"My iPhone 6S manual upgrade failed, I have to restore my iPhone to factory settings, but I lost all my data, including contacts, photos, videos, notes and so on... How can I do to
recover deleted data from iPhone 6S without backup?"
iPhone Data Recovery and iPhone Data Recovery for Mac are the all-in-one yet easy-to-use data recovery tool which allows you one click to restore your lost and deleted data including contacts, sms, photos, notes, call logs and more up 20 types of files from your iPhone 6s in a click.
What's more, there are 3 simple ways providing to choose:
Way 1. Directly recover lost data from iPhone without backup.
Way 2. Extracting to recover lost data from iTunes backup.
Way 3. Extracting to recover lost data from iCloud backup.
Related:
Recover Lost SMS from iPhone 6S