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How to Fix Pokemon Go “Unable to sign in. Please make sure this account exists” Error Message



Pokemon GO took the entire world by storm back when it launched, and years later, the game is still going shockingly strong. The game was released in July 2016 and quickly became one of the most popular mobile games of all time.

In the first month after its release, Pokemon GO was downloaded more than 100 million times and generated an estimated $1 billion in revenue. The success of Pokemon GO can be attributed to its innovative use of augmented reality technology, giving players the chance to catch Pokemon in the real world using their smartphone cameras.


The game also capitalizes on the nostalgia and popularity of the Pokemon franchise, which has been a cultural phenomenon since its release in 1996. So, what happens when you find an error that leads to you being unable to sign in to your account?

How to Troubleshoot Pokemon Go Error Message “Unable to sign in. Please make sure this account exists.”

If you’re encountering the Pokemon GO error “Unable to sign in. Please make sure this account exists”, there are a few steps you can try to resolve the issue.

To help you with getting through this login issue, we’ve compiled a couple of guides that are fairly simple. Just follow the the guides below, and soon enough you should find yourself back in Pokemon GO in no time.

Check Your Internet Connection

  • Sometimes the reason you can’t sign in to Pokemon GO is because of your internet connection.
  • Go into your smartphone’s Settings menu.
  • Click on the Network and Internet menu.
  • Make sure Mobile Data is turned on.
  • Check to see if your device’s connection is strong.
  • If the connection is fine, move on to the next solution.

Check the Status of Pokemon GO Servers

Photo credit: Stefan Schweihofer/Pixabay
  • Pokemon GO servers can sometimes go down for maintenance, leading to this issue.
  • Go to Downdetector.com.
  • Check if Pokemon GO servers are down.
  • If servers are down, you will need to wait until they’re back online.
  • Check periodically over time to see if they’re back.
  • Once the servers are back online, attempt to sign-in again.

Restart the Pokemon GO App on your Device

  • Restarting Pokemon GO can often fix the sign-in issue.
  • Go to your recent apps.
  • Close Pokemon GO.
  • Relaunch Pokemon GO.
  • Check and see if you can sign-in.

Delete the Pokemon GO App Cache

  • Go to the Settings on your phone.
  • Navigate to the Apps section of your settings.
  • In the list of installed apps, search for Pokemon GO.
  • Select Pokemon GO.
  • Click on Storage.
  • Select Clear Cache.
  • Relaunch Pokemon GO and attempt to sign-in.

Update the Pokemon GO App

  • Sometimes, all you need to do is update Pokemon GO to fix any issues.
  • Search for Pokemon GO in your smartphone app store.
  • Check to see if there are any updates available.
  • If there’s an update available, install it.
  • Wait for the update to finish installing.
  • Relaunch Pokemon GO and attempt to sign-in.

Uninstall and Reinstall the Pokemon GO App

Image credit: Pokemon
  • Open your smartphone’s app store.
  • Search for Pokemon GO.
  • Uninstall the game.
  • Once done, reinstall Pokemon GO again.
  • After the installation is complete, try to sign in to Pokemon GO again.

If you’ve tried all of these steps and are still encountering the error, you may need to contact Niantic support for further assistance.

We hope these guides managed to help you get back into playing Pokemon GO again without too much trouble. For more guides and helpful fixes like this, stay tuned!



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