This often happens when traveling or after a software update resets the location parameters. A poor connection can cause the sync to time out, leaving the device stuck on an old timestamp.
Reset Location Parameters to Fix iPhone Time Sync Issues
You should toggle the setting off, wait a few seconds for the old data to clear, and then toggle it back on to initiate a new sync. This issue typically stems from a misconfiguration in the network settings or a conflict within the device’s internal clock, rather than a hardware defect.
Dealing with Jailbroken Devices and Configuration Profiles. Open the Settings app on your home screen.
Reset Location Parameters to Fix iPhone Time
Tap General , then select Date & Time. Toggle Airplane Mode on for 10 seconds to reset your cellular radio and network connection.
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