1. Introduction
The PNY 64GB Duo Link iOS USB 3.0 OTG Flash Drive is designed to expand storage for your iPhone and iPad, enabling seamless transfer of photos, videos, and other digital content to and from your computer. This device also facilitates contact backup and can charge your iOS devices simultaneously during data transfer. This manual provides essential information for its proper use and maintenance.

Image 1.1: The PNY Duo Link iOS USB 3.0 OTG Flash Drive, showcasing its dual connectors for iOS and USB-A devices.
2. Setup
2.1. App Installation
To use the PNY Duo Link with your iOS device, you must first download and install the free Duo Link 4 app from the Apple App Store. This app is essential for managing files and performing backups.
2.2. Connecting to an iOS Device
- Ensure the Duo Link 4 app is installed on your iPhone or iPad.
- Connect the Lightning connector end of the PNY Duo Link to your iOS device's charging port.
- The Duo Link 4 app should automatically launch or prompt you to open it. If not, open the app manually.

Image 2.1: The PNY Duo Link connected to an iPhone, displaying the Duo Link 4 app interface.
2.3. Connecting to a Computer
To transfer files from the Duo Link to your computer, or to access stored files, connect the USB 3.0 connector end of the PNY Duo Link to an available USB port on your desktop or laptop computer. The device will appear as a removable storage drive.

Image 2.2: The PNY Duo Link connected to a laptop, ready for file transfer.
2.4. Product Overview Video
Video 2.1: An official overview of the PNY Duo Link iOS USB 3.0 OTG Flash Drive, demonstrating its features and connectivity.
3. Operating Instructions
3.1. Freeing Up Space on iOS Devices
When your iOS device's storage is full, the PNY Duo Link allows you to easily transfer photos and videos to the drive, freeing up valuable space.

Image 3.1: An iPhone displaying a 'Cannot Take Photo' message due to insufficient storage, highlighting the need for external storage.
3.2. Transferring Files (Photos, Videos, Contacts)
- Connect the Duo Link to your iOS device and open the Duo Link 4 app.
- Navigate to the 'Transfer Media' or 'Backup' section within the app.
- Select the type of content you wish to transfer (e.g., Photos, Videos, Contacts).
- Choose the specific files or select all items for transfer.
- Follow the on-screen prompts to move the selected content to the Duo Link.

Image 3.2: The Duo Link 4 app interface on an iPhone, showing options to transfer videos, photos, and personal contacts.
3.3. Accessing and Streaming Content
You can access and stream your videos and photos directly from the Duo Link using the Duo Link 4 app, even without a Wi-Fi connection. This allows you to view your media on the go without consuming your device's internal storage.

Image 3.3: The Duo Link 4 app interface showing options to access, stream, and back up content and contacts.
3.4. Charging iOS Devices
The PNY Duo Link features a flexible design that allows you to simultaneously transfer files and charge your iOS device when connected to a power source (e.g., a computer's USB port or a USB wall adapter).

Image 3.4: An iPhone being charged via the PNY Duo Link connected to a laptop.
3.5. Sync and Charge Demonstration
Video 3.1: A demonstration of the PNY Duo Link's ability to sync and charge an iOS device simultaneously.
4. Maintenance
- Keep the connectors clean and free from dust or debris. Use a soft, dry cloth for cleaning.
- Store the Duo Link in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid bending the flexible cable excessively to prevent damage.
- Do not attempt to disassemble the device, as this will void the warranty.
5. Troubleshooting
| Issue | Possible Solution |
|---|---|
| Duo Link not recognized by iOS device. | Ensure the Duo Link 4 app is installed and updated. Disconnect and reconnect the drive. Restart your iOS device. |
| Duo Link not recognized by computer. | Ensure the USB 3.0 connector is fully inserted into a working USB port. Try a different USB port. Restart your computer. |
| Slow transfer speeds. | Ensure you are using a USB 3.0 port on your computer for optimal speeds. Transferring a large number of small files can be slower than a few large files. |
| Cannot transfer certain files. | Check the file types supported by the Duo Link 4 app. Ensure there is sufficient space on the Duo Link. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | PNY |
| Model Name | P-FDI64GLA02GC-RB |
| Memory Storage Capacity | 64 GB |
| Hardware Interface | USB 3.0 |
| Compatible Devices | Mobile (iPhone, iPad), Tablet, PC/Windows, Mac |
| Compatible Phone Models | iPhone 5/5c/5s, iPhone 6/6 Plus/6s/6s Plus, iPhone SE, iPhone 7/7 Plus, iPad Air/Air 2, iPad mini/mini 2/mini 3/mini 4, iPad 4th Gen/5th Gen, iPad Pro 9.7 inch/Pro 12.9 inch, iPad Pro 10.5 inch/Pro 12.9 inch 2nd Gen |
| Operating System Compatibility | iOS 8.0 and above, Mac OS 10.8 and above, Windows 7 and above |
| Write Speed | 60 MB/s |
| Color | Metal Gray |
| Item Weight | 0.04 Pounds |
7. Warranty and Support
7.1. Warranty Information
The PNY Duo Link iOS USB 3.0 OTG Flash Drive comes with a 1-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
7.2. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please visit the official PNY support website or contact their customer service department. Refer to the product packaging or PNY's official website for the most current contact information.





