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Smart stay 120
Device maintenance 120
Quick optimization 120
Battery 120
Device storage 121
Memory 121
Device security 121
Language and input 121
Date and time 124
Troubleshooting 124
Lock screen and security 127
Screen lock types 127
Google Play Protect 129
Find My Mobile 129
Security update 130
Samsung Pass 130
Samsung Blockchain Keystore 130
Install unknown apps 130
Secure Folder 131
Table of contents
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