1. Introducció
This manual provides comprehensive instructions for the Samsung Galaxy S21 FE G990. It covers essential information regarding the device's features, setup, operation, maintenance, and troubleshooting. Please read this manual carefully to ensure proper use and optimal performance of your smartphone.
2. Producte acabatview
2.1. Disseny i construcció
The Samsung Galaxy S21 FE G990 features a stylish, slim, and lightweight design. It is constructed with an aluminum frame and a durable polycarbonate back, offering a premium feel while maintaining a comfortable grip. The device weighs approximately 177 grams and has dimensions of 0.31 x 2.93 x 6.13 inches. It is available in various attractive finishes, including Graphite, White, Lavender, and Olive.

Figura 1: Davant i darrere view of the Samsung Galaxy S21 FE G990.

Figure 2: Samsung Galaxy S21 FE G990 with key dimensions highlighted.
2.2. Visualització
The device features a vibrant 6.4-inch Dynamic AMOLED 2X display with a resolution of 2340 x 1080 pixels (Full HD+), resulting in a pixel density of approximately 411 PPI. The display supports an adaptive refresh rate of up to 120 Hz, providing smooth scrolling and responsive touch interactions, which is beneficial for gaming and everyday use. With a peak brightness of up to 1200 nits, the screen remains highly visible even in bright outdoor conditions.

Figure 3: The display of the Samsung Galaxy S21 FE G990 highlighting its 120Hz refresh rate capability.
3. Configuració
3.1. Configuració inicial del dispositiu
- Encès: Premeu i manteniu premut el botó d'engegada (situat al costat dret del dispositiu) fins que aparegui el logotip de Samsung.
- Selecció d'idioma: Segueix les instruccions que apareixen a la pantalla per seleccionar l'idioma que prefereixis.
- Inserció de la targeta SIM: Use the provided SIM tray ejector tool to open the SIM card tray. Insert your Nano-SIM card(s) and/or microSD card (if supported) into the tray, ensuring proper orientation. Close the tray securely.
- Connexió de xarxa: Connect to a Wi-Fi network or enable mobile data to proceed with the setup.
- Configuració del compte de Google: Inicia la sessió amb el teu compte de Google o crea'n un de nou. Això és essencial per accedir a Google Play Store i altres serveis de Google.
- Transferència de dades: If you are upgrading from an old device, you may be prompted to transfer data using Samsung Smart Switch or Google's data transfer tools.
- Configuració de seguretat: Configura el teu mètode de bloqueig de pantalla preferit (PIN, patró, contrasenya, empremta digital o reconeixement facial).
- Finalitza la configuració: Complete any remaining on-screen instructions to finish the initial setup process.
4. Funcionament del vostre dispositiu
4.1. Rendiment
The Samsung Galaxy S21 FE G990 is powered by the Qualcomm Snapdragon 888 processor, paired with either 6GB or 8GB of RAM. This configuration ensures smooth multitasking, efficient media streaming, and capable performance for moderate gaming. While it handles everyday tasks fluidly, power users engaging in demanding applications or extended gaming sessions may observe thermal throttling and quicker battery drain.
4.2. Sistema de càmeres
The device features a versatile triple camera system on the rear, comprising a 12-megapixel wide-angle lens, a 12-megapixel ultra-wide-angle lens, and an 8-megapixel telephoto lens with 3x optical zoom. The front-facing camera is a 32-megapixel sensor, capable of capturing detailed selfies and clear video calls. The camera system supports video recording up to 4K resolution at 60 frames per second, ensuring solid performance for capturing high-quality footage. Features such as Super Steady video and Night Mode further enhance its capabilities for various photographic conditions.

Figure 4: The camera system of the Samsung Galaxy S21 FE G990 demonstrating its capability in low-light conditions.
4.3. Bateria i càrrega
The Galaxy S21 FE G990 is equipped with a 4500 mAh battery, providing a full day of moderate use when well-maintained. The device supports 25W wired fast charging and 15W wireless charging. It also features reverse wireless charging, allowing you to charge other compatible devices.
5. Manteniment
- Actualitzacions de programari: Comproveu i instal·leu regularment si hi ha actualitzacions de programari per assegurar-vos que el dispositiu tingui les darreres funcions, pegats de seguretat i millores de rendiment. Navegueu a Configuració > Actualització de programari per comprovar si hi ha actualitzacions disponibles.
- Cura de la bateria: Per allargar la vida útil de la bateria, eviteu temperatures extremes i no deixeu el dispositiu completament carregat ni completament descarregat durant períodes prolongats.
- Neteja: Feu servir un drap suau i sense borrissol per netejar la pantalla i el cos del dispositiu. Eviteu productes químics agressius o materials abrasius.
- Gestió d'emmagatzematge: Periòdicament review i eliminar innecessaris files, aplicacions i contingut multimèdia per alliberar espai d'emmagatzematge i mantenir un rendiment òptim.
6. Solució De Problemes
- El dispositiu no respon: If your device becomes unresponsive, press and hold the Power button and Volume Down button simultaneously for about 7 seconds to force restart it.
- Drenatge de la bateria: Comprova l'ús de la bateria a Configuració > Cura de la bateria i del dispositiu > Bateria to identify apps consuming excessive power. Adjust settings or restrict background activity as needed.
- Problemes de xarxa: If experiencing connectivity problems, try restarting your device, toggling Wi-Fi/mobile data off and on, or resetting network settings in Configuració > Gestió general > Restablir > Restablir la configuració de xarxa.
- Disminució del rendiment: Clear cache for apps, uninstall unused applications, or perform a factory reset as a last resort (ensure data backup before resetting).
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | SM-G990 |
| Mostra | 6.4-inch Dynamic AMOLED 2X, 2340 x 1080 pixels (FHD+), 120Hz Refresh Rate, 1200 nits (peak) |
| Processador | Qualcomm Snapdragon 888 |
| RAM | 6 GB o 8 GB |
| Emmagatzematge | 128 GB or 256 GB (internal) |
| Càmera posterior | 12 MP (wide) + 12 MP (ultrawide) + 8 MP (telephoto, 3x optical zoom) |
| Càmera frontal | 32 MP |
| Gravació de vídeo | Fins a 4K@60fps |
| Bateria | 4500 mAh |
| Carregant | 25W wired, 15W wireless, Reverse wireless charging |
| Sistema operatiu | Android |
| Dimensions | 0.31 x 2.93 x 6.13 polzades |
| Pes | 177 grams |
| Connectivitat | 5G, Wi-Fi, Bluetooth, NFC |
| Materials | Aluminum frame, Polycarbonate back |
8. Garantia i Suport
For detailed warranty information, please refer to the warranty card included with your device or visit the official Samsung support website. The device also comes with a Quick Reference Manual and a SIM Tray Ejector in the box. For further assistance, contact Samsung customer support.





