Android Question How to SetName of local Bluetooth device ?

Hi

What is the correct way to change to change the name of a local Bluetooth device?

All clues appreciated...
Thanks in advance
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Dim i As Intent
i.PutExtra("android.bluetooth.adapter.action.SETNAME", "NEWNAME") 'change to a new name

Then nothing happens ? Am obviously not doing it right and there are no clues anywhere on how to do it
erhaps u r clued up and can help thanks