Re: [HM:256487] g-mail account 2 step verification problem

You can use backup code to sign in and then check if you can change your mobile number... I highly recommend to keep ONE mobile number for life time (as long as you are in one country)... not only for gmail but also in general... 

Regards
Junaid

Sign in using backup codes

Basics of backup codes

If you lose your phones or otherwise can't receive codes via SMS, voice call, or Google Authenticator, you can use backup codes to sign in. These codes are available on your Accounts overview page and were first offered to you at the end of the 2-step verification setup.

The codes come in sets of 10, and you can generate a new set at any point, automatically making the old set inactive. In addition, after you've used a backup code to sign in, it will become inactive.

We recommend you store your codes wherever you keep your other valuable items. Like the codes on your phone, backup codes are only valuable to someone if they manage to also steal your password.

Creating and viewing a set of backup codes

To create a new set of backup codes:

1. Sign in to your accounts at https://www.google.com/accounts/SmsAuthConfig.
2. Look for the "Printable backup codes" area.
3. Click Show/Generate codes.
4. If you are fine using the current set of backup codes, you can print or download them. If you believe this set of codes might have been stolen or you've used many of the backup codes, you can generate a new set by clicking Generate new codes.

Can't find the backup codes you downloaded? Search your computer for "Backup-codes-username.txt" with your username. If your username is google123, search for "Backup-codes-google123.txt".

Signing in

1. Locate your backup codes.

2. Go to the sign-in page of the Google service you want to use (for example, Gmail).

3. Enter your username and password.
4. Enter your backup code in the box next to the phone icon, where you would normally enter your verification code.

5. Optional: As each code can be used only once, you might want to mark the code as used.

https://support.google.com/accounts/answer/1187538?hl=en

• Apr 19, 2013

On 1 July 2013 19:34, EelveE <nirajkanna@gmail.com> wrote:

Hi friends

Any body guides me to access my account , i enabled 2 step verification in my gmail account , i lost my backup phones ,can i know the procedure

thank u

regards

niraj

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