This is where two apps- App Backup & Restore and SMS Backup & Restore comes into the spotlight. However, transferring apps, data and SMS is little difficult. Since your contacts gets synced to your Gmail’s address book, your contacts will be restored as soon as you sign in with your Gmail id on your new device. If you’re moving from an android to another android, them moving contacts is easy. Since the android smartphone market is being flooded by manufacturers show-casing their newest smartphone, you’ll probably end up changing your device every 2-3 months. Windows Phone: How to migrate from Windows Phone to Android? Android: How to migrate to Android from Android?