Should electronics be powered off going through TSA?

The final decision rests with the TSA officer on whether an item is allowed through the checkpoint. Officers may ask you to power up your electronic device, including cell phones. Powerless devices will not be permitted onboard the aircraft. TSA does not read or copy information from your device.



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The TSA largely looks for physical evidence that a passenger could be a threat, so they'll generally have no reason to search through the data on your phone. After all, they're the Transportation Security Agency, not a detective agency. Even if they did have reason to want to access your phone, they'd need a warrant.

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If airport security subjects your computer to additional scrutiny, they may instruct you to turn it on and will ask questions about its use. If you do not adequately answer the questions, security retains the right to confiscate the item.

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Most consumer personal electronic devices containing batteries are allowed in carry-on and checked baggage, including but not limited to cell phones, smart phones, data loggers, PDAs, electronic games, tablets, laptop computers, cameras, camcorders, watches, calculators, etc.

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Devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage. Most other consumer devices containing batteries are allowed in carry-on and checked baggage. For more information to portable electronic devices, see the FAA regulations.

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The TSA largely looks for physical evidence that a passenger could be a threat, so they'll generally have no reason to search through the data on your phone. After all, they're the Transportation Security Agency, not a detective agency. Even if they did have reason to want to access your phone, they'd need a warrant.

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Approved electronic devices must be in airplane mode during flight. You can use your approved devices except at takeoff and landing. Laptops and plane power ports can only be used above 10,000 feet.

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This covers typical dry cell batteries and lithium metal and lithium ion batteries for consumer electronics (AA, AAA, C, D, button cell, camera batteries, laptop batteries, etc.) Spare (uninstalled) lithium metal and lithium ion batteries are always prohibited in checked baggage and must be placed in carry-on.

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One of the most common reasons you will get a pat down is if you refuse to go through the walk-through metal detector or the full body scanner. For some people going through a metal detector is not an option, while others just may prefer to not go through these.

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TSA officers will begin to ask travelers to remove electronics larger than a cell phone from their carry-on bags and place them in a bin with nothing on top or below, similar to how laptops have been screened for years. This simple step helps TSA officers obtain a clearer X-ray image.

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The main reason you must remove your laptop from your bag is that its battery and mechanical components are too dense for X-rays to pass through easily, especially with older airport scanning systems. The same applies to power cords and other devices like tablets and cameras.

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It all depends on the country and the airport. Some metal detectors and scanners are set to give a false positive signal at random intervals, leading to a personal search, but in many instances what are declared to be random searches are not that at all.

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TSA Rules for Multiple Laptops
The Transportation Security Administration does not limit the number of laptops that you pack in your carry-on bag, even for international flights. In fact, the @askTSA Twitter account posted that “Laptops are allowed in carry-on bags with no quantity limitations.”

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For items left in other areas of the airport, please check the airport's website for contact information. Items left behind at TSA security checkpoints are held by TSA for a minimum of 30 days or until the item is reunited with the original owner.

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Luckily, CBP isn't allowed to deny you entrance into the country for refusing to unlock your phone if you're a US citizen. However, they can still confiscate your device for as long as they want, and download anything they want, and save it to their databases.

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TSA uses millimeter wave advanced imaging technology and walk-through metal detectors to screen passengers. Millimeter wave advanced imaging technology safely screens passengers without physical contact for metallic and non-metallic threats, including weapons and explosives, which may be concealed under clothing.

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Anything that would set off the detector has to be removed. If I'm wearing some sort of jacket that I'll need to take off I just stuff everything into those pockets. If not, my keys, wallet and watch go inside the front flap of my travel bag. My phone usually lives in a pocket on my bag anyway.

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Remove personal electronic devices larger than a cell phone from your carry-on bag and place them into a bin with nothing placed on or under them for X-ray screening. (E.g. laptops, tablets, e-readers and handheld game consoles.) Remember to check the bins and collect all belongings after going through screening.

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Cell phones, cell phone battery charging cases, laptops, cameras, smart phones, electronics, data loggers, PDAs containing lithium batteries, games, tablets, watches, etc. Devices containing lithium metal or lithium ion batteries (laptops, smartphones, tablets, etc.) should be carried in carry-on baggage.

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Lithium batteries can catch fire
While not all batteries are prohibited in checked luggage, lithium batteries are considered hazardous and should not be packed in checked bags. If a lithium battery overheats and catches fire inside the cargo hold, the fire can quickly spread and become difficult to control.

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It is generally not recommended to pack electronics in checked luggage, as they can be damaged or stolen during transport. Instead, it is usually safer to pack electronics in your carry-on luggage, where they will be under your control throughout the trip.

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