![background image](http://html.mh-extra.com/html/samsung/sm-a515f/sm-a515f_user-manual_1191556003.webp)
Table of Contents
3
172 Privacy
172 Location
173 Accounts and backup
175 Google
175 Advanced features
176 Link to Windows
177 Motions and gestures
178 Dual Messenger
179 Digital Wellbeing and parental
181 Optimizing your device
182 Battery
183 Storage
183 Memory
183 Security
184 Apps
184 General management
185 Accessibility
186 Software update
187 About phone
139 Introduction
139 Connections
140 Wi-Fi
142 Bluetooth
144 Data saver
144 Mobile data only apps
145 SIM card manager (dual SIM
145 Mobile Hotspot and Tethering
147 More connection settings
149 Dolby Atmos (surround sound)
150 Separate app sound
152 Blue light filter
153 Dark mode
154 Changing the screen mode or
155 Wallpaper
155 Themes
156 Lock screen
158 Face recognition
161 Fingerprint recognition
164 Samsung Pass
167 Secure Folder