1. Google 2 Step Verification Backup Codes Google 2 Steps Verification Backup Codes is very important to get access Gmail account. Backup codes is usually 8 digit backup codes its will send on your private phone number. http://www.snakepoke.com/google-2-step-verification-without-phone-number

2. Google Authenticator Backup Codes Google 2 Steps Verifications protect your account as well as your password… Google authenticator allow to all Gmail users, they can use one to get access your Gmail account and this process also apply for android phone

3. HOW TO TRANSFER GOOGLE AUTHENTICATOR TO A NEW PHONE Google also give an option for change phone number to Google 2 steps verifications.. For Smartphone user can follow the link - https://accounts.google.com/b/0/SmsAuthConfig https://accounts.google.com/b/0/SmsAuthConfig Then you will see an option on your mobile screen “CHANGE PHONE” OR “ADD PHONE”

4. Disable & Re-Enable Google 2 Steps Verifications Authentication Get enable Google 2 Steps Verifications for secure Gmail sign and account password…. 1 Open the Link - https://myaccount.google.com/intro/securityhttps://myaccount.google.com/intro/security 2 Click the 2-Step Verification option 3 Then ask for OTP code sent on your mobile phone 4 Enter the OTP Code 5 Then you will see a option for Enable 2-Step Verifications