The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License.
Find anything that can be improved? Suggest corrections and new documentation via GitHub.
Doubts on how to use Github? Learn everything you need to know in this tutorial.
Check the SIM if PUK code is correct and establish new PIN code.
puk : String with the PUK number to check
pin : String with the PIN number to check
int : Returns 0 if successful, -1 if it is not.