What is the number at the beginning of 10?

The number starting with 10 does not belong to any region, but is a service number. For example, the customer service numbers of China Mobile, China Unicom and China Telecom all start with 10, which is convenient for users to remember the numbers quickly. If they don't want to receive short messages, they can turn on the harassment interception function on the information setting page.

Mobile phone usage skills: 1, iPhone 1 1 can't connect to the network, maybe there is a bug in the system, so you can try to restart the mobile phone; Maybe the router is broken, so you can restart the router, or you can enter the mobile phone wifi list, cancel saving the wifi password, and then reconnect the wifi.

2.iPhone 1 1 can adjust the media volume, turn on the phone, click the Settings button to enter the system settings page, click the sound, and touch to set the ringtone volume.

3.iPhone 1 1 has dark mode. Open the display and brightness setting page and click "dark" to open it.

4.iPhone 1 1 supports Siri. You can wake up by voice, turn on the phone, click Settings, enter the iOS 13 settings page, and click Siri and Search to set the wake-up mode.

Data expansion: DarkMode is one of the new functions of iOS 13, and it is also the biggest visual effect change made by Apple to the iOS system after iOS7, which brings a system-level dark mode, and all official applications support dark mode.

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