We have 1000s and 1000s of devices and can easily Update them. It's not hard. The devices also has multiple micros and they can individually be updated and ro

We have 1000s and 1000s of devices and can easily Update them. It's not hard. The devices also has multiple micros and they can individually be updated and rolled back. It's not really hard to implement. Though in our case we had to build a lot of the infrastructure anyways for other reasons.