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Samsung Galaxy M31 128GB User Manual

Samsung Galaxy M31 128GB
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www.samsung.com
USER MANUAL
English (LTN). 03/2021. Rev.1.1
SM-M315F/DS
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Table of Contents

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Samsung Galaxy M31 128GB Specifications

General IconGeneral
Resolution1080 x 2340 pixels
ProcessorExynos 9611
RAM6GB
Storage128GB
Rear Camera64 MP + 8 MP + 5 MP + 5 MP
Front Camera32 MP
Battery6000 mAh
Operating SystemAndroid 10, upgradable to Android 11, One UI 3.1
Weight191 g
Dimensions159.2 x 75.1 x 8.9 mm
ColorsOcean Blue, Space Black
SIMDual SIM (Nano-SIM, dual stand-by)
NetworkGSM / HSPA / LTE
Bluetooth5.0, A2DP, LE
USBUSB Type-C 2.0
Fingerprint SensorRear-mounted
Face UnlockYes
Display6.4 inches
Expandable StorageYes, up to 512GB

Summary

Basics of Device Operation

Initial Safety and Usage Guidelines

Important safety and usage guidelines before operating the device.

Device Overheating: Causes and Solutions

Explains causes and solutions for device heating during charging and use.

Device Layout and Physical Buttons

Overview of the device's physical components and package contents.

Battery Charging and Power Saving

Instructions and precautions for charging the device's battery.

SIM Card and Memory Card Usage

Step-by-step guide for installing SIM and microSD cards.

Powering On, Off, and Initial Setup

Procedures for powering the device on/off, restarting, and initial setup.

Biometric Security: Fingerprints and Face Recognition

Registering and using fingerprint and face recognition for device unlock.

Camera Functions and Modes

Guide to using the camera, modes, and settings for photos and videos.

Apps and Features Guide

Samsung Account Management

How to create, sign in, and manage a Samsung account.

Data Transfer with Smart Switch

Guide to transferring data using Smart Switch via USB or wirelessly.

Screen Navigation and Touchscreen Gestures

Explains basic touchscreen gestures and navigation bar functions.

Home Screen and App Management

Customizing the home screen and managing apps.

Phone Calls and Messaging

How to make calls, send messages, and manage contacts.

Internet Browsing and Secret Mode

How to browse the web and use the internet app's secret mode.

Multi-Window and Pop-Up View Usage

How to use apps in split screen and pop-up window modes.

Productivity Apps: Notes, Calendar, Reminders

Guide to using Samsung Notes, Calendar, and Reminder applications.

Device Settings Configuration

Network Connections: Wi-Fi and Bluetooth

How to connect to Wi-Fi networks and pair Bluetooth devices.

Data Usage and Mobile Hotspot Settings

Managing mobile data usage and sharing internet via hotspot.

Sounds, Vibration, and Notifications

How to adjust sound modes, ringtones, and notification preferences.

Display and Screen Settings

Options for customizing screen appearance, brightness, and color.

Device Security and Biometrics

Options for securing the device with biometrics and other settings.

Accounts, Backup, and Cloud Storage

How to manage accounts and back up/restore device data.

Advanced Features and Motions

Activating and using advanced device features and motion controls.

Troubleshooting and Appendix

General Troubleshooting and Error Codes

Solutions for common device issues like error codes and connectivity problems.

Touchscreen and Performance Troubleshooting

Troubleshooting steps for unresponsive touchscreens and device freezes.

Call and Network Connectivity Issues

Solutions for issues with call quality, network disconnection, and audio.

Camera and Multimedia File Errors

Troubleshooting for camera launch errors and multimedia file playback issues.

Bluetooth and Location Connectivity Issues

Troubleshooting for Bluetooth issues and GPS location finding problems.

Hearing Aid Compatibility (HAC)

Information regarding hearing aid compatibility requirements for the device.

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