SAMSUNG -logoSAMSUNG LOGO 2Quick Reference Guide
(Terms and Conditions)

SAMSUNG A3LSMG991JPN Smartphone - FIG 1 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.

SAMSUNG A3LSMG991JPN Smartphone - FIG 1 Visit to view device information, the user manual, and more. You may incur additional charges for accessing the Internet.

Device Layout

SAMSUNG A3LSMG991JPN Smartphone - FIG 2

SAMSUNG A3LSMG991JPN Smartphone - FIG 1 The charger should remain close to the electric socket and easily accessible while charging.

Installing a nano-SIM card

SAMSUNG A3LSMG991JPN Smartphone - FIG 1 Nano-SIM cards are sold separately.

SAMSUNG A3LSMG991JPN Smartphone - FIG 3

Switching made simple

Whether you are coming from an iOS or Android platform, you can easily transfer your data with Smart Switch.

Back up your old phone
Back up your old phone using your favorite backup app.

Samsung Smart Switch

  1. From your new Galaxy device, tap Settings > Accounts and backup > Smart Switch.
  2. Tap Receive data.
  3. Select your old device type.
  4. Tap Cable (Android) or Wireless (Android and iOS) and follow the prompts to connect your phones.


Tap Settings to personalize your phone.

SAMSUNG A3LSMG991JPN Smartphone - FIG 4

Flight mode

This disables all wireless functions on your device. You can use only nonnetwork services On the setting screen, tap Flight mode.

NOTE: The use of mobile devices on an aircraft or a ship may be subject to federal and local guidelines and restrictions. Check with the appropriate author and always follow crew instructions regarding when and how you may use your device.

Important legal information

Arbitration Agreement – This Product is subject to a binding arbitration agreement between you and SAMSUNG ELECTRONICS AMERICA, INC. (“Samsung”). You can opt-out of the agreement within 30 calendar days of the first consumer purchase by emailing [email protected] or calling 1-800-SAMSUNG (726-7864) and providing the applicable information.
The full Arbitration Agreement, Standard One-year Limited Warranty, End User License Agreement (EULA), and Health & Safety Information for your device are available online:

This information can also be found on the device in the “About device” or “About phone” or “About tablet” section, for example:

  • Settings > About phone or About device or About tablet > Legal information > Samsung legal
  • Or, Search “Legal”

If your device required Federal Communications Commission (FCC) approval, you can view the FCC certification by opening Settings > About phone or About device or About tablet> Status.

Health and Safety

WARNING! To avoid electric shock and damage to your device, do not charge the device while it is wet or in an area where it could get wet. Do not handle the device, charger, or cords with wet hands while charging.

Maintaining dust and water resistance
The device is not impervious to dust and water damage in any situation.
It is important that all compartments are closed tightly.
Follow these tips carefully to prevent damage to the device and maintain dust and water resistance performance:

  • Water-resistant based on IP68 rating, which tests submersion in fresh water deeper than 1.5 meters or keeps it submerged for more than 30 minutes. If the device is exposed to fresh water, dry it thoroughly with a clean, soft cloth; if exposed to liquids other than freshwater, rinse with fresh water and dry as directed.
  • Any device which uses accessible compartments or ports that can be opened should have these sealed or closed tightly to prevent liquid from entering the system.
  • If the device has been immersed in water or the microphone or speaker is wet, the sound may not be heard clearly during a call. After wiping the device with a dry cloth, dry it thoroughly before using it.
  • Do not expose the device to water at high pressure.
  • If the device is dropped or receives an impact, the water and dust resistant features of the device may be damaged.

Note: Liquid other than fresh water may enter the device faster. Failure to rinse the device in fresh water and dry it as instructed may cause the device to suffer from operability or cosmetic issues.

Samsung Knox
Samsung Knox is Samsung’s security platform. Additional licensing fees may be required for enterprise use. For more information about Knox, please refer to:

Specific Absorption Rate (SAR) certification information
For information about SAR, visit :

Body-worn operations are restricted to belt clips, holsters, or similar accessories that have no metallic component in the assembly and must provide at least 1.5cm separation between the device and the user’s body.
Samsung Wireless Power Sharing feature allows device-to-device charging without the need for a charger.
If your device supports the wireless power-sharing function, this equipment should be operated with a minimum distance of 20 cm between the device and your body.
Note: Foldable devices can be stored in an environment with ambient temperatures of -10°C / 14.0°F to 50°C / 122°F safely; prolonged exposure to temperatures outside these recommended temperatures can pose a high risk of damage to the device.

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.
For battery and cell phone recycling, go to or call 1-800-822-8837.

SAMSUNG A3LSMG991JPN Smartphone - FIG 5For more recycling information, go to our website: or call 1-800-SAMSUNG.

Your location
Location-based information on that can be used to determine the approximate location of a mobile device. If you use applications that require location-based information (e.g., driving directions), such information may be shared with third parties, including your wireless service provider, applications providers, Samsung, and other third parties providing services.

Maps, directions, and other navigation data, including data relating to your current location, may contain inaccurate or incomplete data. Therefore, you should always pay attention to road conditions, closures, traffic, and all other factors that may impact safe driving or walk.

FCC Part 15 Information and Notices
Note: Any device that uses Bluetooth or Wi-Fi is subject to FCC
Part 15. Any device with a power supply is subject to Part 15 which also covers both intentional radiators (Bluetooth and Wi-Fi) and unintentional radiators (such as emissions from power supplies and circuit boards).

Pursuant to part 15.21 of the FCC Rules, you are cautioned that changes or modifications not expressly approved by Samsung could void your authority to operate the device. This device complies with part 15 of the FCC Rules. Operation is subject to the following two 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.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

The device may cause TV or radio interference if used in close proximity to receiving equipment. The FCC can require you to stop using the mobile device if such interference cannot be eliminated.

Certain Samsung Mobile Devices can use a Global Positioning System (GPS) signal for location-based applications. Changes may affect the performance of location-based technology on your mobile device.

Certain Samsung Mobile Devices can also use an Assisted Global Positioning System (AGPS), which obtains information from the cellular network to improve GPS performance. Contact your wireless service provider for details.

Use of AGPS in emergency calls
When you make an emergency call, the cellular network may activate AGPS technology in your mobile device to tell the emergency responders your approximate location.

AGPS has limitations and might not work in your area.

Wireless Emergency Alerts (WEA)
The Wireless Emergency Alerts (WEA) is part of the US emergency system. Since 2012, the WEA system has been used to warn the public about weather conditions, missing children, and other critical situations– all through alerts on compatible cell phones and other mobile devices. For more information visit:

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.

Device temperature
Caution! Some applications or prolonged usage may increase device temperature.
If the device feels hot to the touch, discontinue use and close all applications or turn off the device until it cools.
Always ensure that the device has adequate ventilation and airflow. Covering the device can trap any dissipating heat and redirect it back to the device while it is active.

©2020 Samsung Electronics America, Inc. Samsung is a registered
trademark of Samsung Electronics Co., Ltd.
Contact us

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Documents / Resources

SAMSUNG A3LSMG991JPN Smartphone [pdf] User Guide
SMG991JPN, A3LSMG991JPN, A3LSMG991JPN Smartphone, A3LSMG991JPN, Smartphone


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