These days, we all have to sign in the gmail account to access all features of Gmail account. Somehow, If your google account gets disconnected from the android phone. But in some rare cases, gmail doesn't work on the android phone. 

Generally, that happens because to connection or account authentication problem. if you don't know how to fix that error? do not worry, here  I am sharing the complete guide to fix can't sign into the Gmail account problems. you can apply it on your devie to find the solution. 

How to fix Gmail account sign in problems on android phone? 

Check the internet connection - 

When Gmail is not working on the android phone, you should check the internet connection first. make sure that the internet is working fine. now go to the settings on your android phone. here you need to deactivate the airplane mode. 

Reset the Password-  

Now go ahead and reset the google password. after that you need to update it on your device. To do that, you need to open the browser and go to the Gmail.com website. here, you need to click on the reset password. now follow the instructions to reset the password. Once you will create a new password. 

you need to open the Gmail app. now click on the manage accounts. tap on the gmail account and then enter your new password. 

Reconfigure the Gmail account - 

If you have tried the above instructions but still can't sign into the Gmail account. you need to delete the Gmail account from the android settings. now sign in the Gmail account again. to do that, you need to follow the instructions given below. 

1. Open the settings. 

2. Go to the users & accounts. 

3. Click on the google. 

4. Now click on the Gmail account. 

5. press the delete gmail account. 

After removing the gmail account, you should sign into the Gmail account again. now try to access the webmail again. it should be working fine on your device now.