This book is a guide or manual to assist users of the Samsung s21 plus to set up and get accustomed to their device. In about 148 illustrated pages with step-by-step procedures, users can easily understand how their new device works. This book. contains 14 chapters each dealing with a different aspect of the functions of the Samsung s21 plus ranging from set-up, transferring data from another device, navigation, familiarization, customization, wallpaper, etc. This book covers the basics of all that any user needs to know to effectively use their new device.