SAMSUNG Galaxy SM-T638U Tablet 

Galaxy SM-T638U Tablet

Package contents

  • Device
  • USB cable
  • USB power adaptor
  • Battery
  • S Pen
  • Protective case
  • Quick start guide
  • The items supplied with the device and their images may vary by region.
  • The charger should remain close to the electric socket and easily accessible while charging.
Accessing more information

Visit to view device information and more. To view the user manual, scan the QR code on the front cover. You may incur additional charges for accessing the Internet.

Installing a nano-SIM card (sold separately) and battery

  • Ensure that the back cover is closed tightly.
  • For the best performance, use only Samsung- approved back covers.
    Installing a nano-SIM card (sold separately) and battery
    Installing a nano-SIM card (sold separately) and battery

Symbol Ensure that the back cover is closed tightly to prevent water and dust from entering the device. Open or loose back cover may allow water and dust to enter the device and cause damage.

Terms & Conditions

Read this document before operating the mobile device, accessories, or software (defined collectively and individually as the “Product”) and keep it for future reference. This document contains important Terms and Conditions. Electronic acceptance, opening the packaging, use, or retention of the Product constitutes acceptance of these Terms and Conditions.
You can obtain a copy of the complete Terms and Conditions and Samsung Standard One-year Limited Warranty by contacting Samsung at the address or phone number provided in this document.
Arbitration Agreement – This Product is subject to a binding Arbitration Agreement between you and SAMSUNG ELECTRONICS AMERICA, INC. (“Samsung”). You can opt out within 30 calendar days of purchase: email or call 1-800-SAMSUNG (726-7864) and providing the applicable information.
The Arbitration Agreement, Standard One-year Limited Warranty, End User License Agreement (EULA), and additional Health, Safety and Device care information, including:

  • Device Temperature
  • Samsung Knox security platform
  • Maintaining Dust and Water Resistance (IP rating)
  • Location, Navigation, GPS and AGPS
  • Wireless Emergency Alerts (WEA) are available at:


This information is also on the device:
Settings > About phone or About device or About tablet > Legal information > Samsung legal or, search for “Legal”
You can view the Federal Communications Commission (FCC) certification, if applicable, by opening Settings > About phone or About device or About tablet > Status or Status information

Diagnostic software

This device may be equipped with diagnostic software reporting usage and performance information used to assess, deliver and improve network quality and the overall device experience to wireless customers. Please refer to your service provider’s terms and conditions or privacy policy for more information.

Specific Absorption Rate (SAR) certification information

For information visit:

Exposure to Radio Frequency (RF) signals

For information, visit support/legal/mobile then select Health and Safety Information > Radio Frequency (RF) signals
Printed in Korea GH68-54892A Rev.1.0 English (USA). 08/2022

Samsung mobile products and recycling

WARNING! Never dispose of batteries in a fire because they may explode. Do not disassemble, crush, puncture, heat, burn or reuse batteries. For more information, visit: or call 1-800-SAMSUNG.

FCC Part 15 Information and Notices

This device complies with part 15 of the FCC Rules. Operation is subject to conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Emergency calls

Emergency calls may not be possible on all wireless mobile device networks or when certain network services and/or mobile device features are in use. Check with local service providers. If certain features are in use (e.g. call blocking) you may first need to deactivate those features before you can make an emergency call.

Pacemaker and implantable medical devices

CAUTION! Persons who have implantable medical devices should consult their health care provider before using mobile electronic devices. For more information, visit then select Health and Safety Information > FCC Part 15 Information and Notices

Customer Support

Printed in Korea
GH68-54892A Rev.1.0
English (USA). 08/202
Samsung Electronics America, Inc.
85 Challenger Road
Ridgefield Park, NJ 07660
Phone: 1.800.SAMSUNG (726-7864)
© 2022 Samsung Electronics America, Inc. Samsung & Samsung Galaxy are registered trademarks of Samsung Electronics Co., Ltd. Other company and product names mentioned herein may be trademarks of their respective owners. Screen images simulated. Appearance of device may vary. Images shown are for reference only. If you use a screen protector, make sure it allows for use of touch-screen features.


Documents / Resources

SAMSUNG Galaxy SM-T638U Tablet [pdf] User Guide
SMT638U, A3LSMT638U, Galaxy SM-T638U, Galaxy SM-T638U Tablet, SM-T638U Tablet, Tablet


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