1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of the EDUP EP-3701 USB WiFi Disk. The EP-3701 is a portable wireless storage device designed to expand storage and facilitate data sharing for iOS and Android smartphones and tablets without the need for cables or a computer.
Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.
2. Product Overview
The EDUP EP-3701 acts as a bridge between your USB storage devices (like USB flash drives or external hard drives) and your mobile devices via a Wi-Fi connection. It creates its own Wi-Fi hotspot, allowing multiple devices to connect and access stored files simultaneously.

Image 2.1: Front view of the EDUP EP-3701 USB WiFi Disk, showing the USB host port and the integrated USB cable.
3. Key Features
- Wireless Data Access: Access files on connected USB storage devices wirelessly from smartphones, tablets, and computers.
- Multi-User Support: Allows multiple users to connect and stream/access data simultaneously.
- Portable Design: Compact and lightweight, ideal for travel and on-the-go use.
- Power Source: Powered via USB, can be connected to a USB wall adapter, power bank, or computer USB port.
- App Control: Dedicated mobile application for easy file management and device configuration.
4. Package Contents
Verify that all items are present in the package:
- EDUP EP-3701 USB WiFi Disk
- Quick Start Guide (this manual)
5. Setup
5.1. Powering On the Device
- Connect the integrated USB cable of the EP-3701 to a USB power source (e.g., a 5V/1A USB wall adapter, a power bank, or a computer's USB port).
- The power indicator light on the device will illuminate, indicating it is powered on.
5.2. Connecting USB Storage
- Insert your USB flash drive or external hard drive into the USB host port on the EP-3701.
- Ensure the USB storage device is properly seated.
5.3. Connecting Mobile Device
- On your smartphone or tablet, go to Wi-Fi settings.
- Locate and connect to the Wi-Fi network named "EDUP_XXXXXX" (XXXXXX will be the last six digits of the device's MAC address).
- The default password is "12345678". It is recommended to change this password after initial setup.
- Download and install the "WiFi Disk" application from your device's app store (App Store for iOS, Google Play Store for Android).
- Open the "WiFi Disk" app. The app will automatically detect and connect to the EP-3701.
6. Operating Instructions
6.1. File Management
- Browse Files: Within the "WiFi Disk" app, navigate through the folders and files on the connected USB storage.
- Upload Files: Transfer files from your mobile device to the USB storage connected to the EP-3701.
- Download Files: Transfer files from the USB storage to your mobile device.
- Stream Media: Play videos, music, and view photos directly from the USB storage without downloading.
6.2. Network Settings
The "WiFi Disk" app allows you to configure network settings:
- Change Wi-Fi Name (SSID): Modify the name of the EP-3701's Wi-Fi network.
- Change Wi-Fi Password: Update the password for the Wi-Fi network.
- Internet Passthrough (Bridge Mode): Connect the EP-3701 to an existing Wi-Fi network to provide internet access to connected devices while still allowing access to the USB storage.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Firmware Updates: Periodically check the "WiFi Disk" app or the EDUP official website for firmware updates to ensure optimal performance and security.
- Safe Removal: Always ensure data transfer is complete before disconnecting the USB storage device or powering off the EP-3701.
8. Troubleshooting
8.1. Device Not Powering On
- Ensure the USB cable is securely connected to a working USB power source.
- Try a different USB port or power adapter.
8.2. Cannot Connect to Wi-Fi Network
- Verify you are selecting the correct "EDUP_XXXXXX" network.
- Double-check the Wi-Fi password (default is "12345678").
- Restart the EP-3701 device and your mobile device.
8.3. USB Storage Not Detected
- Ensure the USB storage device is properly inserted into the EP-3701's USB host port.
- Check if the USB storage device is formatted in a supported file system (FAT32, NTFS, exFAT).
- Some high-power consumption external hard drives may require an external power source.
- Try a different USB storage device to rule out a faulty drive.
8.4. App Not Functioning Correctly
- Ensure your mobile device is connected to the EP-3701's Wi-Fi network.
- Close and reopen the "WiFi Disk" app.
- Reinstall the "WiFi Disk" app.
- Check for app updates in your device's app store.
9. Specifications
| Feature | Description |
|---|---|
| Model | EP-3701 |
| Interface | USB 2.0 (Host), USB 2.0 (Power Input) |
| Wireless Standard | IEEE 802.11b/g/n |
| Frequency Band | 2.4 GHz |
| Security | WPA/WPA2, WPA-PSK/WPA2-PSK |
| Supported File Systems | FAT32, NTFS, exFAT |
| Power Input | DC 5V/1A (via USB) |
| Dimensions | (Approximate, based on typical USB dongle size) 60mm x 25mm x 10mm |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
10. Warranty and Support
EDUP products typically come with a limited warranty. Please refer to the warranty card included with your purchase or visit the official EDUP website for detailed warranty terms and conditions specific to your region.
For technical support, product inquiries, or warranty claims, please contact EDUP customer service through their official website or the contact information provided in your product packaging.
Website: www.szedup.com





