This helpful step by step guide will teach you how to: Prepare your Galaxy J4 Core for the factory reset operation. How to save your phone’s data (Contacts, SMS, Photos, Videos,… Etc). The most important accounts information you want to save before formatting your device. Factory Reset (Hard Reset) the Galaxy J4 Core (Tow methods). Wipe (Delete) your phone’s data completely. Put the Galaxy J4 Core into Recovery Mode. Wipe the cache partition on the Galaxy J4 Core. Soft reset your Galaxy J4 Core.

By reading this guide, You will learn: How To Update your Samsung Galaxy J4 Core via FOTA, Samsung Smart Switch software, And manually using the Samsung Odin flasher. How To Download Samsung Galaxy J4 Core Firmware Files. How To Prepare your Galaxy J4 Core for the manual software update. How To Select the Galaxy J4 Core 4 firmware files in Samsung Odin flasher. How To Use Samsung Odin flasher. How To Put your Galaxy J4 Core into Download Mode. How To Install the latest software update on your Galaxy J4 Core.