TP-Link C 21 Custom ROM (US)

TP-Link C 21 Custom ROM (US)

TP-Link C 21 Custom ROM (US). Tested on TP-Link C 21. Includes installation notes.

Unlock

Version: v4.9.6
Size: 2.9 GB
Updated: Jan 2, 2026
Type: application/zip
Category: TP-Link C 21

Before you flash

Back up your data and check the model number. Flashing the wrong firmware can brick the device.

Versions

v4.9.6This versionDec 31, 20252.9 GB
v3.0.12Nov 11, 20252.1 GB
v2.4.9Sep 29, 2025883 MB
v1.8.20Aug 3, 20251.9 GB

Download a lot?

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Not sure it is the right file?

Our team can point you to the exact build for your model.