# TP-Link Deco S4(3-pack) 2.0 — firmware and security support status For TP-Link Deco S4(3-pack) 2.0, end of firmware/security support is 1/27/2026, verified against its source on 2026-09-08. - **Vendor:** TP-Link _(our reading, not quoted from the source)_ - **Model:** Deco S4(3-pack) 2.0 _(verified: appears in the quote below)_ - **Regional specification:** US _(verified: appears in the quote below)_ - **End of service announced:** 7/27/2025 _(verified: appears in the quote below)_ - **End of firmware/security support:** 1/27/2026 _(verified: appears in the quote below)_ ## What the source says > AC1200 Whole Home Wi-Fi Deco S4(3-pack) 2.0 US System 7/27/2025 1/27/2026 ## Source - https://static.tp-link.com/upload/manual/2026/202606/20260624/US%20EOL_List_Home%20-%20V8.1.pdf Last verified: 2026-09-08. Review by: 2026-12-07. Part of [TP-Link and ASUS routers and network gear — end-of-life and end-of-support dates by model](https://referencesource.org/router-firmware-support-status/).