How is it that the phone keeps popping up such an interface?

Turn off the circled ones in my picture and you'll be fine. This is caused by the fact that the nfc switch is not turned off and the mobile phone touches nfc devices such as ID cards and bank cards.

I sometimes put my ID card and mobile phone in one pocket and often remind you.

if you can't find it in the shortcut switch, enter the settings. In more connections, there is also an nfc switch. Just turn it off.

when you encounter a magnetic card, a bank card, etc., it will appear. Generally, nfc is turned on in this mobile phone, which can be turned off through the following picture.

the NFC sensor area on the back of the mobile phone senses a magnetic field, such as bank cards, ID cards and all magnetic card devices.

Solution:

As soon as the mobile phone is kept away from these card devices with magnetic fields, it can return to normal.

second, turn off NFC in mobile phone settings, which can be turned off in Settings-Search-NFC, usually at the connection between Bluetooth and devices.

Turn off the nfc card reading function. In the settings,

this topic is a bit interesting.

first of all, this problem is caused by NFC function. So what is NFC?

what is NFC for mobile phones?

NFC, official explanation: short-range wireless communication technology. It is actually a chip mounted inside the mobile phone, which can be simulated into a bus card, an access card, a bank card, etc., and can be swiped on the consumer terminal when needed, which greatly facilitates people's lives.

Now, Xiaomi, Huawei, Samsung, Nubia, Yijia, Meizu, Hammer and other mobile phones all support NFC function.

what are the usage scenarios of NFC function?

1. Contact pass, which can simulate traffic cards and access cards. You can pass the mobile phone near the card reader, saving you the trouble of carrying various cards when you go out.

2. Charge the transportation card. If you are used to using the transportation card, turn on your NFC function, put the transportation card close to your mobile phone, and then recharge it according to the prompts. You don't have to wait in line or take cash to recharge it.

3. Contact payment, which can simulate a bank card, pay directly near a POS machine embedded with an NFC module, and confirm the transaction.

4. Contact and connect two NFC devices to see what happens. It can carry out peer-to-peer data transmission, such as downloading music, exchanging pictures and exchanging address books.

5. Contact browsing. You can connect NFC mobile phones to smart public telephones or posters with NFC function on the street to browse traffic information.

6. Download contact. Users can receive or download information through GPRS network for payment, access control and other functions. As mentioned above, users can send short messages in a specific format to the domestic servant's mobile phone to control the domestic servant's access to the house.

7. Brush the yellow car. Now some bicycles also support NFC contact unlocking, which saves a series of processes such as unlocking the screen, opening the app, clicking the scan code, waiting for communication, etc. You can unlock the car with one touch, which is faster.

After reading the picture

, you can see that the desktop that pops up is caused by the accidental touch of NFC function, such as bus card, ID card, bank card, access control, etc., which can all cause NFC identification.

the solution is to turn off NFC, given your OPPO phone. The method is as follows.

Find the phone settings on the desktop, and open the phone settings

Find other settings in the settings

Open other settings and you can find the NFC switch

Or you can drop down the status bar and set it quickly

The phone has NFC enabled. And is it next to your bus card?

This is a bound card, and you pressed the shortcut key again. Just unbind the card.

the nfc function of the mobile phone is turned on, and it is most likely that the mobile phone has touched an ID card, a bank card, a smart lock and the like! I hope I can help you!

turn off NFC, or don't put your mobile phone with cards such as bank cards!

I won't repeat what NFC is because the respondent has explained it in detail.

all you have to do is turn off the NFC function of your mobile phone.

Android phone: Settings-More Connections -NFC- Off

If this function is on, then try to stay away from bus cards, bank cards and access cards. If you get close, it will trigger the software card reading function.