Fix Pokemon GO Failed to Login Error

Fix Pokemon GO Failed to Login Error

Pokemon is an augmented reality mobile game introduced for mobiles. It was released on Android and iOS and is a hugely popular game released in 2016 by Niantic INC. Pokemon GO only starts when a user is online and also logged into the game using an account. However, some users report Pokemon GO failed to login error. This error frequently occurs to players who are returning to the game after a long time. Sometimes users also report Pokemon GO failed to authenticate error. Fret not! In this article, we will see how to fix Pokemon GO failed to login error, So, let’s get started!

Fix Pokemon GO Failed to Login Error

How to Fix Pokemon GO Failed to Login Error

Before going through the methods to fix the issue, let us know the possible causes behind the login failure.

  • Internet connection issues
  • Data usage restriction issues
  • VPN issues
  • Restricted area
  • Account issues
  • Outdated app
  • Corrupt game files that can only be fixed when you reinstall the game

Here are some troubleshooting methods that will help you fix Unable to Authenticate Pokemon GO.

Note: Since smartphones don’t have the same Settings options, and they vary from manufacturer to manufacturer, hence, ensure the correct settings before changing any. The said steps were performed on the Moto g(8) phone.

Method 1: Basic Troubleshooting Methods

Firstly, go through some of the basic fixes to solve this login issue.

1A. Restart Game

Sometimes, the game can cause issues while running on Android and this will cause Pokemon GO failed to authenticate error. You can always restart the game and see if it fixes the issue.

1. If you are running the game in the background, tap on the recent apps.

tap recent apps

2. Search for the Pokemon GO app and swipe up to close the app.

swipe up to close. Fix Pokemon GO Failed to Login Issue

3. Finally, start Pokemon GO again. See if the error Fix Unable to Authenticate Pokemon GO is resolved.

1B. Restart Phone

If you have installed many apps on your phone, they can stay on RAM for too long and cause stutters and internet connection failure. Another basic fix is to try restarting the phone.

1. Press and hold the Power button on the side of your mobile.

2. Now tap on Restart.

hold power button and click restart

1C. Check your Phone for Root

Pokemon GO will not work on rooted phones. It’s because there is a higher risk of getting hacked by someone who has access to your mobile and can take advantage of it. Try checking if the problem still occurs on a non-rooted phone.

1D. Troubleshoot Internet Connectivity

Ensure your mobile network connectivity is working properly and your device is receiving a good network signal. Problems with network connectivity can cause this problem. After getting good network connectivity, try logging into the game again to see if the issue is solved. Read our ultimate Android smartphone troubleshooting guide and follow method 3 to troubleshoot network connectivity.

router
Image by OpenClipart-Vectors from Pixabay

Also Read: Fix Pokemon Error 29 in Windows 10

1E. Disable Data Usage Restrictions

Sometimes Pokemon GO can cause errors with login because of data usage restrictions, these restrictions are enabled on the settings on your phone. Try and Disable the data usage restrictions on your phone and see if it works.

1. Swipe down the home screen and tap on the cog icon to go to Settings.

tap on the cog icon

2. Tap on Network & internet in Settings.

tap on network and internet

3. Then, tap on Data usage.

tap on Data usage. Fix Pokemon GO Failed to Login Issue

4. Go to Data warning & limit.

tap on data warning & limit

5. Make sure the Set data limit and Set data warning are turned off on the data usage menu.

turn off the toggle for set data limit and set data warning. Fix Pokemon GO Failed to Login Issue

Method 2: Update Pokemon GO

Pokemon GO is updated regularly by the developers to fix many issues, so make sure that you update the game as soon as possible. You can update the game from Play Store. Follow the below steps to do that and solve Pokemon GO failed to login issue.

1. Open Play Store from the home screen.

open google playstore. Fix Pokemon GO Failed to Login Issue

2. Tap on the search box and search for Pokemon Go.

tap on the search bar

3A. If an update is available, tap the Update option.

3B. If your app is already updated, you will see only the Play and Uninstall options.

if the app is up to date the update button will be displayed on play button. Fix Pokemon GO Failed to Login Issue

Updating the game will fix unable to authenticate Pokemon GO problem.

Also ReadHow To Change Pokémon Go Name After New Update

Method 3: Verify Pokemon GO Server Status

Sometimes login issues or Pokemon GO failed to login issues occur due to server issues on the Pokemon website. You can check the pokemon server from the Downdetector page. If the server is down you can just wait until it gets better. However, if the server is good then follow the methods below to resolve the problem.

pokemon go downdetector page

Method 4: Restart Pokemon GO

If there is any problem with the Pokemon GO app running in the background then Pokemon GO failed to login error can occur. So, you can try to force restart the app and run the app again.

1. Swipe down from the home screen and tap on the cog icon to open the Settings menu.

tap on settings

2. Now, tap on Apps & notifications.

go to apps and notifications. Fix Pokemon GO Failed to Login Issue

3. Tap on SEE ALL [number] APPS.

tap see all apps

4. Search for the Pokemon GO app and tap on it.

tap on pokemon go. Fix Pokemon GO Failed to Login Issue

5. Finally, tap on FORCE STOP to stop the process.

tap on force stop

6. Now, restart the app again and see if it fix unable to authenticate Pokemon GO error.

Also ReadBest Pokémon Go Hacks And Cheats To Double The Fun

Method 5: Re-login to Google Account

If Pokemon GO failed to login error still occurs, then there might be a problem with your google account since the login process depends on your google account.

1. Firstly, open the Settings menu.

2. Scroll down and tap on Accounts.

tap on accounts. Fix Pokemon GO Failed to Login Issue

3. Tap on your Account which you used to log into the Pokemon GO app.

tap on an account

4. Tap on the REMOVE ACCOUNT button to remove your account.

tap remove account

5. To add your account back, go to the Settings menu.

6. Scroll down the menu and tap on Accounts.

tap on accounts

7. Now, tap on Add account button inside the menu.

tap add account. Fix Pokemon GO Failed to Login Issue

8. Tap on Google to proceed to sign into your Google account.

Tap on Google

9. Enter your details such as your Email and Password and sign in to your account. Try starting the game again to see if the issue is fixed.

enter the details

Also ReadHow To Play Pokémon Go Without Moving (Android & iOS)

Method 6: Troubleshoot Account Issues

Niantic bans players from using cheats and hacks for the Pokemon GO app. The ban is not very quick but if a user is found utilizing the hacks in abundance then they can get banned. Make sure your account is not banned before logging into the Pokemon GO app. Banned players also receive unable to login errors. You can visit this Niantic Helpshift site and appeal to them to not ban you. If this does not work for you follow the below method and see if the error is resolved.

Option I: Create New Pokemon GO Account

If your account has been banned or if there is corrupt data on your account, the error can occur. The solution to this issue is to try and create a new account and log in to see if it fixes the log in issue. There are two ways to create an account, one is by creating a Google Account and one is by creating a Pokemon Trainer Club Account. We recommend creating an account on the Pokemon trainer club for good results.

1. Go to the official Pokemon Trainer club website.

2. Scroll down and click on Create an Account!

click on Create an Account. Fix Pokemon GO Failed to Login Issue

3. Enter the Date of Birth and Country/Region. Click on Continue to proceed to create an account.

Click on Continue

4. Now, enter the details for Username, Password, and Email.

Enter the details for Username Password Email. Fix Pokemon GO Failed to Login Issue

5. Click on Check Availability to check if any similar profiles are present.

Click on Check Availability

6. Finally click on I accept the Pokemon.com Terms of use and click on Continue to create an account.

click on I accept Pokemon.com Terms and conditions. Fix Pokemon GO Failed to Login Issue

Option II: Uninstall VPN

VPN acts as a location spoofing app, location spoofing is presenting a fake or different IP address than your original address. This is not illegal but it is reported that players are getting banned because of location spoofing. Uninstall any VPN tool you have and log in again and see if Pokemon GO failed to login issue is fixed.

1. Launch your device’s Settings menu.

2. Tap on Apps & notifications.

go to apps and notifications. Fix Pokemon GO Failed to Login Issue

3. Now, tap on SEE ALL [number] APPS.

tap see all apps

4. Search for a VPN app you have and tap on it.

tap on the VPN app. Fix Pokemon GO Failed to Login Issue

5. Tap on UNINSTALL to uninstall the VPN app.

tap uninstall

Also Read: Fix Pokémon Go Adventure Sync Not Working on Android

Method 7: Change Location

The developers of the game restrict certain areas. This restriction can cause Pokemon GO failed to authenticate error. To fix this issue you can try logging in to the game in a different location and see if it fixes the issue. You may also try changing location in Pokémon Go by following our guide How to Change Location in Pokémon Go?

launch the Pokémon Go game and you will see that you are in a different location

Method 8: Update Android OS

You can fix Pokemon GO failed to login error by updating your Android device. Your Android phone automatically updates itself either by using your mobile data or Wi-Fi network. To fix all the gaming issues, bugs, and errors in your Android device, you have to update your Android as instructed in our guide manually update Android to latest version.

software update

Also Read: Best Eevee Evolution in Pokémon Go

Method 9: Reinstall Pokemon GO

If the Pokemon GO app is corrupt then Pokemon GO failed login error can occur. To fix unable to authenticate Pokemon GO issue, you can try reinstalling the Pokemon GO app as shown below.

1. Go to the Apps & notifications setting.

tap apps and notifications

2. Tap on SEE ALL [number] APPS.

tap see all apps. Fix Pokemon GO Failed to Login Issue

3. Now tap on Pokemon GO app.

tap on pokemon go

4. Then, tap on UNINSTALL.

tap uninstall. Fix Pokemon GO Failed to Login Issue

5. Now launch Google Play Store, open Pokemon GO app and tap on Install button.

install pokemon go

Doing this will properly clear any corrupt file present on the smartphone.

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We hope the above article on fix Pokemon GO failed to login error was helpful and you were able to fix the error. Let us know which one of the methods worked for you in resolving unable to authenticate Pokemon GO issue. Also, don’t forget to comment if you have any queries and/or suggestions.

Posted by
Elon Decker

Elon is a tech writer at TechCult. He's been writing how-to guides for about 6 years now and has covered many topics. He loves to cover topics related to Windows, Android, and the latest tricks and tips.

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