Open a folder where Octoplus Box Samsung software has been installed
Run a file: updater.exe (inside Octoplus Box Samsung software folder)
Choose "I have the activation code" and press "Next"
Complete update procedure with activation code that you've received
* Developer provides support only for those phones which are on the
list of supported. Not all servicing features can be applied to some
supported models, due to difference of hardware / software versions.