1. Introduction
This manual provides essential information for the proper use and maintenance of your SAMSUNG Galaxy S20 FE 5G smartphone. The Galaxy S20 FE 5G is designed to offer advanced features for photography, gaming, and daily communication, featuring a high-refresh-rate AMOLED display, powerful processor, and robust water and dust resistance.

Figure 1.1: Front and back view of the SAMSUNG Galaxy S20 FE 5G smartphone.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove all components from the packaging. Verify that the following items are present:
- SAMSUNG Galaxy S20 FE 5G Smartphone
- Charging Adapter
- USB Cable
- 256GB SD Card
2.2 SIM Card and MicroSD Card Installation
The Galaxy S20 FE 5G supports Dual SIM functionality and expandable storage via a microSD card (up to 1TB).
- Locate the SIM tray on the side of the device.
- Insert the SIM ejector tool (not included) into the small hole on the tray to open it.
- Place your Nano-SIM card(s) and/or microSD card into the designated slots on the tray. Ensure the gold contacts face downwards.
- Gently push the tray back into the device until it clicks into place.
2.3 Powering On for the First Time
Press and hold the Power/Side key located on the right side of the device until the SAMSUNG logo appears. Follow the on-screen prompts to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
3. Operating Your Device
3.1 Display Features
The device features a 6.5-inch FHD+ Dynamic AMOLED 2X Infinity-O Display with a 120Hz refresh rate and HDR10+ support, providing a resolution of 1080 x 2400 pixels for clear and vibrant visuals.

Figure 3.1: The Infinity-O Display provides an immersive viewing experience.
3.2 Camera System
The Galaxy S20 FE 5G is equipped with a versatile camera system:
- Rear Cameras:
- 12MP Wide (F/1.8 aperture)
- 12MP Ultrawide (F/2.2 aperture)
- 8MP Telephoto (F/2.4 aperture)
- Front Camera: 32MP (F/2.2 aperture)

Figure 3.2: Detailed view of the rear and front camera specifications.
3.3 Performance and Storage
Powered by the Qualcomm SM8250 Snapdragon 865 processor and 6GB of RAM, the device offers smooth multitasking and gaming. It comes with 128GB of internal storage, expandable up to 1TB using a microSD card, allowing ample space for photos, videos, and applications.
3.4 Connectivity
The device supports 5G and 4G LTE networks, ensuring fast data speeds for streaming, gaming, and video calls. It also includes NFC for contactless payments and data transfer.

Figure 3.3: The device supports HyperFast 5G connectivity for enhanced performance.
3.5 Battery Life
The 4500mAh battery provides extended usage, with up to 32 hours of talk time. Intelligent power management helps optimize battery consumption.

Figure 3.4: The 4500mAh battery is designed for all-day use.
3.6 Security
The device features an under-display fingerprint sensor for secure and convenient unlocking.
4. Maintenance
4.1 Water and Dust Resistance
The Galaxy S20 FE 5G is rated IP68 for water and dust resistance. This means it can withstand immersion in up to 1.5 meters of fresh water for up to 30 minutes. It is resistant to splashes, rain, and dust. However, it is not recommended for beach or pool use. If the device gets wet, dry it thoroughly before charging or using the ports.
4.2 Cleaning Your Device
To clean your device, use a soft, lint-free cloth. Avoid using abrasive materials, solvents, or aerosol sprays, as these can damage the screen or finish.
5. Troubleshooting
This section addresses common issues you might encounter with your Galaxy S20 FE 5G.
5.1 Device Not Powering On
- Ensure the battery is charged. Connect the device to the charger and wait a few minutes before attempting to power on.
- Press and hold the Power/Side key for at least 10 seconds to perform a forced restart.
5.2 Network Connectivity Issues
- Verify that your SIM card is properly inserted and activated with your carrier.
- Check your device's network settings to ensure mobile data is enabled.
- Restart the device.
- As this is an International Model, confirm compatibility with your specific carrier's network bands (2G, 3G, 4G LTE, 5G).
5.3 Battery Draining Quickly
- Close unused applications running in the background.
- Reduce screen brightness or enable adaptive brightness.
- Disable features like Wi-Fi, Bluetooth, or GPS when not in use.
- Check for system updates, as these often include battery optimizations.
5.4 Apps Crashing or Freezing
- Restart the app.
- Clear the app's cache and data in the device settings.
- Ensure the app is updated to its latest version.
- If the issue persists, uninstall and reinstall the app.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | SM-G781B/DS |
| Display | 6.5-inch FHD+ Dynamic AMOLED 2X Infinity-O Display, 120Hz, HDR10+, 1080 x 2400 pixels |
| Processor | Qualcomm SM8250 Snapdragon 865 (7 nm+), Octa-core, Adreno 650 |
| Operating System | Android 10 (One UI 2.5) |
| RAM | 6 GB |
| Internal Storage | 128 GB ROM |
| Expandable Storage | Up to 1 TB via microSD card |
| Rear Camera | 12MP Wide (F/1.8) + 12MP Ultrawide (F/2.2) + 8MP Telephoto (F/2.4) |
| Front Camera | 32MP (F/2.2) |
| Battery Capacity | 4500 mAh |
| Talk Time | Up to 32 Hours |
| Connectivity | 5G (n1/3/5/7/8/28/40/41/78 Sub6), 4G LTE, Wi-Fi, Bluetooth, NFC |
| SIM Type | Dual SIM |
| Security | Under Display Fingerprint |
| Water & Dust Resistance | IP68 (up to 1.5 meters for 30 minutes) |
| Dimensions | 6 x 4 x 2 inches |
| Item Weight | 14 ounces |
| Color | Navy Blue |
7. Warranty and Support
This SAMSUNG Galaxy S20 FE 5G is an International Model and does not have a US Warranty. For warranty claims or technical support, please refer to the warranty information provided at the time of purchase or contact SAMSUNG customer service in your region of purchase. Support resources, including FAQs and software updates, may be available on the official SAMSUNG website.