If you change the smartphone or reset it, you can restore your iPhone with a backup. There are several ways you can quickly copy not only settings, but also photos and other personal information to the phone.
We generally recommend that you regularly backup your data. Only then are you prepared for an emergency: Even if your iPhone is stolen, you can set up a replacement device in a short time and use it like the old device. The backup copy can be created with iTunes or the iCloud. The latter is particularly convenient because you can secure all content via Wi-Fi without first having to connect the iPhone to the PC.
Use an iCloud backup for recovery
Even without a subscription offers you the free version of iCloud enough free memory, so you can at least secure your contacts and many settings. If you already use the backup feature, you can easily transfer the data to a new Apple smartphone. Turn on the not yet set up mobile phone. If it is already set up, you should first delete all data - this will happen by uploading the backup either way.
Follow the instructions on the screen of your iPhone until you reach "Apps & Data" at setup. Now you tap on "Restore from iCloud backup". Then you will be asked to sign in with your Apple ID. Finally, the iOS device will show you the available backups. Now all you have to do is select the appropriate backup copy and wait for the process to complete.