Recover your Gmail account name or reset your Gmail password using Google's Trouble Signing In page on your phone or another device. When you've recovered your password, type it into Gmail on your Android phone to log in.
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Recovering Your Gmail Username
If you've forgotten your Gmail account name as well as your password, you can recover this using your Android phone or any other device with Internet access.
If you're tried unsuccessfully to sign in to your Gmail account on your Android, you'll see a message telling you you've entered the wrong credentials. Go to Google's Trouble Signing In page.
Select I Don't Know My Username, then press Continue.
To have your username sent to an alternate email address you provided when you set up your Gmail account, select the Enter your recovery email address radial button and enter your email in the blank field.
Alternately, have your username texted or read by an automated system to a phone number you provided when you set up your account. Select the Enter your recovery phone number radial button and enter your phone number in the field. Select a contact option.
After entering your desired contact method, enter your first and last name in the First and Last boxes and check the I'm not a robot box. Press Submit and wait for a call, text or email from Google with your username.
Resetting Your Gmail Password
Reset your Gmail password through Google's Trouble Signing In page on your Android phone or another device.
On Google's Trouble Signing In page, select I Don't Know My Password.
Enter your Gmail address in the Email Address box and press Continue.
Enter the last password you can remember for your account in the blank field and click Continue, or click I don't know if you can't remember any password you've used with that account.
Google will present you with a partially blacked out version of an email address you provided when you set up your Gmail account. If you have access to that address, press Continue and Google will email you a link that you can click to reset your password.
Otherwise, select the Verify Your Identity link to answer additional questions and provide an alternative email address for the password reset link.
On the Verify Your Identity screen, type an email address to which you do have access and retype where requested. Then, press Continue.
Google will ask you a series of questions about your account to verify your identity. Answer each page of questions and press Continue at the end of each page.
When you've successfully answered the questions, Google will send a link to the email address you provided. Use this link to access the Reset Your Password page. Enter your new password and re-enter it where indicated before clicking Change password.
Logging in on Your Phone
Whenyou know your username and password, you can log back in on your Android phone.
You will see a message in the Gmail app indicating that you weren't able to sign in. Tap the Sign-In button.
Enter your username if it's not already saved, along with your password, then press Enter or tap Sign In. Your Gmail inbox will load normally.