How to backup iphone6s plus

Hello, I am happy to answer your question

Select the "iCloud" option in the settings options, and then turn on the options that need to be backed up in the iCloud options to indicate which functions need to be backed up.

Click "Storage and Backup" to enter the backup page, and click "Backup Now" to back up the device.

I hope it can help you. For details, please contact the repair machine online customer service