Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco S4 v4.6

Gone quiet thin evidence

no firmware for long enough to stand out against its own record

978 days of silence, past the 730-day floor that applies where there is no cadence to compare against

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Last firmware
26 January 2024 (3 years ago)
Releases seen
2
Update rhythm
too few releases to model
Support observed
≥6 months
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.

Firmware history

  1. Deco S4(US)_V4.6_1.1.2 Build 20231227 26 January 2024

    Release notes — disclosure 0.06
    Fixed some security vulnerabilities.
  2. Deco S4(US)_V4.6_1.1.1 Build 20230201 3 August 2023

    Release notes — disclosure 0.58
    New features: 1. Support for customizing Satellite Deco signal source. 2. Support for customizing Clients connection preference. 3. Support for Reboot Schedule. 4. Support for NO-IP and DynDNS. 5. Support for setting Effective Time and Bandwidth Limit for guest network. 6. Added Smart DHCP switch under Access Point mode. 7. Added connection type of DS-Lite Auto mode. 8. Added connection type of V6 Plus. Improvements: 1. Improved system reliability and security.

Evidence

One archived page sits behind this record, the earliest read on 1 August 2026. Everything above was read from it, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name Deco S4

Judged by lifecycle-1 on 30 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS