Default EV3 card Key change

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Default EV3 card Key change

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felixyoma4u
Contributor I

Hi, I am developing an android application, and i want to be able to change the default application key to another key. I am Having issue with using the changeKey method in the taplinx sdk, i created an application using the default card key and now i want to change the key. But the changeKey method is not able to effect the change, what might i be doing wrong. Kindly assist, a code snippet will be much better. Thank you

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ukcas
NXP Employee
NXP Employee

Dear felixyoma4u,

Please provide your code snippet at the position where you would like to change your key. Are you authenticating with KeyNo 0? As that key has access rights to change other keys.

Best regards,

TapLinx team

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