Introduction
This manual provides detailed instructions for the safe and efficient use of your Oilsky M502 MP3 Player. Please read this manual thoroughly before operating the device and retain it for future reference. The Oilsky M502 is a versatile multimedia player featuring Android 13.0, Wi-Fi, Bluetooth, dual cameras, and a 5.5-inch touchscreen.

Image: Front and rear view of the Oilsky M502 MP3 Player, showcasing its sleek design and camera lens.
What's in the Box
Carefully unpack your Oilsky M502 MP3 Player and check for the following items:
- 1x Oilsky M502 Music Player
- 1x USB Cable
- 1x Wired Earphones
- 1x Screen Protector
- 1x Protective Case
- 1x User Manual (this document)

Image: All items included in the Oilsky M502 MP3 Player package, neatly arranged.
Setup
1. Charging the Device
Before first use, fully charge the device using the provided USB cable and a compatible USB power adapter (not included). The charging indicator will show the battery status.
2. Powering On/Off
- To Power On: Press and hold the Power button until the screen lights up.
- To Power Off: Press and hold the Power button, then select 'Power Off' from the options on the screen.
3. Initial Setup
Upon first power-on, follow the on-screen prompts to select your language, connect to a Wi-Fi network, and configure basic settings. The device runs on Android 13.0 with an MTK octa-core processor for smooth performance.

Image: Visual representation of the device's powerful system, highlighting Android 13.0 and the MTK 6762 octa-core chip.
4. Inserting a MicroSD Card (Optional)
The device supports MicroSD card expansion up to 1TB. Locate the MicroSD card slot, gently insert the card with the gold contacts facing down, and push until it clicks into place. This expands the already generous 128GB internal storage.

Image: Diagram illustrating the device's storage capabilities, including 4GB RAM, 128GB ROM, and support for up to 1TB MicroSD card expansion.
Operating Instructions
1. Basic Navigation
The Oilsky M502 features a 5.5-inch Full HD touchscreen. Navigate by tapping icons, swiping across the screen, and using pinch-to-zoom gestures where applicable.
2. Connecting to Wi-Fi
Go to Settings > Network & internet > Wi-Fi. Turn on Wi-Fi, select your desired network, and enter the password if prompted. The device supports dual-band 2.4GHz/5GHz Wi-Fi for stable online streaming.
3. Bluetooth Connectivity
To connect to Bluetooth headphones, speakers, or other devices:
- Go to Settings > Connected devices > Connection preferences > Bluetooth.
- Turn on Bluetooth.
- Ensure your Bluetooth accessory is in pairing mode.
- Select the accessory from the list of available devices to pair.
Bluetooth 5.0 supports bidirectional file transfer with mobile phones and computers.

Image: The MP3 player connected via Bluetooth 5.0 to a speaker, headphones, mobile phone, and computer.
4. Music Playback
The device comes with a professional-quality music player. It supports various audio formats including MP3, WAV, APE, FLAC, and AAC. You can scan folders to import songs, create playlists, and search by keywords.

Image: The music player interface displaying options for song categories, search, playlist creation, online lyrics/covers, and equalizer settings.
For online streaming, popular apps like Spotify, Pandora, Amazon Music, Audible, Tidal, and Deezer are pre-installed. You can stream music directly via Wi-Fi.

Image: The device screen showing icons for popular streaming services and apps, indicating its smart streaming capabilities.

Image: Features of the powerful HiByMusic application, including song categorization, search, playlist creation, and online lyrics/covers.
5. Video Playback
The 5.5-inch Full HD screen (1440x720 resolution) supports 720P/1440P HD video playback. Compatible formats include AVI, MKV, RMVB, and MP4. The device also includes practical tools like a clock, recorder, FM radio, and e-reader.

Image: The device screen showing a high-definition video, emphasizing its 5.5-inch full-touch screen and 720x1440 resolution.

Image: Features of the MX Player Pro, including support for various video formats, IPS wide viewing angle, variable playback speed, and gesture zoom.
6. Using the Camera
The device is equipped with a 13-megapixel rear camera and a 5-megapixel front camera. Open the Camera app to take high-definition photos and videos. You can share your captured moments directly to social media via the device.

Image: Demonstrates the 13MP rear camera capturing a city skyline and the 5MP front camera taking a group selfie.

Image: Illustrates the capabilities of the 5MP front camera for selfies and the 13MP rear camera for capturing landscapes.
7. App Management and Parental Controls
The Android 13.0 operating system allows you to install additional applications from the Google Play Store and update existing ones. You can also easily uninstall unnecessary apps to save memory.

Image: The device screen displaying various popular apps available for download from the Google Play Store.

Image: A hand interacting with the touchscreen to uninstall a pre-installed application, illustrating ease of app management.
Parental control features are included, allowing you to set restrictions on content access and screen time, ensuring children can only access age-appropriate content.

Image: A family using the device, with an overlay showing parental control settings like daily limits and app restrictions.
8. File Transfer
Connect the device to a computer using the USB cable. The device will appear as a removable storage device, allowing you to drag and drop files (music, videos, photos) to and from its internal storage or MicroSD card.
Maintenance
1. Cleaning
Use a soft, dry, lint-free cloth to clean the device. Avoid using abrasive cleaners or solvents that may damage the screen or casing.
2. Software Updates
Periodically check for software updates in Settings > System > System update to ensure optimal performance and access to the latest features.
3. Storage Management
Regularly manage your storage by deleting unnecessary files or uninstalling unused applications to maintain device performance. Utilize the MicroSD card for large media files.
Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Screen unresponsive: Try restarting the device by holding the power button. If unresponsive, perform a forced restart (refer to device specifications for button combination, usually Power + Volume Down).
- Cannot connect to Wi-Fi/Bluetooth: Ensure Wi-Fi/Bluetooth is enabled in settings. Check if other devices can connect to the network/accessory. Restart the device and the router/accessory.
- Apps crashing or slow performance: Close background applications. Clear app cache (Settings > Apps > [App Name] > Storage & cache > Clear cache). Ensure sufficient storage space.
- No sound: Check volume levels. Ensure headphones are properly connected or Bluetooth device is paired and connected.
Specifications
| Feature | Detail |
|---|---|
| Model Number | M502 |
| Brand | Oilsky |
| Operating System | Android 13.0 |
| Processor | MTK Octa-core |
| RAM | 4GB |
| Internal Storage | 128GB |
| Expandable Storage | Up to 1TB MicroSD card |
| Screen Size | 5.5 inches |
| Display Resolution | 1440 x 720 (Full HD) |
| Display Technology | LED or LCD, IPS |
| Rear Camera | 13 Megapixels |
| Front Camera | 5 Megapixels |
| Wi-Fi | Dual-band (2.4GHz/5GHz) |
| Bluetooth | Version 5.0 |
| Battery Capacity | 2500mAh Lithium-polymer |
| Music Playback Time | Up to 30 hours |
| Video Playback Time | Up to 5 hours |
| Supported Audio Formats | MP3, WAV, APE, FLAC, AAC |
| Supported Video Formats | AVI, MKV, RMVB, MP4 |
| Special Features | Built-in speaker, FM Radio, E-reader, Parental Controls |
| Color | Black |
| Origin | China |

Image: Overview of the device's powerful computing capabilities, including 4GB RAM, 128GB ROM, MTK 8-core processor, and 1TB external storage support.

Image: Icons representing various supported music (MP3, WAV, APE, FLAC, AAC) and video (AVI, MKV, RMVB, MP4, MOV) formats.

Image: A summary of the Oilsky M502's key features, including 128GB storage, Android 13.0, full-touch screen, Wi-Fi, Bluetooth 5.0, and front/rear cameras.

Image: Illustrates the device's large-capacity 2500mAh battery, providing up to 30 hours of music playback or 5 hours of video viewing.
Warranty and Support
Warranty Information
The Oilsky M502 MP3 Player comes with a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. Keep your proof of purchase for warranty claims.
Customer Support
For any questions, technical assistance, or support regarding your Oilsky M502 MP3 Player, please do not hesitate to contact our customer service team. We are committed to providing assistance and ensuring your satisfaction.
Contact information can typically be found on the Oilsky official website or through your purchase platform.





