Nfc (Optional); Memory Cleanup - Newland NLS-MT90 User Manual

NFC (optional)

To enable the NFC feature, tap the app icon
Then you can install an NFC writer on the MT90 to read and write NFC tags.

Memory Cleanup

Tap to unfold the App list then tap
43
->"Connected devices" ->"NFC", and then turn on NFC.
to clean up the memory.