This activation requires that you already have an MFC Dongle or an iMFC Activation, and iBus S4/5 Adapter, and a registered account on the MFC website.

This activation will Activate support access to firmware downloads on your mfc account and allow you do restore/update by using mfc software for the iBus S4/5 Adapter supported models below:

Watch Series SE
Watch Series 5
Watch Series 4

Enter your MFC registered username and complete your purchase, access will be granted within 5 min to 24 hours.

You can view all iBus activations Here