How To Use Your Smartphone As A Door Card

Step 1. Download the apk from here: shorturl.at/ipxy3
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The aim of this video is to walk you through the steps of registering your NFC card on your smartphone. it is a 48 seconds video if you found this video helpful consider giving it a tumbs-up and subscribe for more interesting smartphone videos like this.

NOTE: your phone must have an NFC for this to work, also these are the following brands that are supported, Huawei, Oppo, Xiaomi, One plus, Realme and Vivo.
So, even if you have the app it might not work for everyone, good luck.