Introduction
This manual provides detailed instructions for the safe and efficient use of your Diofox M10 80GB Android MP3/MP4 Player. Please read this manual thoroughly before operating the device and retain it for future reference. The Diofox M10 is a versatile portable media player featuring a 5-inch HD touch screen, Android operating system, Bluetooth, and Wi-Fi connectivity, designed for audio and video playback, app usage, and more.
What's in the Box
Upon opening the package, verify that all the following items are included:
- 1x Diofox M10 Music Player
- 1x USB-C Cable
- 1x Wired Earphones
- 1x Screen Protector
- 1x Protective Cover
- 1x User Manual (this document)
- 1x 64GB SD Card (pre-installed or separate)

Image: The complete packing list for the Diofox M10 player, showing all included accessories.
Product Overview
The Diofox M10 is designed for a comprehensive multimedia experience. Key features include:
- Display: 5-inch HD Touch Screen (1920*1080px resolution)
- Operating System: Android 9.0
- Processor: Octa-Core
- Memory: 3GB RAM + 16GB ROM (internal storage)
- Expandable Storage: Supports TF (Micro SD) card up to 512GB
- Connectivity: Bluetooth 4.1, Wi-Fi (2.4G & 5G)
- Audio: Built-in speakers, 3.5mm headphone jack
- Supported Formats: MP3, OGG, FLAC, AAC, AMA, WAV, APE, M4A, DTS (audio); RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS (video)
- Battery: 2500 mAh, offering approximately 19 hours of music playback and 3 hours of video playback.

Image: The 5-inch HD display offers clear and bright visuals with 1920x1080px resolution.

Image: The device supports wider Bluetooth compatibility for headphones, speakers, and car stereos.

Image: Featuring 3GB RAM and 16GB ROM, with support for up to 512GB external storage.

Image: The built-in SD card slot allows storage expansion up to 512GB.
Setup
- Initial Charge: Before first use, fully charge the device using the provided USB-C cable and a compatible USB power adapter (not included). The charging indicator will show progress.
- Power On/Off: Press and hold the power button (located on the side) for a few seconds to turn the device on or off. A short press will turn the screen on/off.
- Language and Region: Follow the on-screen prompts to select your preferred language and region during the initial setup.
- Wi-Fi Connection:
- Go to Settings > Network & Internet > Wi-Fi.
- Toggle Wi-Fi On.
- Select your desired network from the list and enter the password if prompted.
- Once connected, the Wi-Fi icon will appear in the status bar.
- Insert SD Card: If using an external Micro SD card, carefully insert it into the designated slot until it clicks into place. The device will prompt you to format it as portable or internal storage.
Operating Instructions
Basic Navigation
The Diofox M10 operates like a standard Android device. Use touch gestures for navigation:
- Tap: Select an item or open an app.
- Swipe: Scroll through lists or switch between home screens.
- Pinch-to-Zoom: Zoom in or out on images and web pages.
- Back Button: Returns to the previous screen.
- Home Button: Returns to the home screen.
- Recent Apps Button: Shows recently opened applications.

Image: Interacting with app icons on the touch screen.
Bluetooth Pairing
To connect your Diofox M10 to Bluetooth headphones, speakers, or other devices:
- Ensure the Bluetooth device you wish to pair is in pairing mode.
- On your Diofox M10, go to Settings > Connected devices > Bluetooth.
- Toggle Bluetooth On.
- Tap Pair new device.
- Select your device from the list of available devices. Follow any on-screen prompts to complete pairing.
Music Playback
The Diofox M10 supports various audio formats. You can transfer music files directly or use streaming apps.
- Transferring Music: Connect the device to a computer using the USB-C cable. Select "File Transfer" mode on the player. Drag and drop your music files into the appropriate folders (e.g., "Music") on the device or SD card.
- Using Music Apps: Use the pre-installed music player or download popular streaming apps like Spotify, Pandora, Amazon Music, or Audible from the Google Play Store.
- Supported Audio Formats: MP3, OGG, FLAC, AAC, AMA, WAV, APE, M4A, DTS.

Image: The player supports a wide range of music formats for direct playback without conversion.
Video Playback
Enjoy videos on the 5-inch HD screen.
- Transferring Videos: Similar to music, connect to a computer and transfer video files to the device or SD card.
- Supported Video Formats: RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS.
- Resolution: The device supports 1080*1920 high-resolution video playback.

Image: The 1080x1920 high-resolution display is ideal for watching videos.
App Installation (Google Play Store)
As an Android device, the Diofox M10 allows you to download and install apps from the Google Play Store.
- Ensure you are connected to Wi-Fi.
- Open the Play Store app from your home screen or app drawer.
- Sign in with your Google account. If you don't have one, you can create one.
- Browse or search for apps and tap Install to download them.

Image: The Android operating system allows installation of various applications.
Storage Management
The device comes with 16GB of internal storage and a 64GB SD card, totaling 80GB. Storage can be expanded up to 512GB using a compatible Micro SD card.
- To manage storage, go to Settings > Storage.
- You can view internal storage usage and manage files on your SD card.
- When inserting a new SD card, you may be prompted to format it as "Portable storage" (for media files, easily removable) or "Internal storage" (integrates with device storage, not easily removable). Choose based on your needs.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the screen and body of the device. Avoid using harsh chemicals or abrasive materials.
- Battery Care:
- Avoid extreme temperatures, which can degrade battery life.
- Do not let the battery completely drain frequently.
- If storing the device for an extended period, charge it to about 50% before turning it off.
- Software Updates: Periodically check for system updates in Settings > System > System update to ensure optimal performance and security.
- Protective Accessories: Use the provided screen protector and protective cover to guard against scratches and minor impacts.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery; System crash | Charge the device for at least 30 minutes. If still unresponsive, press and hold the power button for 10-15 seconds to force a restart. |
| Cannot connect to Wi-Fi | Incorrect password; Out of range; Router issue; Device Wi-Fi bug | Verify Wi-Fi password. Move closer to the router. Restart the router. Go to Wi-Fi settings, forget the network, and try reconnecting. Ensure device software is updated. |
| Bluetooth pairing fails | Device not in pairing mode; Out of range; Interference | Ensure the Bluetooth accessory is in pairing mode. Move the devices closer. Turn off other Bluetooth devices nearby. Restart both devices. |
| Music/Video files not playing | Unsupported format; Corrupt file; Incorrect file location | Check if the file format is supported (refer to Product Overview). Ensure files are not corrupted. Verify files are in accessible folders on internal storage or SD card. Try a different media player app. |
| Slow performance/App crashes | Too many apps running; Low storage; Outdated software | Close unnecessary background apps. Clear app caches (Settings > Apps & notifications > select app > Storage & cache > Clear cache). Free up storage space. Update system software. |
| Battery drains quickly | High screen brightness; Background apps; Wi-Fi/Bluetooth always on | Reduce screen brightness. Close unused apps. Turn off Wi-Fi and Bluetooth when not in use. Check battery usage in Settings > Battery to identify power-hungry apps. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Diofox |
| Model Number | M10 |
| Product Dimensions | 0.39 x 2.7 x 4.9 inches |
| Item Weight | 14 ounces |
| Memory Storage Capacity | 80 GB (16GB internal + 64GB SD card) |
| Expandable Storage | Up to 512 GB via Micro SD card |
| Screen Size | 5 Inches |
| Screen Resolution | 1920 x 1080 pixels |
| Operating System | Android 9.0 |
| Connectivity Technology | USB, Bluetooth 4.1, Wi-Fi (2.4G & 5G) |
| Media Type | Audio, Video |
| Supported Audio Standards | MP3, OGG, FLAC, AAC, AMA, WAV, APE, M4A, DTS |
| Supported Video Standards | RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS |
| Included Components | USB Cable, Earphones, User Manual, Screen Protector, Protective Cover, 64GB SD Card |
Warranty and Support
For warranty information and technical support, please refer to the official Diofox website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
For further assistance, you may visit the Diofox Store on Amazon.





