How to use a mobile phone as an elevator card

If the mobile phone has NFC function, it can be used as an access card, and some places support bus cards and all-in-one cards. Write multiple access cards into your mobile phone, just take a mobile phone with you when you go out, instead of taking multiple "IC cards". Let's take Huawei's mobile phone supporting NFC as an example to talk about how to use it.

Step 1: Check whether the mobile phone supports NFC function, and turn on the settings of the mobile phone and the device connection to see if there are NFC options, as shown below.

Step 2: Open Huawei wallet application. You can see the option of "door key" after entering. Click to enter this function, as shown in the figure below.

Step 3: After entering the "door key" function, stick your access card on the NFC card reader of the mobile phone, and the mobile phone will automatically turn on the NFC function to read the information of the access card. After reading successfully, click the "Add" button below to add successfully. Details are shown in the figure below.

Step 4: After the access card is successfully added, you need to click "swipe card" in your wallet, select "access card", and after verifying the fingerprint, put the mobile phone into the card reading area of the access card to realize the card swiping function. Compared with ordinary access cards, the operation is somewhat "cumbersome".

How to check the NFC chip of mobile phone

First of all, not all smartphones have NFC function. Copy the access card, the phone needs NFC chip. For example, Xiaomi mobile phone can check whether there is NFC option in "Settings-More Connection Methods".

How to copy an access card

If we see that the mobile phone has NFC function, we can enter the Xiaomi Wallet application. After entering, we can find the "access card simulation" icon below and start copying access cards.

And then put

The access card is placed in the NFC sensing area of the back cover of Xiaomi mobile phone, generally near the rear camera, and then the access card is read. Some access cards are not supported. If not, you will be prompted.

If the access card supports simulated copying, it will prompt "Detection succeeded", and then click "Start Simulation" to copy the access card. After that, you will jump to the personal authentication interface. You need to authenticate your identity information and Xiaomi account password, and you can authenticate according to the prompts.