1. Introducció
This manual provides essential information for the safe and efficient operation of your SWOFY M503Pro MP3 Player. Please read it thoroughly before using the device to ensure optimal performance and longevity.
2. Informació de seguretat
- Use ONLY the 5V/1A USB-C charger provided or a compatible charger. Fast chargers may cause overheating or permanent battery damage.
- Eviteu carregar-lo sota la llum solar directa, en ambients humits o a prop de fonts de calor.
- Si el dispositiu s'escalfa durant la càrrega, desendolleu-lo immediatament i deixeu-lo refredar en una zona ben ventilada.
- Operating Temperature: 0°C to 35°C. Storage Temperature: -10°C to 45°C.
- No l'exposeu a líquids, sorra ni a una pressió extrema (per exemple, no us asseieu a sobre del dispositiu).
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- SWOFY M503Pro MP3 Player
- Cable de càrrega USB-A a USB-C
- Wired Earphones (3.5mm jack)
- Funda protectora
- Protector de pantalla
- Manual d'usuari
- 64GB Micro SD Card (pre-installed or included separately)
4. Dispositiu acabatview

Figura 1: Davant i darrere view of the SWOFY M503Pro MP3 Player, showcasing its sleek design and 4-inch touch screen.
Physical Buttons and Ports
- Botó d'encesa: Located on the side, press and hold to power on/off or short press to lock/unlock the screen.
- Botons de volum: Located on the side, use to adjust audio volume.
- Restableix el forat: A small pinhole for resetting the device if it becomes unresponsive.
- Port USB-C: Per a càrrega i transferència de dades.
- Sortida d'àudio de 3.5 mm: Per connectar auriculars amb cable.
- Ranura per a targetes Micro SD: Per ampliar l'emmagatzematge fins a 512 GB.
- Ponent: Built-in speaker for audio playback without headphones.

Figura 2: lateral view of the MP3 player, highlighting the power button, volume controls, and Micro SD card slot.

Figura 3: A baix view of the MP3 player, showing the USB-C port, 3.5mm audio jack, and speaker grille.
5. Configuració
5.1 Càrrega inicial
Before first use, fully charge the device. Connect the provided USB-C cable to the player and a 5V/1A USB charger. A full charge typically takes approximately 2.5 hours.
5.2 Encès/Apagat
- Encès: Manteniu premut el botó d'engegada durant 3 segons.
- Apagar: Press and hold the Power Button, then select 'Power Off' on the screen.
- Bloqueig/desbloqueig de pantalla: Premeu breument el botó d'engegada.
5.3 Configuració inicial
Upon first power-on, follow the on-screen prompts to set up the device:
- Seleccioneu el vostre idioma preferit.
- Estableix la zona horària i la data.
- Accept Google Terms of Service and Privacy Policy to activate Google Play services.
5.4 Connexió a Wi-Fi
- Vés a Configuració > Xarxa i Internet > Wi-Fi.
- Activa el Wi-Fi.
- Seleccioneu la xarxa desitjada de la llista i introduïu la contrasenya si cal.
- The device supports dual-band Wi-Fi (2.4G/5G) for stable connectivity.
5.5 Connexió a dispositius Bluetooth
- Vés a Configuració > Dispositius connectats > Bluetooth.
- Activa el Bluetooth.
- The device will scan for available Bluetooth devices.
- Select your Bluetooth headphones, speaker, or other device to pair.
- The player automatically connects to the last paired device.
Video 1: Demonstrates the Bluetooth and Wi-Fi connectivity features of the SWOFY M503Pro MP3 Player, showing how to pair with external devices.
5.6 Inserting Micro SD Card
The device comes with 80GB of internal storage (2GB RAM + 16GB ROM + 64GB card). You can expand storage up to 512GB using a Micro SD card.
- Localitza la ranura per a targetes Micro SD al lateral del dispositiu.
- Introduïu suaument la targeta Micro SD a la ranura fins que encaixi al seu lloc.
- Per treure-la, premeu suaument la targeta fins que surti.

Figure 4: Illustrates the large capacity memory of the MP3 player, including the Micro SD card slot for expandable storage.
6. Instruccions de funcionament
6.1 Navegació
The device features a 4-inch 1080P HD full-color touch screen for intuitive navigation. Swipe left/right to browse apps and tap to select.
6.2 Reproducció de música
The SWOFY M503Pro supports various music formats including MP3, OGG, FLAC, AAC, WAV, WMA, and APE. Use the pre-installed HiByMusic app for offline playback or streaming apps like Spotify and Amazon Music.
- HiFi Lossless Sound: Enjoy premium audio quality.
- Altaveu integrat: Play music or videos without headphones.
- Equalitzador personalitzat: Adjust sound settings to your preference.
- Playlist Creation: Organize your music into custom playlists.
- Synchronized Lyrics: View lyrics while music plays.

Figure 5: The MP3 player displaying music playback on its screen, with a user wearing headphones, emphasizing HiFi lossless sound quality.
6.3 Reproducció de vídeo
The 4-inch 1080P HD screen allows direct online or offline playback of 720P and 1080P videos without format conversion. Supported video formats include RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, and TS.

Figure 6: The MP3 player displaying a video on its 4-inch HD screen, demonstrating its video playback capabilities.
6.4 Aplicacions preinstal·lades
The device comes with a rich lineup of pre-installed mainstream media apps and practical tools:
- Apple Music, Spotify, Audible, Amazon Music, Deezer
- FM Radio, Video Player, Calendar, Sound Recorder
- Navegador (Chrome)
- Google Play Store (for downloading additional apps)

Figure 7: The MP3 player's screen displaying various pre-installed applications like Spotify, Amazon Music, and Audible.
Video 2: A seller video showcasing the SWOFY M503Pro MP3 Player's interface and various pre-installed applications.
6.5 One-Key Lock Screen and Screenshot
- Pantalla de bloqueig: Short press the Power Button to prevent accidental touches.
- Captura de pantalla: Press and hold the Power Button to capture a screenshot.
7. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | M503Pro |
| Número de model de l'article | M503 pro-80GB |
| Marca | SWOFY |
| Capacitat d'emmagatzematge de memòria | 80 GB (2GB RAM + 16GB ROM + 64GB card) |
| Emmagatzematge ampliable | Fins a 512 GB mitjançant targeta Micro SD |
| Mida de la pantalla | 4 polzades |
| Tecnologia de visualització | 1080P HD LCD Touch Screen |
| Sistema operatiu | Android 9.0 |
| Processador | Advanced CPU (Octa-Core) |
| Tecnologia de connectivitat | Bluetooth, Wi-Fi (Dual-band 2.4G/5G) |
| Capacitat de la bateria | 2000 mAh |
| Temps de reproducció de música | Fins a 40 hores |
| Temps d'espera | 3-5 mesos |
| Port de càrrega | USB-C |
| Formats d'àudio | MP3, OGG, FLAC, AAC, WAV, WMA, APE |
| Formats de vídeo | RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS |
| Pes de l'article | 8.4 unces |
8. Solució De Problemes
8.1 Device Won't Turn On/Is Unresponsive
- Ensure the device is fully charged. Connect to the charger for at least 30 minutes.
- Perform a soft reset: Use a thin pin to press the reset hole on the side of the device.
8.2 Sense so
- Check the volume level using the side buttons or on-screen controls.
- Ensure headphones are properly connected if using them. Try a different pair of headphones to rule out faulty earphones.
- If using Bluetooth, ensure the device is properly paired and connected. Try unpairing and re-pairing.
8.3 Les aplicacions es bloquegen o es bloquegen
- Esborra la memòria cau de l'aplicació: vés a Configuració > Aplicacions i notificacions, seleccioneu l'aplicació problemàtica i, a continuació, Emmagatzematge i memòria cau > Esborra la memòria cau.
- Ensure sufficient storage space is available. Delete unnecessary files o aplicacions.
- Reinicieu el dispositiu.
8.4 Problemes de connectivitat (Wi-Fi/Bluetooth)
- Ensure Wi-Fi/Bluetooth is enabled in Configuració.
- Restart the device and your router/Bluetooth accessory.
- Oblida't de la xarxa/dispositiu i torna a connectar-te.
9. Manteniment
- Netegeu la pantalla i el cos amb un drap suau i sec. Eviteu productes de neteja abrasius.
- Mantingueu el dispositiu allunyat de camps magnètics forts.
- Emmagatzemar en un lloc fresc i sec quan no s'utilitzi.
10. Garantia i Suport
Your SWOFY M503Pro MP3 Player comes with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the contact information provided in your product packaging or visit the official SWOFY weblloc.





