How Do You Find Out Your Network Security Key

If a phone, laptop, smart TV, or another device asks for a network security key, it usually wants the password for your Wi-Fi connection. The quickest way to find it is often the label on your router. If that label is missing or the password was changed, check a device that is already connected.

The best route depends on what you have in front of you:

1. Check the router label.
2. Look on a connected Android phone.
3. View the saved Wi-Fi password on a Windows PC or laptop.
4. If the key has been forgotten or changed, use the router's own settings to reset it.

What a network security key is and what it looks like

A network security key is the code that protects your wireless network. Your devices use it to prove they have permission to connect to your Wi-Fi.

You may already know it by another name:

• Wi-Fi password
• Wireless password
• Wi-Fi key
• Network password
• Network security key code

In many homes, these names mean the same thing: the password you type when joining the Wi-Fi network.

The key may look like a mix of letters and numbers, such as:

`H7K4P9Q2`

It could also include symbols, capital letters, or lower-case letters. Enter it exactly as shown. A capital `B` is different from a lower-case `b`, and a zero may look similar to the letter `O`.

You also need the name of the network, called the SSID. The SSID is the name you see in the Wi-Fi list on your phone or laptop. The security key is the password used with that name.

Start with the router label

The router is the first place to look because its original network security key is normally printed on a sticker. Check the back, bottom, or sometimes the side of the router.

Look for labels such as:

• Wi-Fi Password
• Wireless Key
• WPA Key
• Security Key
• Network Key
• Password

The sticker should also show the SSID, which is the name of the wireless network. Match that name with the network your device is trying to join.

For example, the label might show:

• SSID: HomeNetwork-24
• Wi-Fi Key: H7K4P9Q2

In that case, choose `HomeNetwork-24` from your device's Wi-Fi list and enter `H7K4P9Q2` as the password.

Check the label carefully

Routers often have several codes printed on them. Do not automatically use the serial number, model number, or a code marked as an administrator password. You want the field that refers to Wi-Fi or wireless security.

If the sticker has a QR code, your phone may be able to scan it. Otherwise, use the printed network name and key.

A label only shows the default key. If someone changed the Wi-Fi password later, the printed key may no longer work. In that case, check a device that is already connected or use the router's settings.

Find the saved key on an Android phone

If an Android phone is already connected to the Wi-Fi network, it may let you display or share the connection through a QR code.

The menu names can vary slightly between Android phones. The usual path is:

1. Open Settings.
2. Tap Connections.
3. Tap Wi-Fi.
4. Find the network marked as connected.
5. Tap the settings icon beside that network.
6. Choose the QR code option.

Your phone may ask you to confirm your screen lock with a PIN, pattern, fingerprint, or face check. That protects someone else from viewing your saved Wi-Fi details without permission.

A QR code should then appear. You can use it in two ways:

• Scan it with another phone to join the same network.
• Read the network details if your phone displays the password as part of the QR code screen.

Some Android versions show a Share option instead of using the words “QR code.” If you do not see the exact buttons above, open the details for the connected network and look for Share, QR code, or a similar option.

If the Android phone is not connected

The phone generally cannot show a saved password for a network it has never joined. In that situation, return to the router label first.

If the router password was changed, ask someone who manages the home network for the current key, or check another device that is still connected.

Find the saved Wi-Fi password on a Windows PC or laptop

A Windows computer can often show the password for a Wi-Fi network it has already joined. This is useful when the router sticker has an old key or the password was saved months ago.

The exact wording can differ between Windows versions, but start with the network settings:

1. Open Settings.
2. Select Network & internet.
3. Open the Wi-Fi settings.
4. Choose the connected network or the network's properties.
5. Look for an option to view the saved wireless password.

On some Windows computers, the password option is easier to find through the classic network window:

1. Open Control Panel.
2. Go to Network and Sharing Center.
3. Select the current Wi-Fi connection.
4. Open Wireless Properties.
5. Select the Security tab.
6. Choose Show characters.

Windows may ask for administrator permission before displaying the password. Once shown, enter it on the device that needs to connect.

Finding a different saved network

A Windows PC may remember more than one Wi-Fi network. For example, it could have saved the network at home, a relative's house, and a workplace.

Make sure you open the details for the correct network name. The name should match the SSID shown on the router or the network selected on the device that is asking for the key.

If the network is no longer saved on the computer, Windows may not be able to show its password. Check another connected device or the router instead.

How to tell whether the network key is your Wi-Fi password

In most connection prompts, network security key means the same thing as your Wi-Fi password. It is the credential needed to join the wireless network.

You can confirm you have the right one by checking three things:

• The network name matches the router's SSID.
• The password comes from the router label or a device already connected to that network.
• You are entering the characters exactly as shown.

Do not confuse the Wi-Fi password with the password used to sign in to the router's administration page. Those can be different. The router login controls settings. The network security key lets phones, computers, and other devices connect to Wi-Fi.

If the router label says one key but a connected laptop shows another, the Wi-Fi password was probably changed after the router was set up. Use the saved password from the connected device, since that is the one currently working.

Why your device may suddenly ask for the network security key

A device asks for the key when it needs the password to make a Wi-Fi connection. That can happen for several ordinary reasons.

The device may be connecting to the network for the first time. It may also have forgotten the saved password after a reset, software change, or removal of the network from its saved list.

You may also see the prompt after:

• The router was replaced.
• The Wi-Fi password was changed.
• The device moved out of range and is reconnecting.
• You selected the wrong network and need to choose another one.
• The device is trying to join a network with a similar name.

Start by checking the network name. If it is not the one you expect, cancel the prompt and choose the correct SSID from the Wi-Fi list.

If the name is right, enter the current Wi-Fi password. Avoid adding spaces before or after it. Check capital letters, numbers, and symbols carefully.

If the password still fails, compare it with the router label or view it on an Android phone or Windows computer that is already connected. This helps you tell the difference between a typing mistake and an outdated key.

Finding the key for a phone hotspot

A phone hotspot creates a small Wi-Fi network that other devices can use. Its network security key for hotspot is usually called the hotspot password.

On the phone providing the connection:

1. Open Settings.
2. Go to Connections or Network & internet.
3. Open Mobile Hotspot, Hotspot, or Tethering.
4. Look for the hotspot name and password.

The wording depends on the phone. Look for fields such as Hotspot password, Wi-Fi password, or Configure hotspot.

The other device should select the phone's hotspot name from its Wi-Fi list and enter that password. This key is separate from your home router's Wi-Fi password. If you are trying to connect a laptop to a phone hotspot, do not use the password printed on your home router unless you deliberately set both passwords to match.

Hotspots can also be turned off when you no longer need them. That stops nearby devices from trying to use the connection and can help avoid using your mobile data by mistake.

What to do if you need to reset the network security key

Finding a saved key and resetting a key are two different jobs.

If you only forgot the password, first try to find the existing one on the router, Android phone, or Windows PC. That avoids disconnecting devices that are already working.

If you want to change the key, you need to use the router's own settings. There is no single reset path that works for every router model. The buttons, menu names, and sign-in details can differ.

Check the router's instructions for steps that match your model. You may need the router's administrator login before you can change the Wi-Fi password.

Before making the change, write down:

• The current network name.
• The new Wi-Fi password.
• Which phones, computers, printers, cameras, and other devices will need the new details.

Changing the key will usually mean that devices using the old password have to connect again with the new one. Give the new key to the people who manage or use the home network, but avoid sharing it more widely than needed.

If you are helping a child, parent, or carer connect a device, the simplest order is still the same: check the router label, look for the saved password on a connected Android phone or Windows laptop, and only then consider changing the router settings.

For more plain-language help with practical device and home technology questions, browse the site's other guides.