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User manual
SM-J337T,
SM-S357BL
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Table of Contents
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Summarization of Contents

Basics
Read me first
Important notes before using the device to ensure safe and proper operation.
Using this manual
Instructional icons
Familiarise yourself with icons used in the manual for better understanding of instructions.
Copyright information
Lists trademarks and ownership of technologies and products within the device.
Safety and Usage Information
Safety warnings
Keep phone away from small children and pets to prevent injury or choking.
Health and safety information
Exposure to Radio Frequency (RF) Signals
Discusses FCC regulations, SAR limits, and potential health effects of RF energy exposure.
Certification Information (SAR)
Details the Specific Absorption Rate (SAR) testing and compliance for the device.
FCC Notice and Cautions
FCC Notice
States compliance with FCC Rules and conditions for operation and interference.
Cautions
Warns about modifications, unauthorized accessories, and physical handling of the phone.
Other Important Safety Information
Battery Standby and Talk Time
Explains how phone usage and conditions affect battery life and performance.
Battery Precautions
Provides guidelines on using, charging, and handling batteries to prevent damage.
Introducing your mobile phone
Unpack
Check your product box for included items like the phone, travel adapter, and user manual.
Phone layout
Keys
Details the functions of various keys on the phone, including softkeys and navigation.
Display
Describes the three areas of the phone's display: icon line, text area, and softkey line.
Icons
Learn about the icons that appear on your phone's display.
Assembling and preparing your mobile phone
Install the SIMor USIM card
Instructions on how to insert the SIM or USIM card into the tray.
Charge the battery
Steps for charging the battery for the first time using the travel adapter.
Using basic functions
Turn your phone on and off
Steps to power the phone on and off, including PIN entry and setup wizard.
Use basic call functions
Learn to make, answer calls, adjust volume, and use speakerphone features.
Send and view messages
Instructions for sending and viewing text, multimedia (MMS), and email messages.
Connectivity
Bluetooth
Information about Bluetooth technology for short-range wireless communication.
Wi-Fi
How to activate and connect to wireless local area networks (WLANs) using Wi-Fi standards.
Mobile AP
Turns the device into a wireless access point (AP) to connect other devices to the internet.
Wi-Fi direct
Turning Wi-Fi Direct On or Off
Instructions on how to enable or disable the Wi-Fi Direct feature.
Configuring Wi-Fi direct
Steps to set up and manage Wi-Fi Direct connections, including scanning and multi-connect.
PC Connections
Configuring Your Phone USB Settings
Selects the communication method for USB port, choosing between PC Studio, Media Player, or Mass Storage.
FCC Hearing Aid Compatibility (HAC) Regulations for Wireless Devices
M-Ratings
Explains M-ratings for wireless devices indicating their compatibility with hearing aids.
T-Ratings
Explains T-ratings for wireless devices indicating their compatibility with hearing aids using telecoil.
HAC for Newer Technologies
Discusses testing and rating of newer wireless technologies for hearing aid compatibility.

Table of Contents