Hello, guys I don't understand that my mobile model claims that it has NFC antenna but it does not show any NFC option in the device settings. Can any one help through this..

Hello guys, i have been using the galaxy m53 since 1year, now iam facing a problem that the pdf and word files or any other type of files aren't Opening and its giving a pop up as "unable to read Qr code".Is any one to sort out this problem for me..?...