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Table of contents
vii
Device maintenance
96
Quick optimization
96
Battery
96
Storage
97
Memory
98
Language and input
98
Date and time
101
Troubleshooting
101
Lock screen and security
104
Screen lock types
104
Clock and information
105
Google Play Protect
106
Find My Device
106
Security update
106
Samsung Pass
107
Install unknown apps
107
Secure Folder
107
Encrypt SD card
107
Set up SIM card lock
108
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