---
title: "Update system firmware"
method: POST
path: "/api/system/OTA"
tags: ["system"]
---

# Update system firmware

`POST /api/system/OTA`

Upload and apply new firmware via OTA update

## Response `200`

Firmware update successful

## Other responses

- `400` — Invalid firmware file
- `401` — Unauthorized - Client not in allowed network range
- `500` — Internal server error

## Changes

> 55 revisions in range; 1 could not be searched.

- **2026-01-16** `c1f67f8e353a` — 1 info
  - added the media type `text/plain` for the response with the status `200`
- **2025-05-21** `fbde020a903a` — 1 breaking
  - removed the media type `text/plain` for the response with the status `200`

[Change history](https://skmtc.dev/bitaxeorg/apis/esp-miner-api/changes/api/system/OTA/post.md)

---

[API](https://skmtc.dev/bitaxeorg/apis/esp-miner-api.md) · [All operations](https://skmtc.dev/bitaxeorg/apis/esp-miner-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/bitaxeorg/esp-miner-api/revisions/59cd9f6d434b/schema)