Why google authenticator doesn't work on your iPhone when you switch from other iOS mobile device?

Recently, I have changed my phone from Andoroid phone to iPhone, Installed Google authenticator on my new iPhone, but those codes never works, Below are the steps need to be considered to resolve the issue,

Login to accounts.google.com, Choose 'Security'

Select 'Edit' option as shown below

Select your phone type option

Download 'google authenticator' app on your new phone, When it prompts for scan the bar code, Scan the bar code, You will get a new code on your phone device, enter that code on your 2Step verification screen,

You are all set now.