I’ve reviewed the best data recovery software you can buy, which often require a costly subscription. However, there are some very good free apps that can help restore your missing files or photos.
See disaster recovery and disc repair. The best data recovery technique is to have data already backed up on another storage device either on the same computer, a network server or the Internet.
Recovery mode is often indispensable for solving phone problems. This guide explains what it is and precisely how to access it on most major Android phones.