> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hologram.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Rename SIMs

> Rename multiple SIMs at once using custom prefixes to improve organization and identification across your fleet. This action helps maintain consistent naming conventions and makes device management more efficient.

Consistent naming conventions help you identify SIMs quickly. Read more about [how to organize your fleet](/guides/sims/how-to-organize-your-fleet).

## How to rename a single SIM

1. Open a SIM from the SIMs pages or using global search.
2. Click the **name** of the SIM in the header of the SIM's details page.
3. Enter the new name.

## How to rename SIMs in bulk

1. Navigate to the **SIMs** section in your dashboard.
2. Use filters to find and select the SIMs you want to rename.
3. Click the **Manage SIMs** menu at the top of the page and choose **Rename SIMs**.
4. Enter your desired name prefix. The last 5 digits of the SIM's ICCID will be appended to the prefix to create the new name.
5. Confirm your selection.

## How to rename SIMs using the REST API

<Card title="Rename SIMs using the REST API" href="/guides/rest-api/rename-sims-using-the-rest-api">
  Overview of how to rename SIMs with custom or sequential names using the REST API.
</Card>

<Card title="REST API endpoint" href="/api/1/devices/names/post">
  Update device names (bulk) <code>POST /devices/names</code>
</Card>

## Related guides

<Card title="How to organize your fleet" href="/guides/sims/how-to-organize-your-fleet">
  How to organize your fleet
</Card>

<Card title="Tag SIMs" href="/dashboard/sim-actions/tag-sims">
  Tag SIMs to organize your fleet.
</Card>