My carrier
Services
This guide provides you with the information you
If you are a new T-Mobile
Welcome
need to get started. For more information and
service is not yet activated, call Customer Care
additional support, please visit
at 1.800.937.8997 and a T-Mobile Activations
Start Guide
T-Mobile.com/support/ where you can:
representative will assist you.
You need the following information when
• Register at my.t-mobile.com/ to check
activating service:
your minutes, pay your bill, upgrade your
• Your Service Agreement and the agent
phone, and change your rate plan.
• Review your device's User Manual and
• Your name, home address, home phone
troubleshooting FAQs.
• View the latest troubleshooting solutions
Note: For business and government accounts,
in the Support Forums or ask a question
please provide the name of the organization, the
address, and the tax ID.
of your own.
Access account information:
• Your Social Security number, current
1. From a home screen swipe up, and then tap
T-Mobile folder >
T-Mobile.
• Your choice of T-Mobile rate plan and
2. Choose from an available category.
• SIM serial number and IMEI number
Service or use is your agreement to T-Mobile's
Terms and Conditions. T-Mobile requires
Arbitration of Disputes unless, for new
customers, you opt-out within 30-days, or for
existing customers, you previously opted-out.
Failure to activate service within 30-days from
purchase will also be considered acceptance.
For details, see T-Mobile's Terms and
Conditions at T-Mobile.com/terms-conditions.
Samsung Care
customer and your
How can we help you?
®
Get to know your product
• To access user manuals, tips and more visit
Samsung.com/us/support.
Ask the community
• To ask questions and get solutions
code on your Agreement
from other Samsung customers visit
us.community.samsung.com.
number, and billing address
Contact us for support
• For hardware or software support call us at
1.800.SAMSUNG or visit
Samsung.com/us/support/contact.
driver's license number, and date of birth
• To find a service location near you visit
for credit check purposes
support-us.samsung.com/cyber/locator/
asc_locator.jsp.
services (see T-Mobile.com for the latest
plan information)
(located on the box barcode label)
About your phone
Camera
Flash
Camera
+
Volume
Power/Lock
-
USB/Charger port
Home
Recents
Back
Set up your phone
Charge the phone
Before turning on your phone, charge it fully.
Remove the back cover
and battery.
Slide the SIM card into
the SIM card slot.
Slide the microSD card
into the microSD card
slot.
microSD card
sold separately.
Install the battery and
replace the back cover.
Caution: Use only Samsung approved charging
devices and batteries. Samsung accessories are
designed for your device to maximize battery
life. Using other accessories may void your
warranty and may cause damage.
Customize your phone
Pinch a home screen to change the look and feel of your device:
Wallpaper
Themes
Widgets
Home screen
settings
From a home screen, swipe up, and tap
Bixby
Settings
to customize, connect or turn on
Set reminders, send
options to personlize your phone:
messages, search and
access content on your
• Connections
phone and Internet.
Connect to a Wi-Fi network, Bluetooth device
and other connection options.
From a home screen,
swipe right, and follow
• Sounds and vibration
the prompts.
Set device volume and sounds.
Note: For more
• Display
information about
Customize the home screen and display
Bixby, visit
brightness.
Samsung.com/us/
• Lock screen
support/owners/
Select a screen lock type and set security
app/Bixby.
options.
Need help?
Do you have a question about the Galaxy J3 Star and is the answer not in the manual?
Questions and answers