Verizon has announced that Android 6.0 Marshmallow update is rolling out now to Droid Turbo 2. Earlier in February Verizon has posted information to its DROID Turbo 2 support pages suggesting that the Smartphone is set to receive Android Marshmallow. Although within a couple of hours the information is pulled off from the support Page.
The update looks to be rollout in two parts. The first will arrive as software version 23.31.24, before the big dog 24.14.10 shows up. It’s the second update that takes you to Marshmallow.
If you still did not get the notification for OTA yet.Than search it manually on the smartphone by going through the settings.