# Change modem rotation

In this case study, we will look at how to set up or change modem rotation.

To change the modem rotation, follow the steps below:

1. Get a list of your modems and select one of them. You can get a list of modems [by host](https://docs.proxy-seller.com/mobile-crm/usage-guides/host-actions/list-of-host-modems) or [`without host`](https://docs.proxy-seller.com/mobile-crm/usage-guides/modem-actions/get-all-modems).
2. Use the following method from our API [`Set or change modem rotation`](https://docs.proxy-seller.com/api-reference/modems#set-or-change-modem-rotation)

Example of successful execution of a request:

{% hint style="info" %}
successful answer has no body, the success state is determined by the status 200
{% endhint %}