iphonexs is a single card and does not support dual card dual standby. Foreign dual cards are different from domestic dual cards. The main reason is that we do not have a virtual card, so if you want to use dual cards, you must have one Two card slots are enough, but the situation abroad is different. Only one card slot is needed to achieve dual card dual standby.

So for our domestic consumers, only iPhone XS Max and iPhone Card.

Extended information:

Tips to extend the battery life of your iPhone:

1. Develop good charging habits

On Apple phones Please charge in time when the battery is low to avoid automatic shutdown caused by low battery. If the battery efficiency is lower than 80, try to replace the battery.

2. Upgrade to the latest version of iOS13

Apple has added a new feature called "Optimize Battery Charging" in the launch of iOS 13, which can intelligently learn and Determine the user's usage and charging habits to make the charging process more balanced, thereby slowing down the aging of the battery and improving the battery life of the iPhone to a certain extent.

View method: The "Optimize Battery Charging" function can be viewed in Settings-Battery-Battery Health~

3. Disable background application refresh

Since iOS Starting with 7, apps can and do use battery life while running in the background. You can see how much time the app has been running in the background. If an app uses up too much battery when you're not using it, you can disable background app refresh to prevent it from running in the background. If the application consumes too much power, we can also choose to uninstall it!

4. Enable low power mode

iOS 9 adds a new "Low Power Mode" function to save more power on the phone. When Low Power Mode is enabled, your screen dims slightly, limits background processes, slows down your processor slightly, or reduces the amount of energy your device requires during normal use.

How to do it: The easiest way to enable this feature is to swipe down from the upper right corner of your iPhone and then click on the battery icon. Or you can enable Low Power Mode in Settings > Battery > Low Power Mode.

5. Turn off certain APP push notifications

Be aware that some push notifications, application notifications, email read notifications, etc., all of which will shorten battery life, so be sure to If you want your iPhone battery to last longer, it's best to turn it off. You can edit each application in "Settings" to turn off notifications.