How the hell does a Smartphone still manage to still Sync the correct time in a Subway with No Service? | |
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Anonymous Coward User ID: 43387196 Canada 05/18/2018 12:39 PM Report Abusive Post Report Copyright Violation | Re: How the hell does a Smartphone still manage to still Sync the correct time in a Subway with No Service? If you can still make a 911 call, it is connected. Also phones have internal clocks like computers so the time keeps going even without connection. It simply does not update in case of time zone change. |
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Anonymous Coward User ID: 1010412 United States 05/18/2018 12:55 PM Report Abusive Post Report Copyright Violation | Re: How the hell does a Smartphone still manage to still Sync the correct time in a Subway with No Service? Like, when you're deep underground in a Subway or Metro station, and you have no 3g or 4g and no wifi Quoting: Obnoxious Pakistani UK 76584155 But the clock on your iPhone still carries on ticking away like normal. It shows a consistent time. Then when you go back to a place where there's service, no minutes are lost and it all syncs properly If it don't use 3g or 4g and no wifi, then what does a smartphone clock use? lol [link to www.st.com] "It offers a very low frequency error at 25 °C which equates to about 5 seconds per month..." Almost all electronic devices use a RTC to maintain time. |
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