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Dimitar Georgiev
Attended медицинска академия София
Lives in Sofia
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Immortal phone's soul...
 
Apple can track you even AFTER your iPhone battery dies: Sensors use built-in chip to collect data when the 5S is 'dead'....

Apple iPhone 5S users take note – even when your phone battery dies, the handset can still track your every move.

This is because when a battery dies, the phone keeps a small amount of power in reserve, meaning its low-energy chip can carry on collecting data from built-in motion sensors.

It can’t track location, however, but it can reveal how many steps a user takes, or establish whether a phone was still being carried around when used with select, third-party apps.

The feature was discovered by Reddit user Glarznak while travelling abroad.

After four days without charge, Glarznak found that when he turned his iPhone back on, the number of steps he had taken during those four days had been recorded on a pedometer app he had installed.

Glarznak wrote: ‘I frequently use Argus [fitness app] to track my steps since it takes advantage of the M7 chip built into the phone.

‘Once I got back from my vacation, and charged the phone, I was surprised to see that Argus displayed a number of steps for the four days that my phone was dead.

‘I'm both incredibly impressed and slightly terrified.’

Apple handsets, as well as other devices, traditionally keep a reserve of power - even when the phone shuts down - in order to maintain certain services and help it boot up when put on charge again. 

For example, when a phone battery reaches zero on the display there is, on average, around 5 per cent battery left.


HOW DOES THE IPHONE 5S TRACK MOVEMENT?

When Apple launched the iPhone 5S, it added what’s called a ‘companion’ chip, dubbed M7. The M7 collects data from sensors including the accelerometer, gyroscope and compasses. These sensors can detect motion and are used by a variety of apps including fitness trackers, and maps. It was designed to take this data collection task from the central processing unit (CPU) to help preserve battery and speed up the processors. Each of the motion sensors are classed as ‘low-energy’, which means the M7 can continue to collect data from them using the battery reserve. The M7 does not collect data from the GPS unit, though, because this unit takes up a lot of power and is handled by a separate chip. All the data the M7 collects is encrypted and removed after seven days. It also can't be accessed by Apple's built-in apps - only by apps developed by third parties.

http://www.dailymail.co.uk/sciencetech/article-2573761/Apple-track-AFTER-iPhone-battery-dies-Sensors-continue-collect-data-phone-dead.html

Image Credit Reuters
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Dimitar Georgiev

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Anti Government movements in Sofia
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Spring sea, near Nesebar, Bulgaria
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Bravo, Dima!
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Have him in circles
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Dimitar Georgiev

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Браво! Обаче качеството на филмчето е лошо
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Sleepwalker ... Ancient Egypt artistic look at petroglyphs in terms of my ten year old son .... :-)
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the first cherry at dacha garden, just in time!
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Have him in circles
74 people
Mihail-Ernesto Mihailov's profile photo
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Education
  • медицинска академия София
    медицина, 1977 - 1983
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IT in healthcare
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Sofia
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Sofia
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Good, but they haven't travel adaptors, so have to buy
Public - 8 months ago
reviewed 8 months ago
Moderate quality, modest breakfast choose, old 50s fashion style
Public - a year ago
reviewed a year ago
Public - 2 years ago
reviewed 2 years ago