All Android devices have NFC reader on the back side.
NFC reader might be at the top or middle or bottom of your device. Please check product specification of your brand to locate the NFC reader.
-
Samsung: The link below will guide you to Samsung's homepage where you can find the location of your NFC detection area with the help of pictures: https://www.samsung.com/hk_en/nfc-support/#devicelist
Google Pixel: To find the NFC detection area for your Google Pixel phone you can follow the link below. You will find the location of the NFC antenna shown on sketches: https://support.google.com/pixelphone/answer/7157629
For rest of the brands, please visit to the brand website, select your model and look for NFC location in Specifications or FAQs
