A Beginner's Guide to your Samsung Galaxy J3 (2018)


A Beginner’s Guide to your Samsung Galaxy J3 (2018).

For basics that are common to all Android phones, please see:
A Beginner’s Guide to Android


You’ve received your new Samsung Galaxy J3, and followed Republic Wireless’ activation guide. What’s next? Here are a few basics to help you understand how to use your new phone.

Table of Contents

Set up the phone

How to insert the SIM card

Instructions can be found in the activation wizard at: Activate | Republic Wireless

How to sign into your Google Account (Or any other accounts!).

Android has tools built into the settings to easily allow you to add and maintain accounts on your phone. This guide will focus on your Google account, but you can use these steps for just about any account.

How and why to create a Google Account.

A Google account is crucial for a smooth android experience. Your Google account is used for everything from your contacts to the app store (very important).

On a PC or Mac you can follow this link here to register for a Google account.

How to update the Android Build

This phone left the Manufacturer’s warehouse with Android 8.0 Oreo installed on it. Since its manufacture date, there may have been some updates to that software. Check for updates by following these steps:

  • Swipe down from the home screen.
  • Tap the gear icon to open the settings.
  • Scroll down to the bottom and select updates.
  • Tap manually update.

Start using the phone

How to Turn on the Phone

Powering on, off, and waking the phone

To turn on your Samsung Galaxy J3:

  • Charge the phone.
  • Press and hold the power button found on the right of the phone.

To power down your Samsung Galaxy J3:

  • Press and hold the power button on the right of the phone.
  • Tap the “Shutdown/ Turn Off” button.
    If you would like to restart your phone you can also select “restart”.

To wake your phone from sleep simply tap the power button on the right side of the phone.

The difference between off and asleep

The difference between the phone being off and the phone being asleep is as follows:

  • Sleep is a power saving state, the phone is still on.
  • You can receive phone calls and text messages while the phone is asleep.
  • Waking from sleep is nearly instant.

Powered Off:

  • When the phone is off none of its electrical components are running.
  • Battery will drain at a negligible rate.
  • Cannot receive phone calls or text messages.
  • Slow to boot.

Locking and unlocking the phone

To unlock your phone tap the power button, then swipe upwards on your screen. Depending on how you set up your screen security, you may need to enter a PIN or a gesture.

What happens if you forget your PIN/PW/Pattern

If you are unable to unlock your phone screen using your PIN, password, or pattern, Republic Wireless cannot unlock it for you. You will have to factory reset the phone, which erases all your personal content and restores the phone to its out-of-the-box condition. You must know your Google account username and password to unlock the phone after a factory reset.

Calling and Texting

How to Make and Receive Calls

As long as your phone is on and within a service area you will receive phone calls.

How to make a call

To make a call simply tap on the dialer icon and input the phone number you wish to call.

Dialing from recents, contacts, and with a 10-digit number

Recent calls will show up on the main page of the dialer app, simply tap the recent entries there to call them.

Contacts can be found in the dialer by tapping the “contacts” button found on the main page of the dialer app.

Since 2001, 10-digit phone numbers have been required to make a phone call in the US. Some providers however, allowed you to make calls without using an area code. Republic requires the use of an area code when making a call so be sure to include it when you call somebody.

How to answer a call or send to voicemail

  • To answer a phone call swipe the green button to the right.
  • To send to voicemail swipe the red button to the left.
  • To mute the call simple press any of the volume buttons once.

How to check voicemail

From the dialer app simply press and hold the number 1 button.

How to send a text messages with Android Messages or Republic Anywhere

Basic SMS

SMS messages are short text messages sent to a single recipient.


MMS messages are text messages with attachments, like photos, or text messages to a group of people.


How to use the camera

Tap on the camera icon on the home screen to open the camera app. From there simply point at what you would like to capture and press the shutter button. Past that it is best to simply play around with the app to learn its controls.

How to view your photos

Samsung includes a gallery app that allows you to view your photos. Simply open the app drawer and select the gallery app.


How to find the apps drawer (and why).

The apps drawer is the container for all your apps, whether you’ve added them to your home screen or not. They are listed in the order apps are installed by default, and there may be more than one page (or screen) of apps on the list. You can change the ordering of apps by opening the drawer and selecting the hamburger menu.

On the Samsung Galaxy J3 simply swipe up from the home screen to access the app drawer.

How to open and use the RW app

You can find the Republic app within the app drawer. Simply tap on it from there.

Volume Control

How to adjust the volume

General volume options can be found in the settings.


While not listening to music or watching video you can adjust the ringtone volume using the volume buttons found on the left side of the phone.


While watching a video or listening to music you can adjust the volume using the volume buttons found on the left side of the phone.


While in a phone call you can adjust call volume using the volume buttons on the left side of the phone.

Do not disturb/priority mode

You can enable or disable Do Not Disturb mode by swiping down from the home screen and tapping the Do Not Disturb icon. When Do Not Disturb is enabled, you will not hear any notifications and your phone will not ring. You can set up exceptions for this in the settings.

Additional Resources

Where to Find the Manufacturer’s User’s Guides



Help app


General Advice

If you can’t find an option in the settings try using the search function to find it.

Apps can help fill the gaps left by the phone manufacturer. Missing a feature? Try looking for it in the Play Store!

Don’t want to deal with any Samsung apps or prefer using Microsoft/Google’s ecosystem? You can disable the Samsung apps in the settings and install the apps you want instead.

If you are missing calls be sure to disable Android’s doze feature in the settings.

New phone number? Setting a personal voicemail greeting can deter callers trying to reach the previous owner of your phone number.


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