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Configurable UUID

Hello,

I want to change the 16-bit of 128-bit UUID at runtime. is this possible?

let me explain...

1)the first both central and peripheral set 128-bit UUID like this....

6e400000-b5a3-f393-e0a9-e50e24dcca9e

  1. now after connection the central send 16-bit service UUID to peripheral this will overwrite too 0x0000 number and disconnect from central and than after advertise with newer one service UUID like this..

6e400004-b5a3-f393-e0a9-e50e24dcca9e

is this possible?

please correct me if i m wrong..

thank you..

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