How to Remove Unknown Devices from Instagram: A Practical Security Guide for 2026

Written by: Abigail Ivy
Published on:

Why unknown devices appear on Instagram

If you are trying to learn how to remove unknown devices from Instagram, you are usually dealing with one of three things: a logged-in session on a device you do not recognize, a session left open on an old phone or browser, or a security issue tied to a compromised password.

Instagram tracks active sessions across phones, tablets, and web browsers, so unfamiliar logins can show up for legitimate reasons or as a warning sign.

Knowing the difference matters because the right fix is not just signing out once.

You also need to confirm whether the device is truly yours, then secure the account so the same login does not reappear.

How to check which devices are logged into Instagram

Instagram lets you review recent login activity through the Accounts Center.

This is the fastest way to identify active sessions before removing anything.

  1. Open the Instagram app and go to your profile.
  2. Tap the menu icon, then open Settings and privacy.
  3. Select Accounts Center.
  4. Tap Password and security.
  5. Open Where you’re logged in or Login activity, depending on your version of the app.

You should see a list of devices, approximate locations, and timestamps.

Instagram may show device type, operating system, and browser information.

Review the list carefully, because a familiar device can look unfamiliar if it appears as a generic browser session or if the location is based on IP address rather than GPS.

How to remove unknown devices from Instagram

Once you identify an unfamiliar session, you can sign it out directly from the device list.

This is the core step in how to remove unknown devices from Instagram.

  1. In Where you’re logged in, tap the device or session you do not recognize.
  2. Choose Log out, Sign out, or Log out of all sessions if the option appears.
  3. Confirm the action when prompted.

If you see multiple suspicious sessions, logging out of all devices is usually the safest choice.

That will end every active session, including your own, so be ready to sign back in on your trusted phone or computer.

When to log out of all sessions

Use the full sign-out option if you notice any of the following:

  • An unfamiliar device name or browser you never used
  • A login location far from where you normally access Instagram
  • Messages, posts, or follow activity you do not recognize
  • Password reset emails or security alerts you did not request

If the account shows suspicious behavior, removing one session may not be enough.

A broad sign-out is more effective when you suspect the password has been exposed.

What to do right after removing the device

Removing unknown devices is only part of the fix.

If someone else had access, they may still be able to log back in unless you tighten security immediately.

Change your Instagram password

Create a new password that is long, unique, and not reused on any other account.

A strong password should combine letters, numbers, and symbols, and it should not include personal details such as your name, birthday, or username.

Enable two-factor authentication

Two-factor authentication adds another layer of protection by requiring a login code in addition to your password.

In Instagram, you can usually turn this on through Accounts Center under Password and security.

The safest option is often an authenticator app, though SMS codes are better than no second factor at all.

Review login alerts

Instagram can notify you when a new device signs in.

Make sure those alerts are enabled so you can respond quickly if another unknown session appears.

How to tell if the device is actually yours

Before you remove a session, verify whether it might belong to one of your own devices.

Instagram may show device names in ways that are not immediately obvious.

  • Browser sessions: A login from Chrome, Safari, or Firefox may appear as a separate device even if it is your laptop.
  • Old phones: A device you sold, repaired, or reset could still appear if the session was never closed.
  • Shared devices: Family tablets or work computers may be logged in without being obvious.
  • VPN or travel: A different location can appear when you use a VPN, mobile network, or public Wi-Fi.

If you are unsure, compare the device model, operating system, and last active time with your own usage history.

When in doubt, sign out and then log in again from the device you trust.

Signs your Instagram account may be compromised

Unknown devices are often the first clue, but account compromise usually comes with other symptoms.

Watch for these indicators:

  • Password reset emails you did not request
  • Followers receiving strange messages from your account
  • Posts, stories, or reels you did not publish
  • Unfamiliar email or phone number changes in account settings
  • Security notifications about logins from new locations

If any of these are present, treat the issue as a security incident, not just a device cleanup.

Change your password, sign out of every session, and check whether your email account is also secure.

How to secure the email linked to Instagram

Instagram recovery often depends on your email inbox.

If an attacker controls your email, they may be able to undo changes or request new login links.

Protect the email account associated with Instagram by changing that password as well and enabling two-factor authentication there too.

Also check whether the recovery email and phone number listed on Instagram are correct.

If they have been changed, restore them immediately if possible.

If you cannot, use Instagram’s account recovery options as soon as you notice the issue.

Prevent unknown devices from appearing again

After you remove suspicious sessions, build habits that reduce the chance of future unauthorized access.

Prevention is easier than repeated cleanup.

  • Use a unique password for Instagram and every other important account.
  • Avoid signing in on shared or public devices unless necessary.
  • Log out of devices you no longer use, especially old phones and browsers.
  • Keep your phone and apps updated to reduce security vulnerabilities.
  • Be cautious with fake login pages, giveaway scams, and phishing links.

It also helps to review your Instagram login activity periodically.

A quick monthly check can catch abnormal access early, before account changes become harder to reverse.

When to contact Instagram support

If you cannot access your account, cannot remove the unknown device, or keep getting locked out, use Instagram’s help and recovery tools.

Support is most useful when you can provide proof of ownership, such as the email address, phone number, or identity verification prompts tied to the account.

If the account is being actively misused, act quickly and document what you see.

Screenshots of suspicious login alerts, altered profile details, and unauthorized messages can help when you request recovery.

Common mistakes to avoid

People often make security problems worse by taking incomplete steps.

Avoid these mistakes when removing unknown Instagram devices:

  • Changing the password without signing out of all sessions
  • Ignoring email security after an Instagram login issue
  • Assuming a strange location is harmless without checking the session details
  • Leaving two-factor authentication disabled after a suspicious login
  • Clicking recovery links from unverified messages or websites

A careful approach gives you the best chance of fully controlling the account again.

Review the session list, remove what you do not recognize, then lock down every recovery path tied to the profile.