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How to enable OTA Multicast option in NXP Test Tool?

Question asked by joachimk on May 22, 2017
Latest reply on Jun 6, 2017 by pavel.krenek

I'm using NXP Test Tool to Over-The-Air update the firmware of multiple target platforms (based on KW41z).

Updating a single module takes arround 5 minutes. But if a update 10 module at once, OTA time will increase to approx. 30 minutes!

In NXP Test Tool Software, there is a (greyed out!) checkbox for enabling OTA Multicast, which I can't set to active.

What can I do to enable OTA Multicast?

Are there some other performace optimizations I can do, to speed up OTA process?