---
title: "Update SIM (Deprecated)"
method: PATCH
path: "/assets/{asset_id}/sim"
tags: ["Assets"]
deprecated: true
---

# Update SIM (Deprecated)

`PATCH /assets/{asset_id}/sim`

> **Deprecated.**

Update an asset's SIM properties.

<b> This endpoint is deprecated and will be removed on September 1, 2026. Please use the Update Asset endpoint instead. </b>

***network_group*** — string, optional

**default_100mb:** Default networks with 100MB data usage restrictions. <br />
**default_1gb:** Default networks with 1GB data usage restrictions. <br />
**default_10gb:** Default networks with 10GB data usage restrictions. <br />
**default_unlimited:** Default networks without data usage restrictions. <br />

**Note:** Either choose a predefined network group above or use one of your existing custom network groups with network group name.

***status*** — string, optional

**active:** Activate the SIM, allow SIM to connect to base-stations when you activate a SIM. If its not charges for current month yet, we will charge 2$ (1.6$ for customers who has more than 10 active SIMs) monthly SIM price. <br />
**inactive:** Deactivate the SIM, prevent SIM from connecting to base-stations.

## Path parameters

- `asset_id` string, required — Serial Number, UUID, SIM SID or SIM ICCID

## Headers

- `x-forwarded-for` string

## Request body

- UpdateSimRequest
  - `network_group` string
  - `status` 'active' | 'inactive'
  - `fleet` string — Deprecated, use 'network_group' instead

## Response `200`

Success

- UpdateSIMResponse
  - `message` string
  - `updated_fields` string[], required — List of SIM fields that were updated. Possible values: 'network_group' (same as 'fleet') and 'status'

## Other responses

- `400` — Bad request
- `404` — Not found
- `422` — Validation Error
- `503` — Service Unavailable

---

[API](https://skmtc.net/sixfab/apis/sixfab-developer-api.md) · [All operations](https://skmtc.net/sixfab/apis/sixfab-developer-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sixfab/sixfab-developer-api/revisions/24ad88fd2124/schema)