What is the difference between a soft reset and a factory reset on a smart plug?

A soft reset restarts the device and clears temporary faults without touching its stored WiFi credentials or its pairing with your app — usually a 5-second button hold, or simply unplugging for 30 seconds. A factory reset wipes the WiFi settings, schedules and pairing, returning the plug to setup mode with a rapidly blinking LED. Always try the soft reset first, because a factory reset means re-adding the device and rebuilding any automations that referenced it.

Why will my smart plug not connect to WiFi?

The most common cause by a wide margin is the 2.4 GHz versus 5 GHz band. Nearly all smart plugs support only 2.4 GHz, and modern routers combine both bands under one network name, so the phone connects on 5 GHz during setup and the plug cannot follow. The fix is to temporarily split the bands in your router settings or disable the 5 GHz radio during pairing. Other causes are a network name or password containing unusual characters, and being out of range.

Do I need to reset a smart plug before giving it away?

Yes. A factory reset clears your WiFi credentials from the device, which is the security-relevant part — a plug that changes hands with your network password stored in it is a real exposure. Also remove the device from your account in the app, because many platforms bind a device to the first account that claims it and the new owner will not be able to add it until you release it.

Why does my smart plug keep disconnecting?

Usually signal strength, DHCP lease behavior or channel congestion rather than a fault in the plug. Plugs are often installed behind furniture or in outlets near the floor, both of which attenuate 2.4 GHz badly. Assigning the plug a static or reserved IP address in the router, moving it closer to an access point, and changing the 2.4 GHz channel away from a congested one all help. Repeated disconnects that follow the plug to a different outlet suggest hardware.

Does resetting a smart plug delete my schedules and automations?

A factory reset deletes anything stored on the device and removes it from the app, which breaks any routines, scenes or voice-assistant commands that referenced it. Some platforms restore schedules automatically when the same device is re-added to the same account, and many do not. Note down your schedules before a factory reset, and expect to relink it in any third-party ecosystem such as Alexa, Google Home or a hub.

How to Reset a Smart Plug: Hold the Button 5 to 10 Seconds

Written & researched by Derek Holt Home & Appliances Editor

Updated September 2026

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For a soft reset, hold the plug button for about 5 seconds until the LED changes, or unplug it for 30 seconds. For a factory reset, hold the button for 10 seconds or more until the LED blinks rapidly — typically blue or green, twice a second — which means it has returned to setup mode. Do the soft reset first: it fixes most unresponsive plugs without wiping your WiFi credentials, schedules or app pairing. A factory reset means starting setup over and rebuilding any automation that referenced the device.

We never buy or physically handle the products we rank; recommendations come from aggregated owner reviews and manufacturer documentation, described in how we rank. More at the smart home and security hub.

Which Reset Do You Need?

Symptom	Start with
Plug unresponsive in the app but LED is on	Soft reset
Shows offline after a router restart	Soft reset, then check the router
Button works locally but app does not	Soft reset, then check app and cloud status
Moving to a new WiFi network or new router	Factory reset
Changed your WiFi password	Factory reset
Selling, gifting or returning the plug	Factory reset, plus remove from your account
Setup fails repeatedly	Factory reset, then fix the 2.4 GHz issue below
Bought secondhand and it will not add	Factory reset; previous owner may need to release it

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Soft Reset

Locate the button. Most plugs have a single physical button on the side or face that also toggles power manually.
Press and hold about 5 seconds. The LED usually blinks slowly or changes color to confirm.
Release and wait 30 to 60 seconds for the plug to rejoin the network. A solid LED normally means connected.
If there is no button, unplug the device from the outlet, wait a full 30 seconds so capacitors discharge, and plug it back in. Ten seconds is often not long enough.
Check the app. Pull to refresh, and force-close and reopen the app before concluding the plug is at fault.

A soft reset preserves everything. It resolves the majority of cases where a plug has simply lost its connection after a power blip or a router reboot.

Factory Reset

Note your schedules first. Screenshot the schedules and automations that use this plug — they will be gone.
Plug it into a working outlet and leave it powered.
Press and hold the button 10 seconds or longer. Keep holding through any intermediate LED change. You are waiting for a rapid blink, roughly twice a second, which signals setup mode.
Release and wait 10 seconds. The rapid blink should continue.
Remove the old entry from the app before re-adding, or you will end up with a ghost device that never comes online.
Re-add through the app following the setup flow, and re-link it in any voice assistant or hub afterward.

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Reset Holds by Brand Family

Brand family	Factory reset hold	Confirmation
TP-Link Kasa and Tapo	About 5 to 10 sec	LED cycles to amber and green blinking
Amazon Smart Plug	About 12 sec	LED blinks blue then amber
Wemo	Hold reset while plugging in, about 5 sec	LED blinks white
Wyze	About 10 sec	LED blinks blue
Meross	About 5 sec	LED blinks amber and green
Govee	About 8 to 10 sec	Rapid blink
Generic Tuya-based plugs	About 5 to 10 sec, sometimes twice	Fast blink is pairing mode; slow blink is a second, alternate mode

Figures are indicative — confirm against your own model manual, since manufacturers change hold times between hardware revisions. On Tuya-based plugs in particular, a second long hold toggles between fast-blink (standard) and slow-blink (compatibility or AP) pairing modes, and matching that mode to what the app expects is the fix for many failed setups.

The 2.4 GHz Problem, Which Causes Most Setup Failures

Nearly every WiFi smart plug is 2.4 GHz only. That band has better range and wall penetration than 5 GHz, which is what a device stuck behind a couch needs, and the radios are cheaper.

The trouble is that modern routers use band steering, presenting 2.4 GHz and 5 GHz under a single network name. Your phone connects on 5 GHz, the setup process hands the plug credentials for a band it cannot see, and pairing fails with an unhelpful error.

Fixes, in order of ease:

Temporarily disable the 5 GHz radio in your router admin during setup, then re-enable it. The plug remembers the network name.
Split the bands permanently into two network names, giving the 2.4 GHz network a distinct name for all IoT devices.
Use a guest or IoT network configured as 2.4 GHz only — also better security practice, since it isolates cheap devices from your computers and file shares.
Move the phone close to the plug and router during setup so both are on a strong signal.

Also check that your network name and password contain only standard characters. Some plugs fail silently on emoji, apostrophes or unusual symbols in the SSID or passphrase.

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Stopping Repeat Disconnections

Reserve an IP address for the plug in your router DHCP settings. Lease expiry and reassignment is a common cause of overnight dropouts.
Check signal strength at the outlet. Outlets are low on the wall, often behind furniture, and 2.4 GHz attenuates through metal appliances. A mesh node or access point nearby fixes it. See how to install a WiFi extender.
Change the 2.4 GHz channel to 1, 6 or 11 — whichever is least congested. Apartment buildings are the worst case.
Count your devices. Consumer routers commonly struggle past 30 to 50 connected clients, and smart home gear accumulates fast.
Keep firmware current through the app. Several persistent-disconnect complaints in owner reviews trace to firmware bugs that were later fixed.

Same underlying causes as why a WiFi camera keeps disconnecting.

If the Reset Does Not Work

Test the plug in a different outlet. Rules out a dead outlet, a tripped GFCI upstream, or a switched receptacle that is off at the wall — that last one accounts for a surprising number of unresponsive plugs.
Confirm the LED responds at all. No light on any outlet and no reaction to a long button hold means a hardware failure. Most plugs carry a 1- or 2-year warranty and manufacturers generally replace these without much argument.
Try setup with a phone hotspot configured as a 2.4 GHz network with a simple name and password. If the plug pairs to the hotspot, the plug is fine and your home network is the obstacle.
Check the app account region. Several platforms bind devices to a regional server, and a plug bought in one region can fail to add to an account created in another.
Look for a pending firmware update on the app side and on any hub or bridge involved.
Check the manufacturer service status page. Cloud outages present exactly like a broken device — the plug works by button, and the app says offline. If the button works locally, do not factory reset; wait it out.

That last point is worth internalizing: a factory reset during a cloud outage guarantees you cannot re-add the device until the service comes back, turning a temporary annoyance into an evening of frustration.

Safety and When to Stop

Resetting a plug is a button press and carries no electrical risk. Stop and treat the plug as failed — unplug it and do not use it — if it is warm to the touch beyond mild warmth, if it smells of hot plastic, if the housing is discolored or deformed, if it buzzes, or if it trips a breaker or GFCI outlet.

Check the load rating too. Most smart plugs are rated 10 to 15 amps, and many are rated far lower for continuous or inductive loads such as space heaters, air conditioners and motors. Space heaters in particular should generally not be run through a smart plug — several manufacturers explicitly prohibit it, and the CPSC has published warnings about heaters on undersized plug-in devices. If a smart plug is controlling anything hard-wired or a high-draw appliance circuit, that is licensed electrician work, and electrical permit rules are jurisdiction-specific.

How to Reset a Smart Plug