7 ms·
how does the transit card work if the phone is turned off?
by mind_heist 2y ago
how does the transit card work if the phone is turned off?
- ThePowerOfFuet 2y agoBecause not all of it is turned off.
- numpad0 2y agoSomething is always on to handle power button, tender battery, as well as USB. NFC payment has to be compartmentalized for security, as a tangential. At that point you might as well fuse those features into one companion computer and let it handle NFC payments under certain conditions, so people can take a safe ride home with a dead phone.
- acchow 2y agoThe iPhone continues to run various functions while turned off (including find-my-iPhone with BLE via the global, mesh network of iDevices)