If you’re looking to recover the call history from your iPhone, this step-by-step guide will show you how to retrieve your call history from any iCloud or iTunes backup -- including calls made with WhatsApp and Skype.
This article will help you find files belonging to a particular app inside an iPhone backup. It'll also help you build a better understanding of how files and folders are arranged on iOS. Find out what each of the files in your iPhone backup contains: which file has your contacts, which one has your notes, etc. See which files are present between iOS versions and what they contain.