[Q] Does NFC tags work on magnetic surface? topic

does NFC tag work if it is attached to a magnetic surface ? i know NFC is also done by magnetism so i dont know if it will disrupt it?

[Q] Need Help With nfc tags on note 4 (SM-910G) topic

I have a mifare classic 1k nfc tag
when i scan it using nfc tools app it says "NXP Mifare classic 1k"
but when i scan with mfclassic app it says that the tag is not a valid mifare tag
and my device is not supported
pls help me in cloning the data in my nfc tag