for iOS 9.1 software

sign in and access your information on your new device.
You won’t be prompted for a verification code again on that device
unless you sign out completely, erase your device, or need to change
your password for security reasons.
For more information on two-factor authentication, see
.
Touch ID
On iPhone 5s and later, you can unlock iPhone by placing a finger on the
Home button. Touch ID also lets you:
Use your Apple ID password to make purchases in the iTunes Store,
App Store, or iBooks Store.
Authorize credit or debit card payments using Apple Pay.
Provide debit and credit card info, billing and shipping addresses,
and contact info when paying in an app that offers Apple Pay as a
method of payment.
Set up the Touch ID sensor. Go to Settings > Touch ID & Passcode. Set
whether you want to use a fingerprint to unlock iPhone, and to make
purchases. Tap Add a Fingerprint, then follow the onscreen instructions.
You can add more than one fingerprint (your thumb and forefinger, for
example, or one for your spouse).
Note: If you turn iPhone off after setting up the Touch ID sensor, you’ll
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