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Manual for BL-521 5_3.doc © Copyright Brainboxes Limited 2004 Page 27 of 41
Select the COM port to which you have connected
your product. (Remember to close the Configuration
Utility or Hyperterminal application if you still have
either open)
Then Click “Next”.
Point the upgrade wizard to the upgrade file you
wish to use.
These upgrade files all have the extension .dfu and
the latest version is available from the Brainboxes
website.
Confirm you have made the correct selections by
clicking “Next” to start the upgrade procedure.