User Manual
Table Of Contents
- Samsung Galaxy A03s User Manual
 - Contents
 - Getting started
 - Camera and Gallery
 - Apps
 - Settings
- Access Settings
 - Connections
 - Sounds and vibration
 - Notifications
 - Display
 - Lock screen and security
- Screen lock types
 - Google Play Protect
 - Security update
 - Find My Mobile
 - Find My Device
 - Private Share
 - Install unknown apps
 - Encrypt or decrypt SD card
 - Password for factory data reset
 - Set up SIM card lock
 - View passwords
 - Device administration
 - Credential storage
 - Advanced security settings
 - Permission manager
 - Samsung Privacy
 - Google Privacy
 - Location
 
 - Accounts
 - Device maintenance
 - Accessibility
 - Other settings
 
 - Learn more
 - Legal information
 
Settings 
Reset 
Reset device and network settings. You can also reset your device to its factory 
defaults. 
Reset all settings 
You can reset your device to its factory default settings, which resets everything 
except the security, language, and account settings. Personal data is not affected. 
1. 
From Settings, tap 
General management > Reset > Reset all settings. 
2.  Tap Reset settings, and confirm when prompted. 
Reset network settings 
You can reset Wi-Fi, mobile data, and Bluetooth settings with Reset network settings. 
1. 
From Settings, tap 
General management > Reset > Reset network settings. 
2.  Tap Reset settings, and confirm when prompted. 
Reset accessibility settings 
You can reset device accessibility settings. Accessibility settings in downloaded apps 
and your personal data are not affected. 
1. 
From Settings, tap 
General management > Reset > Reset accessibility settings. 
2.  Tap Reset settings, and confirm when prompted. 
Auto restart at set times 
Optimize your device by restarting it automatically at set times. Any unsaved data will 
be lost when the device restarts. 
1. 
From Settings, tap 
General management > Reset > Auto restart at set times. 
2. 
Tap 
to activate Auto restart, and then set the following parameters: 
• 
Days: Select the day of the week to automatically restart your device. 
• 
Time: Set the time of day to restart your device. 
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