New features of iOS 18: iPhone 15 series can still display time after the battery is exhausted and can flash NFC

According to news on June 13, starting from the iPhone XR/XS, Apple has launched a "power reserve" function. When the battery is exhausted, it can support NFC and search for location within a few hours.

After experience, the iPhone 15 series has brought new features after upgrading to iOS 18, which can continue to display time, search function availability and other information on the screen after the battery is exhausted.

This feature is exclusive to the iPhone 15 series and cannot be implemented on the iPhone 14Pro Max. It is unclear why Apple displays this feature on older devices.

It is worth noting that Huawei has also launched an "emergency mode" with similar functions starting from the Mate50 series, but it has richer functions and can be used when the battery is almost out. In this case, you can still make calls and scan QR codes.

According to Huawei laboratory test results, when the energy-concentrating pump is intelligently activated when the battery is 1% low, the phone can continue to stand by for 3 hours, or make calls for 12 minutes, or flash the QR code 10 times, or scan the QR code 4 times, and It will not damage the battery life and solve the urgent needs of users.

When the battery is about to run out, the phone will pop up a notification saying "it will enter emergency mode within 60 seconds", and then enter a pure black display that is somewhat similar to the screen display effect. The background is similar to Apple's battery drain interface.

The difference is that Apple only displays information, while Huawei makes calls, sends messages, scans, etc. It can also make emergency calls before disconnecting, or scan a shared power bank to extend life.

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