Please pre-install the "NFC Tasks" and "NFC Tools" on your cell phone before use. You can download them from Google Play or below address:
"NFC Tasks": https://nfc-app.b0.upaiyun.com//nfc-app/NFCTasks.apk
"NFC Tools": https://nfc-app.b0.upaiyun.com//nfc-app/NFCTools.apk
How to use: (An example for editing to turn on/off WiFi)
