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TP-Link Tapo P100 won't connect to wifi: what to do

The plug won't connect during setup (app keeps searching or shows an error).

We could not fully consult the manufacturer's support page for this model; the steps are general and may differ in details.

Most likely causes

usually this

Router only using 5 GHz or your phone is connected to 5 GHz

  • Check your router settings and make sure the 2.4 GHz band is enabled.
  • Switch your phone to the 2.4 GHz network or temporarily disable 5 GHz on the router.
  • Try connecting again in the Tapo app using the 2.4 GHz network name.
common

Wrong Wi‑Fi password or special characters causing issues

  • Verify the Wi‑Fi password by connecting another device to it.
  • Carefully retype the password in the Tapo app and try again.
common

Router hides the SSID or channel not supported

  • Disable 'Hide SSID' in the router or add the network manually in the app.
  • Move the plug closer to the router during setup to rule out signal/channel issues.
sometimes

Router blocks new devices (MAC filtering or client isolation)

  • Check the router for MAC filtering or AP/client isolation and disable these temporarily.
  • Try connecting the plug again, then re‑enable the security settings if needed.

Factory reset

Warning: a factory reset erases all settings and removes the P100 from your Tapo account; you will need to set it up again.

  1. Plug the P100 into a socket and ensure it has power.
  2. Find the reset button on the plug (usually a small button or a pinhole).
  3. Hold the reset button for about 5–10 seconds until the status LED flashes quickly, then release.
  4. Wait for the plug to restart and show the setup blinking; open the Tapo app and add the device again.

Frequently asked

Does the Tapo P100 work on 5 GHz Wi‑Fi?

No, the P100 uses only 2.4 GHz. Make sure your phone and router use 2.4 GHz during setup.

What does a fast‑blinking LED mean?

It generally means the plug is in setup mode and ready to be added in the app.

Will the plug forget settings after a power cut?

Normally no; the plug keeps settings after power loss. Only a factory reset clears them.

Where should I enter my Wi‑Fi password?

Always enter your Wi‑Fi password in the official Tapo app; do not use third‑party sites or services.

Other problems with this device

Tapo P100 is offlineTapo P100 resetFirst-time setup

Sources

Updated 2026-09-09 · plugfix.vercel.app