# UB400 1.0 — Consumer router firmware support — end-of-life status and dates by vendor and model

For UB400 1.0, vendor is TP-Link; end of firmware/security support is 6/28/2025, recorded from its source on 2026-08-11.

- **Vendor:** TP-Link _(our reading, not quoted from the source)_
- **Model:** UB400 1.0 _(verified: appears in the quote below)_
- **End of firmware/security support:** 6/28/2025 _(verified: appears in the quote below)_

## What the source says

> Adapter-Bluetooth USB Adapter Bluetooth 4.0 Nano USB UB400 1.0 UN 12/30/2024 6/28/2025

## Source

- https://static.tp-link.com/upload/manual/2026/202606/20260624/US%20EOL_List_Home%20-%20V8.1.pdf

Last verified: 2026-08-11. Review by: 2026-11-09.
Part of [Consumer router firmware support — end-of-life status and dates by vendor and model](https://referencesource.org/router-firmware-support-status/).