We’re sure many out there rightfully assume that once their phone is turned off, either by choice or if the battery dies, that it just stops working entirely. Well you might be interested to learn that even in the event that a phone’s battery goes flat, there is still a tiny bit of power traveling to certain components, keeping them activated.
This is what one iPhone user found out when he discovered that the M7 co-processor in his iPhone 5s continued tracking his movements, even four days after the battery had supposedly died, due to it running out of battery as the charging cable ran into some issues that did not allow the phone to charge.
According to Redditor, Glarznak, “I frequently use Argus to track my steps (highly recommended if you have any health bands or accessories) 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 4 days that my phone was dead.”
For those unfamiliar, the M7 co-processor is a feature found in the iPhone 5s. What it does is that it helps take some of the load off the main A7 processor as it mainly focuses on recording data from the accelerometer, gyroscope, and other motion sensors found in the phone.
Interestingly enough it would seem as though the M7 might not even require the iPhone to be turned on in order for it to track a user’s movements. According to Glarznak, “I’m both incredibly impressed and slightly terrified.” We’re not sure if this is what Apple had originally intended, but what do you guys think?
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