Samsung SM-A520F User Manual Page 137
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Settings
137
Device maintenance
The device maintenance feature provides an overview of the status of your device’s battery,
storage, memory, and system security. You can also automatically optimize the device and
ultra data saving mode helps you manage your mobile data usage.
Battery
Storage
Device security
Memory
Ultra data saving may not be available depending on the region or service provider.
Using the quick optimization feature
On the Settings screen, tap
Device maintenance
→
FIX NOW
or
OPTIMIZE NOW
.
The quick optimization feature improves device performance through the following actions.
•
Clearing some memory.
•
Deleting unnecessary files and closing apps running in the background.
•
Managing abnormal battery usage.
•
Scanning for crashed apps and malware.
- User Manual 1
- Table of Contents 2
- Read me first 4
- Instructional icons 6
- Device layout and functions 10
- Device layout 11
- Type 2 (SM-A520F, SM-A720F): 13
- Charging the battery 15
- Fast charging 18
- Tray 2Tray 1 25
- Removing the SIM or USIM card 28
- Memory card (microSD card) 29
- Type 1 (SM-A320F, SM-A320Y): 30
- Removing the memory card 33
- Formatting the memory card 33
- Turning the device on and off 34
- Initial setup 35
- Select a language 36
- Samsung account 38
- Removing your Samsung account 39
- Smart Switch 40
- Samsung Cloud 42
- Understanding the screen 43
- Dragging 44
- Double-tapping 44
- Spreading and pinching 44
- Home screen and Apps screen 45
- Moving items 46
- Creating folders 47
- Editing the Home screen 48
- Indicator icons 49
- Lock screen 50
- Screen capture 51
- Notification panel 52
- Using quick setting buttons 53
- Entering text 54
- Additional keyboard functions 55
- Copying and pasting 55
- Dictionary 56
- Apps and features 57
- Managing apps 58
- Making calls 59
- Using speed dial 60
- Making an international call 60
- Receiving calls 61
- Blocking phone numbers 61
- Options during calls 62
- Contacts 64
- Searching for contacts 65
- Sharing contacts 66
- Saving and sharing profile 66
- Messages 67
- Viewing messages 68
- Blocking unwanted messages 69
- Internet 70
- Using secret mode 71
- Setting up email accounts 72
- Sending emails 72
- Reading emails 72
- Launching Camera 73
- Using swipe gestures 74
- Basic shooting 76
- Changing shooting modes 77
- Auto mode 78
- Pro mode 78
- Panorama 79
- Hyperlapse 79
- Using the selfie flash 80
- Applying beauty effects 80
- Wide selfie 81
- HDR (Rich tone) 82
- Camera settings 83
- Viewing images and videos 86
- Viewing albums 87
- Viewing stories 87
- Creating stories 88
- Sharing stories 88
- Deleting images or videos 89
- Always On Display 90
- Multi window 92
- Using additional options 93
- Adjusting the window size 93
- Pop-up view 95
- Samsung Pay 96
- Setting up Samsung Pay 97
- Registering cards 97
- Making payments 98
- Samsung Members 99
- Samsung Notes 100
- Calendar 101
- S Health 102
- Using S Health 103
- TOGETHER 104
- Additional information 105
- Setting a wake-up command 106
- Using S Voice 106
- Introduction 106
- Setting the language 107
- Voice Recorder 108
- My Files 109
- WORLD CLOCK 110
- Calculator 111
- Listening to the FM radio 112
- Game Launcher 113
- Using Game Launcher 114
- Changing the performance mode 114
- Using Game Tools 115
- Sharing content 116
- Google apps 117
- Hangouts 118
- Settings 119
- Connecting to a Wi-Fi network 121
- Wi-Fi Direct 121
- Sending and receiving data 122
- Ending the device connection 122
- Bluetooth 123
- NFC and payment 124
- Sending data 126
- Mobile hotspot and tethering 127
- More connection settings 128
- Printing 129
- MirrorLink 130
- Sounds and vibration 131
- Notifications 132
- Wallpapers and themes 134
- Advanced features 135
- Device maintenance 137
- Power saving mode 138
- Managing the battery 138
- Device security 139
- Lock screen and security 140
- Fingerprint recognition 141
- Registering fingerprints 142
- Deleting fingerprints 143
- Samsung Pass 144
- Managing sign-in information 145
- Secure Folder 146
- Adding apps 148
- Adding accounts 148
- Hiding Secure Folder 149
- Cloud and accounts 150
- Backup and restore 151
- Accessibility 152
- General management 153
- Software update 154
- User manual 155
- About phone 155
- Appendix 157
- Restarting the device 158
- Forcing restart 158
- Resetting the device 158
- Samsung Cloud does not work 163
- Copyright 164
- Trademarks 164
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