What happens to alarms if I leave the clock set manually and it drifts off?

Alarms and reminders follow the system clock exactly. A manually set time that drifts will make alarms fire earlier or later than expected until you correct it or re-enable Use network-provided time.

Can disabling automatic date & time break other apps?

Apps that check a server timestamp, such as banking or messaging apps, can reject logins or show sync errors if your manual time is off by more than a few minutes. Re-enabling Use network-provided time usually resolves this.

Does a system update turn automatic date & time back on by itself?

Normally the setting stays as you left it through an update. Check Settings ➔ Additional settings ➔ Date & time after a major update to confirm the toggle still matches what you want.

Xiaomi

Xiaomi: Turn Automatic Date & Time On or Off

If your Xiaomi phone shows the wrong time after a trip or SIM swap, the automatic time sync is likely still active. Automatic date & time relies on network-provided time, which can lag or fail when signal is weak. Turning it off lets you set the clock manually instead.

Updated: 04.08.20263 min4 steps

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Xiaomi

Turn Automatic Date & Time On or Off auf Xiaomi

Xiaomi phones sync date and time automatically through the mobile network or Wi-Fi connection. This works well most of the time, but weak signal, airplane mode, or a recent SIM swap can delay the update and leave you with an incorrect clock.

The setting responsible for this behavior is called Use network-provided time. As long as it stays enabled, MIUI overwrites any manual changes you make to the date or time fields.

Where to find the setting

Open Settings ➔ Additional settings ➔ Date & time and look for Use network-provided time. Disable the toggle to unlock manual date and time fields, or enable it again to let the network take over.

Turning the option off makes sense when you travel across time zones faster than your carrier updates, when you use a local-only SIM without data, or when you deliberately want a different displayed time for testing an app. In every other case, keeping automatic time on avoids missed alarms, wrong timestamps in photos, and login errors in apps that check server time.

Frequently asked questions

Network time depends on your carrier signal reaching the phone. Toggle Use network-provided time off and back on, or restart the phone, then wait a minute for the network to push the correct time.

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Android 11 · MIUI

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Xiaomi: Turn Automatic Date & Time On or Off

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