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Table of contents
viii
One-handed mode
133
Device maintenance
133
Quick optimization
133
Battery
134
Storage
134
Memory card
134
Memory
135
Advanced options
136
Language and input
137
Date and time
139
Troubleshooting
140
Lock screen and security
143
Screen lock types
143
Google Play Protect
144
Find My Mobile
145
Security update
145
Google Play system update
145
Samsung Pass
146
Samsung Blockchain Keystore
146
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