How to switch cards for SMS on Apple mobile phones

2. Enter or click [+] to enter the recipient's mobile phone number, and then the content of the SMS;

3. Click on the default SIM card, and a prompt will pop up at the bottom of the screen to select the primary and secondary card numbers, and select the secondary card number to switch to the secondary number for SMS.

Extended Information: Tips to Extend iPhone Battery Life:

1.Make it a good habit to recharge.

Charge the battery in time when the iPhone prompts a low battery to avoid automatic shutdown caused by too low a battery, and try to replace the battery if the battery efficiency is less than 80%.

2.Upgrade to the latest version of iOS 14

Apple has added a new feature called "Optimize Battery Charging" in iOS 14, which can intelligently learn and judge the user's usage and charging habits, making 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.

How to view: The "Optimize Battery Charging" function can be viewed in Settings - Battery - Battery Health

3.Disable background app refreshes.

Since iOS 7, apps can and do use battery life when running in the background. You can see how much time the app is running in the background. If an app runs out of too much power when it's not in use, you can disable background app refresh to prevent it from running in the background.

If the app is draining too much battery, we can also choose to uninstall it!

4.Enable Low Power Mode.

iOS 9 adds a new "Low Power Mode" feature that allows your phone to save more power. When Low Power Mode is enabled, your screen dims slightly, restricting background processes, slowing down your processor slightly, or reducing the amount of energy your device needs during normal use.

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

You know, some push notifications, app notifications, email read notifications, and so on, all of these can shorten the battery life, so if you want your iPhone to have a longer battery life, it's best to turn it off. Notifications can be turned off in "Settings" for each app.

For work needs, many people have bought an iphone11 that can be equipped with a primary and secondary card. But do you know how to switch the main and secondary numbers when sending text messages on the iphone11 mobile phone with dual SIM and dual standby? Let's take a look at how to switch the main and secondary numbers when sending text messages on the iphone11 phone.

When you send a text message, there is an icon of a mobile phone card below the phone, you can switch the card by clicking on it, there should be 1 2 on it, you can use that card to send it, just click on that.

System: This one is divided into three cases:

1.Send an SMS to a number saved to your address book, and after entering the number, you can directly click the main number or secondary number to switch, as shown below.

2.Send a text message to the number that has been saved to the address book, this is a little troublesome, you need to find this number in the address book, click that "default", set the main and secondary numbers according to your needs, and then click to send a text message (hit ** The same setting), look at the picture.

Here's how to switch between Apple Dual SIM and texting:Tools Ingredients: iPhone11, iOS15, Local Settings.

1. Open the SMS dialog box and click the sender number at the top.

2. Click on the call number to switch the main and secondary cards.

3. If Tanshiguo is a new SMS, you only need to enter the recipient's information, and then click the ** card button to switch the head.

First unlock your iPhone 12 and tap on the info icon in the system.

Then in the information page that opens, as shown in the image below, select the icon in the top right corner.

Then in the page that opens, as shown in the image below, select the icon with the plus sign.

Once you've selected your contacts, click on the main number option below as shown in the image below.

Finally, select the number you want to switch, enter the SMS content, as shown in the figure below, and click the send icon to complete.

Hello! This is usually prompted to select the ...... of the sending number when sending a text message