![background image](http://html1.mh-extra.com/html/samsung/sm-a515w/sm-a515w_user-manual_4209283003.webp)
Table of Contents
3
177 Location
178 Accounts and backup
180 Google
180 Advanced features
181 Link to Windows
182 Motions and gestures
183 Dual Messenger
184 Digital Wellbeing and parental
186 Optimizing your device
187 Battery
188 Storage
188 Memory
188 Security
189 Apps
189 General management
190 Accessibility
191 Software update
191 About phone
192 Troubleshooting
197 Removing the battery
143 Introduction
143 Connections
144 Wi-Fi
146 Bluetooth
148 NFC and payment
150 Data saver
150 Mobile data only apps
151 Mobile Hotspot and Tethering
153 More connection settings
155 Dolby Atmos (surround sound)
156 Separate app sound
158 Dark mode
158 Blue light filter
159 Changing the screen mode or
160 Wallpaper
160 Themes
161 Lock screen
163 Face recognition
166 Fingerprint recognition
169 Samsung Pass
172 Secure Folder