The Oppo A7 runs on ColorOS 5.2 which is based on Android 8.1. Our unit had the fairly recent November 2018 security patch. This is the latest version of Oppo’s custom OS, which we recently saw on the Realme U1. Notifications can now be swiped away in one go.
Method to recover data from oppo a7:
Samsung Data Recovery Software scans your Samsung phone and recover Samsung phone files. It can recover contacts, photos, videos, text messages, call logs, WhatsApp messages/photos, music, books and other document files from Samsung phones that you can’t access.