's Android Device Manager are excellent at locating, locking and wiping stolen smartphones as long as they stay connected to cellular or Wi-Fi networks.
However, these solutions are limited and can't do anything if a phone is turned off or put into Airplane Mode immediately after being stolen.
Widely available security solutions can't prevent the thief from accessing the owner's personal data, which is often more valuable than the phone itself.
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How Does a Switch Differ From Existing Security Solutions?

A smartphone kill switch is different from existing security solutions because it can do more than just locate and lock a phone that's turned off or in Airplane Mode. Existing solutions like Apple's Find My iPhone and Google's Android Device Manager can't do anything if a phone is quickly turned off or put into Airplane Mode after being stolen.
These solutions are excellent at locating, locking, and wiping stolen smartphones that stay connected to cellular or Wi-Fi networks. But they can't prevent the thief from selling the phone for parts or using it for malicious activities.
Existing security solutions can only remotely wipe a phone, which may not be the best option for the owner since it leaves their personal data vulnerable. The owner might be better off just writing off the phone as lost and getting a new one, but that benefits the thief and the phone's wireless carrier too.
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Find My iPhone/Android Locator
Find My iPhone or Google's Android locator is a built-in tracking service that can help locate a phone and wipe its memory if the phone remains online. However, thieves often switch off a stolen phone and reinstall the operating system, wiping all personal information and your link to it.
Thieves can easily reinstall the operating system on a stolen phone, rendering the tracking service useless. This is a major flaw in the current system.
California's proposed law aims to address this issue by requiring the kill-switch software to be resistant to OS reinstalls. This means the software would continue to function even after the operating system has been reinstalled.
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Why It's Needed
In the last few years, the number of violent thefts of smartphones on the streets of major U.S. cities has been rising.
Some estimates say 1 in 3 thefts in the U.S. involve a smartphone, making them a significant problem.
A sizeable portion of crimes involve people being threatened with knives or guns, or victims are assaulted.
Nearly 3.1 million Americans had a smartphone stolen in 2013, nearly twice as many as in 2012, according to a Consumer Reports survey.
Forty-five percent of those 2013 victims never recovered their stolen devices.
A stolen smartphone is easy to pick up off a cafe table, or snatch out of a user's hand, and can be resold for up to $600 domestically and more than $1,000 overseas.
Most stolen phones are quickly "factory reset" to erase the previous user's data, then resold.
The theft of car stereos is now half what it was in the early 1990s, according to the FBI, partly because many factory-installed car stereos now require an activation code to operate if they're disconnected from the car battery.
Cellphone Industry and Legislation
The cellphone industry has a complex relationship with the idea of a kill switch. For a long time, the industry was against it, claiming that it would make phones vulnerable to hacking.
However, the industry's stance changed earlier this year, and now the CTIA, the industry's lobbying organization, supports a kill switch. This shift in position suggests that the industry is willing to adapt to the changing landscape and find ways to prevent phone theft.
The industry is now hoping to make a kill switch a voluntary commitment, rather than having it mandated by legislation. This approach raises questions about the effectiveness of such a system and whether it would be enough to prevent phone theft.
Phone Storage
You don't need to store the kill switch software on your phone itself. Minnesota's law says it should be installed or available for download.
In California, new phones will have the software installed by default, but users will have the option to disable it. This opt-out approach is designed to increase the number of phones with the kill switch enabled.
The idea behind the kill switch is to make stolen phones less valuable to thieves.
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Governor Signs Legislation

The cellphone industry has made significant changes in response to legislation. The CTIA, the industry's lobbying organization, initially opposed a kill switch, but now supports it.
Legislation has been signed into law in California, and similar bills are being considered in other states. The California bill, SB 962, requires a kill switch that renders a device inoperable to an unauthorized user.
The kill switch must survive a hard reset and prevent reactivation on a wireless network except by the rightful owner or their authorized designee.
The California bill also specifies that the kill switch should be enabled by default on phones, but allows users to opt out.
Hidden Tech Battle
The Hidden Tech Battle surrounding the Smartphone Kill Switch is a fascinating topic. Many people are unaware that the tech industry has been fighting over this feature for years.
Apple and Google have been at odds over the kill switch, with Apple resisting the idea of a universal kill switch. In fact, Apple has only implemented a kill switch on the iPhone 6 and later models.
The tech industry is divided on the issue, with some companies like Google supporting the kill switch and others like Apple opposing it. This has led to a cat-and-mouse game between thieves and phone manufacturers.
The kill switch would allow authorities to remotely disable a stolen phone, making it useless to the thief. However, some companies argue that this feature would also make it easier for hackers to access personal data.
Law enforcement agencies have been pushing for the implementation of the kill switch, citing its potential to reduce theft and improve public safety.
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