Tuya Smart Plug Setup: Tuya Smart and Smart Life App Step by Step

To set up a Tuya smart plug, plug it into a wall socket, install the Tuya Smart app (or Smart Life, but use only one), create an account, tap "Add device" and follow the pairing steps while your phone is on your 2.4 GHz Wi-Fi network. Once the plug appears in the app, you can rename it, add schedules and link it to Alexa or Google Home. Nearly every pairing failure comes down to the 2.4 GHz requirement, a wrong password or weak signal, and each has a quick fix below.

Tuya Smart or Smart Life: which app should you use?

Tuya is the platform behind a very large number of smart plugs, bulbs and switches sold under many brand names. It offers two official apps:

• Tuya Smart, which carries Tuya's own branding.
• Smart Life, the same platform with Tuya's branding removed.

Tuya's own support page says the only difference between them is the branding. In practice, devices built on the Tuya platform generally work in either app. What matters is that the accounts are separate: a device paired in Smart Life won't show up in Tuya Smart, and automations don't carry across. Moving a device from one app to the other means resetting it and pairing it again.

Rule of thumb: if you already use one of the two apps for other devices, stay with it. If you're starting fresh, follow the app named in your plug's instructions. Wattly's instructions use Tuya Smart.

What you need before you start

1. A 2.4 GHz Wi-Fi network. Tuya Wi-Fi plugs connect on 2.4 GHz only. They won't join a 5 GHz-only network.
2. Your Wi-Fi password, typed exactly (case-sensitive).
3. Your phone on that same 2.4 GHz network during setup, with the permissions the app asks for allowed, so it can find the plug.
4. Good signal where the plug will live. If your router is far away, pair the plug near the router first, then move it.
5. A wall socket, not an extension lead, especially if the plug will run a high-wattage appliance later.

Step-by-step: pairing a Tuya smart plug

1. Install the app. Download Tuya Smart (or Smart Life) from the App Store or Google Play and create an account with your email or phone number.
2. Plug in the smart plug. Its indicator should start blinking, which means it's in pairing mode. If it isn't blinking, hold the button for several seconds until it blinks quickly. The exact timing varies by model, so check the quick-start leaflet.
3. Tap "+" then "Add device". The app may detect the plug automatically and show it at the top. If not, choose the category for sockets or plugs.
4. Enter your Wi-Fi details. Select your 2.4 GHz network name and type the password.
5. Confirm the light is blinking quickly and let the app search. This is the default method, often called EZ mode.
6. Wait for the app to confirm the device was added. Keep the phone close to the plug while it works.
7. Name and place the device. Use a name you'll say naturally to a voice assistant, like "Desk lamp" or "Heater", and assign it to a room.
8. Check for a firmware update in the device's settings and install it if offered.

If EZ mode fails: use AP mode

AP mode (sometimes labelled "compatibility mode" or found under a switch in the top corner of the Add Device screen) works differently: the plug creates its own temporary Wi-Fi hotspot, your phone connects to it, and the app passes your Wi-Fi details over that link.

Tuya's support notes that EZ mode depends heavily on router compatibility, while AP mode works with most routers. So if EZ mode times out:

1. Put the plug into AP mode. On many Tuya devices that means repeating the button hold so the light blinks slowly instead of quickly.
2. Choose AP mode in the app and enter your 2.4 GHz Wi-Fi details.
3. When prompted, go to your phone's Wi-Fi settings and connect to the temporary hotspot the plug is broadcasting (the app tells you what to look for).
4. Return to the app and let it finish.

Troubleshooting: the fixes that solve most problems

A few more things worth knowing:

• Some router security settings can block discovery. If you're stuck, a phone hotspot set to 2.4 GHz can be used to pair, after which you can move the plug to your home network from the app (or by re-pairing).
• Guest networks sometimes isolate devices from each other. Pair on your main network unless you've set the guest network up deliberately.
• Resetting usually means holding the button until the light blinks quickly. Then remove the old entry from the app and add the plug again.

Linking Alexa, Google Home and Siri

Set the plug up in the Tuya app first. Voice assistants then link to your Tuya account, not directly to the plug.

Amazon Alexa

1. Open the Alexa app and go to Skills.
2. Search for the skill matching your app (Tuya Smart or Smart Life) and enable it.
3. Sign in with the same account you used in the Tuya app and allow access.
4. Let Alexa discover devices. Your plug appears under the name you gave it.

Google Home

1. Open the Google Home app and tap "+" to add a device.
2. Choose "Works with Google" and search for Tuya Smart or Smart Life.
3. Sign in with your Tuya app account and authorise.
4. Assign the plug to a room in Google Home.

Siri

Tuya plugs aren't native Apple Home (HomeKit) devices. You can still use Siri through Siri Shortcuts: create scenes or shortcuts in the Tuya app, add them to Siri, then trigger them by voice.

Voice control and remote control need internet access. Schedules stored on the plug and its physical button keep working offline.

After setup: what to configure first

• Schedules and countdown timers. Turn a lamp on at dusk, cut power to a TV unit overnight, or set a countdown so a device switches off after an hour. Our list of smart plug ideas and schedules has more.
• Power-outage memory. Decide whether the plug should return to its previous state, stay off or turn on after a power cut, if your model offers that choice.
• Child lock. Disables the physical button so small hands can't switch things on or off.
• Family sharing. Share the device with household members so they can control it from their own accounts instead of sharing a login.
• Energy monitoring. On plugs with monitoring, check the live watts reading with a known load (a lamp, for example) to confirm it's working. If the app asks for your electricity price, enter the unit rate from your bill so cost estimates match reality. Our guide to smart plugs with energy monitoring explains what the numbers mean.

Common setup mistakes

• Installing both apps and pairing devices in each. You'll end up with two half-complete setups. Choose one.
• Pairing through an extension lead in a far corner. Weak signal causes flaky connections later. Pair close to the router, then move the plug to its final socket.
• Naming devices vaguely. "Socket 1" is hard to say to a voice assistant and easy to confuse.
• Plugging in a load above the plug's rating. Check the appliance's wattage against the plug's amp rating before you use it, particularly with heaters.

Where Wattly fits

The Wattly smart plug is a Tuya-platform Wi-Fi plug, so everything above applies: install Tuya Smart, follow the in-app pairing, no hub needed. On top of on/off control it shows live watts, cost per hour, day, week or month, and daily to yearly usage history. It works with Alexa and Google Home through the Tuya skill or action, lists SmartThings, and works with Siri through Siri Shortcuts; it doesn't claim native HomeKit or Matter support. A Zigbee version is listed as coming soon and will need a Zigbee hub. If you're weighing the two, see Wi-Fi vs Zigbee smart plugs.

Related reading

• How to measure appliance energy use
• Do smart plugs save money?
• Wattly smart plug: see current price