The fastest way to change your AT&T WiFi password

You can change your AT&T WiFi password in about five minutes using the AT&T Smart Home Manager app or by logging into your router directly through a web browser. The app is usually faster if you have it installed. If you do not have the app, logging into your router's admin page works just as well — you will need your router's IP address, which is typically printed on a sticker on the device itself.

The password you are changing is the one people use to connect to your wireless network, not your AT&T account password. Once you change it, everyone currently connected will stay connected, but anyone trying to join the network after that will need the new password.

Key Takeaways

  • The AT&T Smart Home Manager app is the simplest method and works from your phone in under five minutes.
  • If you do not have the app, you can log into your router's admin page by typing its IP address into a web browser — the address is usually 192.168.1.1 or printed on the router itself.
  • Your router's default login is usually admin for the username and the WiFi password or serial number for the password, but AT&T routers sometimes use different credentials printed on the device.
  • After you change the password, write it down or save it somewhere you can find it, because you will need to give it to anyone who wants to connect to your network.

Changing your password through the AT&T Smart Home Manager app

Open the AT&T Smart Home Manager app on your phone. If you do not have it, you can read it from the Apple App Store or Google Play Store. Log in with your AT&T account username and password — this is the same login you use for your AT&T bill.

Once you are logged in, look for a section labeled "Network" or "WiFi" — the exact name depends on your app version, but it will be near the top of the home screen. Tap it, then look for your router's name (called the SSID). Tap on your router, then look for an option that says "WiFi Password" or "Change WiFi Password." Tap that option, enter your new password, and confirm it. The app will show you a confirmation message when the change is complete.

Your new password takes effect when ready. Devices already connected will stay connected, but you will need to give the new password to anyone else who wants to join your network.

Changing your password by logging into the router directly

Find your router's IP address. This is usually printed on a sticker on the back or bottom of the router — look for a line that says "IP Address" or just "192.168.1.1" or "192.168.0.1". Open a web browser on any computer or phone connected to your network and type that address into the address bar, then press Enter.

A login page will appear. For most AT&T routers, the username is admin. The password is often the WiFi password printed on the router sticker, or sometimes the serial number. If neither of those works, check the router's documentation or the sticker for other login credentials — AT&T sometimes prints them directly on the device.

Once you are logged in, look for a section called "WiFi," "Wireless," or "Network Settings." Find the option for "WiFi Password" or "Pre-Shared Key" (PSK). Delete the old password and type in your new one. Click "Save" or "explore." The router may restart, which takes about one to two minutes. Once it restarts, your new password is active.

What to do if you forgot your router's login password

If you cannot log into your router's admin page because you do not remember the password, you can reset the router to its factory settings. Look for a small reset button on the back of the router — it is usually recessed so you cannot press it by accident. Use a paperclip or the tip of a pen to hold down the reset button for about 10 to 15 seconds while the router is powered on.

The router will restart and return to its factory settings. This means your WiFi password will go back to whatever AT&T set it to originally, which is usually printed on the sticker on the router. You will then be able to log in with the default credentials and change the password to something new. Resetting the router will disconnect all devices, so you will need to reconnect them using the factory password first.

Choosing a strong WiFi password

Your new password should be at least 12 characters long and include a mix of uppercase letters, lowercase letters, numbers, and symbols. Avoid using your name, address, or anything else someone could guess from your social media. A random combination like "Tr0pic@lSunset42!" is much stronger than "MyPassword123."

Write down your new password and store it somewhere safe — a notebook in a drawer, a password manager, or a note on your phone. You will need it whenever someone new wants to connect to your network, and you may need it yourself if you reset your router in the future.

Troubleshooting if the change does not work

If you changed the password but devices still cannot connect, try these steps in order. First, restart your router by unplugging it for 30 seconds, then plugging it back in. Wait two to three minutes for it to fully restart. Second, make sure you are typing the new password correctly — passwords are case-sensitive, so "MyPassword" is different from "mypassword." Third, forget the network on the device that is trying to connect, then reconnect using the new password.

If you are still having trouble, log back into the router's admin page and confirm that the password change was actually saved. Sometimes the page appears to save but does not. If the password still shows the old one, try changing it again and watch for a confirmation message before closing the page.

Frequently Asked Questions

Will changing my WiFi password disconnect devices that are already connected?

No. Devices already on your network will stay connected. Only new devices trying to join will need the new password. However, if you restart your router, all devices will disconnect and will need to reconnect using the new password.

Can I change my WiFi password from outside my home?

Yes, if you use the AT&T Smart Home Manager app — you can change it from anywhere as long as you have your AT&T account login. If you want to use the router's admin page, you need to be connected to your network or set up remote access, which most people do not do.

What is the difference between my AT&T account password and my WiFi password?

Your AT&T account password is what you use to log into your bill and manage your account. Your WiFi password is what people use to connect to your wireless network. They are separate and changing one does not affect the other.

How often should I change my WiFi password?

There is no set rule. Change it if you think someone unauthorized has connected to your network, if you have had guests over and want to cut off their access, or if you just want to refresh it. Many people change it once or twice a year as a routine security practice.

What if I do not know my router's IP address?

Try typing 192.168.1.1 into your browser first — this works for most home routers. If that does not work, try 192.168.0.1. If neither works, check the sticker on your router or your AT&T paperwork. You can also call AT&T customer support and they can tell you the IP address for your specific model.