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Changing and Reconnecting Alexa's Wi-Fi

What to do when the network changes underneath a device that was working perfectly yesterday

  • 5 min read
  • 6 questions answered
  • Last reviewed August 2026
Independent publisher. Not affiliated with the manufacturer of any product described here. Written guides only — no support, advisers or repairs. Read noticeClose

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We publish written reference material only. We provide no phone support, no human advisers, no remote assistance, no diagnostics, no account recovery and no repair services, and we never request credentials, passwords, or payment details. The search assistant in the corner of this page is an automated tool that returns links to pages on this site — nobody staffs it and it cannot help with a device. For help with a device you own, contact the manufacturer or the retailer who sold it.

Why 2.4 GHz

Range beats speed for a speaker

wall wall router 2.4 GHz 5 GHz still usable fading

Illustrative only. Actual reach depends on the building, the router and what else is nearby.

Changing the Wi-Fi on Alexa is done entirely in the Alexa app — the device itself is not touched. You open the device's settings, choose the Wi-Fi network entry, and give it the new network name and password. The Echo then leaves the old network and joins the new one.

The part that catches people out is why it suddenly needs doing. An Echo stores the network name and password it was handed during setup. Change either one and the stored details stop matching anything the device can find. Nothing has broken and nothing has been forgotten — the device is looking for a network that no longer exists under that name.

Question 01How do I change the Wi-Fi on Alexa?

Through the Alexa app, in the settings for that specific device. The route is: open the app, go to Devices, choose Echo & Alexa, tap the device you want to move, then open its Wi-Fi Network setting. From there you pick the new network and enter its password.

Question 02What changes when a router is replaced?

A replacement router almost always publishes a different network name, a different password, or both. Every device that stored the old details is now holding a reference to something that no longer exists under that name.

Question 03How do I reconnect Alexa to Wi-Fi after changing the password?

The same route through the app. The device is still registered to your account and still knows who it is — it just holds a password that no longer opens the door.

Keep reading. The underlying network questions — bands, mesh, guest networks — are covered in full on the Wi-Fi page. Open that page.

Question 04How do I connect Alexa to a new Wi-Fi network in a new home?

Same procedure, one extra consideration.

Question 05Do I have to set the device up again from scratch?

No. Changing a network is a settings change, not a fresh setup.

Question 06Why does every smart device in the house go quiet at once?

Because they were all told about the same network, and that network changed for all of them simultaneously.

Quick answers

Can I change Alexa's Wi-Fi without the app?

Not in any practical sense. The Alexa app is the tool for this on screenless models. Screen-equipped Echo Show devices can do it through their own on-screen settings.

Does changing the Wi-Fi affect my routines?

No. Routines, alarms, timers, lists and preferences live with your account and the device's identity, not with the network it happens to be using.

Can I connect an Echo to a mobile hotspot?

Usually yes, provided the hotspot is on and reachable at the moment the device tries to join. Bear in mind that the device will look for that hotspot whenever it powers on, and will sit offline whenever the phone providing it is elsewhere.

Do I need to change the Wi-Fi on each device separately?

Yes. Each Echo holds its own network details, so each one is updated in turn. A household with five devices is five short trips through the same screen.

My new router has the same name as the old one. Do I still need to do this?

Only if the password changed too. If both name and password match what the devices already hold, they rejoin by themselves once the router is up.


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