We have collected together some simple applications that you can download and install to test your device and connectivity.
NFC application that reads/writes NDEF tags Download source code
Read a simple NFC Tag NXP Tag Info
How to write a NFC Tag NXP Tag Writer
Read, write and program tasks on your NFC tags NFC Tools APK
Test that your SMS messages are working SMS Messaging APK
How to test you internet speed Speed Test
Test that your GPS is working GPS APK