this may help you with RFID ☞ f-droid.org/packages/de.syss.MifareClassicTool/

This is a low-level tool for reading, writing and analyzing MIFARE Classic RFID tags.
It is designed for users who have at least basic familiarity with the MIFARE Classic technology.
It provides several features to interact with (and only with) MIFARE Classic RFID-Tags.