Deco S4 v2
Gone quiet well evidenced
no firmware for long enough to stand out against its own record
761 days since the last release against a median gap of 209 (3.6x)
- Last firmware
- 29 August 2024 (2 years ago)
- Releases seen
- 8
- Update rhythm
- about every 7 months
- Support observed
- ≥5 years
- Vendor's promise
- no support period we can evaluate
- Patch latency
- not measurable — its changelogs name no CVE ids
Which one do I have?
TP-Link ships this model in more than one hardware revision, and they do not share firmware. The revision is printed on the label on the underside, usually after the model — Ver 1.0, V4.6. Getting it wrong is the easiest way to read the wrong answer here.
- Deco S4 v2.6 (US) Gone quiet 5 releases
- Deco S4 v2.8 (US) Gone quiet 5 releases
- Deco S4 v3.26 (US) Gone quiet 1 releases
- Deco S4 v3.46 (US) Not enough evidence 1 releases
- Deco S4 v3.6 (US) Slowing down 3 releases
- Deco S4 v4.6 (US) Gone quiet 2 releases
Firmware history
-
Deco S4(US)_V2_1.6.2 Build 20240718 29 August 2024
Release notes — disclosure 0.06
Fixed some security vulnerabilities.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_1.6.1 Build 20231228 30 January 2024
Release notes — disclosure 0.06
Fixed some security vulnerabilities.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_1.5.1_220113 29 January 2022
Release notes — disclosure 0.56
Modifications and Bug Fixes: 1. Optimized the client list module. 2. Increased the number of URLs for each category in the parental control function. 3 Improved system reliability. 4. Fixed the bug that Deco loses Internet connection under some ISP lines. 5. Fixed the bug that port forwarding does not work in some scenarios. 6. Fixed the bug of not being able to add KASA devices on the app.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_210607 15 July 2021
Release notes — disclosure 0.53
Modifications and Bug Fixes: 1. Optimized the IPTV/VLAN feature. 2. Added Network Optimization feature. 3. Added the switch of "ignore Ping from WAN". 4. Added the feature of changing the owner account. 5. Add the "Service name" and "Access name" options when the Internet Connection Type is PPPoE. 6. Improved system security and reliability.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_200918 30 September 2020
Release notes — disclosure 0.43
Modifications and Bug Fixes: 1. Fixed the Wi-Fi encryption type as WPA2-PSK [AES] to ensure the security of the Wi-Fi connection. 2. Added the option to change the Wi-Fi encryption type.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_20200727 12 August 2020
Release notes — disclosure 0.06
Modifications and Bug Fixes: Enhanced total security.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_200628 21 July 2020
Release notes — disclosure 0.48
Modifications and Bug Fixes: 1. Added switch for the UPnP function. 2. Add Google Assistant support. 3. Added isolation switch for the main network and guest network in Access Point mode. 4. Improved performance and stability.
Archived page, fetched 29 September 2026
-
Deco S4(US)_V2_191023 25 December 2019
Release notes — disclosure 0.30
First firmware release.
Archived page, fetched 29 September 2026
Evidence
2 archived pages sit behind this record, the earliest read on 1 August 2026. Everything above was read from them, and each is kept byte for byte so it can be checked after the vendor edits the original.
Identifiers: marketing_name Deco S4 · openwrt_id tplink_deco-s4-v2
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.