1. Introducció
This manual provides detailed instructions for the safe and efficient use of your Techkey MFi Certified 3-in-1 USB 3.0 Flash Drive. Please read this manual thoroughly before using the device to ensure optimal performance and to prevent damage.
The Techkey flash drive is designed for convenient data transfer and storage across various devices, including iPhones, iPads, Android phones, and personal computers. Its multi-interface design and MFi certification ensure broad compatibility and reliable performance.
2. Característiques del producte
- Certificat MFi: Ensures compatibility and reliable performance with Apple devices.
- 3-in-1 Interface Design: Equipped with USB, Lightning, and Type-C connectors for universal compatibility.
- USB 3.0 d'alta velocitat: Offers fast read and write speeds for efficient data transfer.
- Capacitat d'emmagatzematge de 256 GB: Proporciona ample space for photos, videos, documents, and other files.
- Xifratge de dades: Supports Touch ID/Passcode encryption for enhanced data security.
- Construcció duradora: Made from high-quality metal with dustproof, drop-proof, and anti-magnetic properties.
- Compacte i portàtil: Lightweight design with a keychain for easy carrying.
- Emmagatzematge automàtic: In-app camera captures automatically save to the drive.
- On-the-Go Playback: Directly play stored movies and music from the drive.

Image: The Techkey 3-in-1 USB Flash Drive showing its USB 3.0, Lightning, and USB-C ports, highlighting its compact and portable design.

Image: A diagram illustrating the three distinct connectors: Lightning for iPhone/iPad, Type-C for iPhone/iPad/Android, and USB for PC.

Image: An illustration of a high-tech chip, symbolizing the advanced technology and MFi certification integrated into the flash drive.

Image: Certificates of authority, indicating the product's compliance with industry standards and quality assurance.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- Techkey MFi Certified 3-in-1 USB 3.0 Flash Drive (256GB)
- Protective Caps (may include extra)
- Keychain/Lanyard
- Manual d'usuari (aquest document)
4. Configuració
4.1. Connexió inicial
The Techkey flash drive features three types of connectors: USB, Lightning, and Type-C. Select the appropriate connector for your device.
- Per a dispositius iOS (iPhone/iPad): Insert the Lightning connector into your device's Lightning port.
- Per a dispositius Android: Insert the Type-C connector into your device's USB-C port. Ensure your Android device supports OTG (On-The-Go) functionality.
- Per a PC/Mac: Insert the USB connector into an available USB port on your computer.
4.2. App Installation (iOS Devices Only)
For iOS devices (iPhone/iPad), the "U-Disk" application is required for full functionality. When you connect the flash drive to an iOS device for the first time, a prompt to download the "U-Disk" app from the App Store should appear. Follow the on-screen instructions to install it.
- If the prompt does not appear, manually search for "U-Disk" in the Apple App Store and install it.
- Android and PC devices do not require a dedicated app for basic file gestió.

Image: The Techkey flash drive connected to an iPhone and iPad, illustrating its MFi compatibility and ease of use with Apple devices.
5. Instruccions de funcionament
5.1. Transferència de dades
The flash drive supports high-speed data transfer. Actual speeds may vary based on device, file size, and system conditions.
- For iOS Devices (via U-Disk App):
- Connect the flash drive to your iPhone/iPad.
- Open the "U-Disk" app.
- Navegueu fins al que desitgeu files on your device or within the app.
- Seleccioneu files and use the app's functions to copy or move them to the flash drive.
- To transfer from the flash drive to your device, select files on the drive and use the app's functions to copy them to your device.
- Per a dispositius Android:
- Connect the flash drive to your Android device.
- Access the flash drive through your device's file manager (e.g., "Files," "My Files").
- Copiar o moure files between your device's internal storage/SD card and the flash drive.
- Per a PC/Mac:
- Connect the flash drive to your computer's USB port.
- The drive will appear as a removable storage device (e.g., "USB Drive," "NO NAME").
- Arrossegueu i deixeu anar files between your computer and the flash drive, or use copy/paste functions.

Image: A graphic detailing the high-speed transmission rates for the USB (Read: 20-40MB/s, Write: 15-20MB/s), Lightning (Read: 20-30MB/s, Write: 20-25MB/s), and Type-C (Read: 20-30MB/s, Write: 20-25MB/s) interfaces.
5.2. One-Click Backup (iOS Devices Only)
The "U-Disk" app allows for one-click backup of photos, videos, and contacts from your iOS device to the flash drive.
- Connect the flash drive and open the "U-Disk" app.
- Locate the "One-Click Backup" or similar function within the app.
- Follow the prompts to back up your selected data. This process copies files to the drive, freeing up space on your device. Remember to manually delete files from your device after confirming they are safely backed up on the flash drive.
5.3. Xifratge de dades
To protect your sensitive data, the "U-Disk" app (for iOS) offers encryption features.
- Open the "U-Disk" app with the flash drive connected.
- Navigate to the security or settings section within the app.
- You can choose to enable Touch ID/Passcode to encrypt the entire flash drive or select specific files for encryption.
- Follow the on-screen instructions to set up and manage your encryption preferences.
5.4. On-the-Go Playback
You can directly play media files stored on the flash drive without transferring them to your device's internal storage.
- Store your favorite movies, music, or documents on the flash drive.
- Connect the drive to your device (using the "U-Disk" app for iOS).
- Navega pel files on the flash drive through the app or file gerent.
- Seleccioneu un mitjà file to play it directly.

Image: A visual representation of the flash drive supporting various file formats, including MP4, MOV, RM, RMVB for videos; MP3, AIF, WAV, WMA, AAC for music; BMP, JPG, GIF, ICO, TIFF, PNG for pictures; and PDF, WORD, EXCEL, PPT, HTML, TXT for office documents.
6. Manteniment
- Tractament adequat: Always hold the flash drive by its body, not by the connectors.
- Protegir els connectors: Use the provided protective caps to cover the connectors when not in use to prevent dust and damage.
- Eliminació segura: Always safely eject the flash drive from your computer (PC/Mac) before physically removing it to prevent data corruption. For mobile devices, ensure no data transfer is active before disconnecting.
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. Eviteu netejadors líquids o materials abrasius.
- Emmagatzematge: Store the flash drive in a cool, dry place away from extreme temperatures, direct sunlight, and strong magnetic fields.
7. Solució De Problemes
7.1. Dispositiu no reconegut
- Comprova la connexió: Ensure the flash drive is fully and correctly inserted into the port.
- Prova un altre port/dispositiu: Test the flash drive on a different USB port, or a different compatible device (e.g., another computer, phone) to determine if the issue is with the drive or the port.
- Reinicieu el dispositiu: Sometimes, restarting your phone or computer can resolve connection issues.
- Aplicació iOS: For iOS devices, confirm the "U-Disk" app is installed and updated.
- Android OTG: For Android, verify your device supports OTG and that OTG functionality is enabled in settings if required.
7.2. Velocitats de transferència lentes
- Tipus de port USB: Ensure you are using a USB 3.0 port on your computer for optimal speeds. Connecting to a USB 2.0 port will result in slower transfer rates.
- File Mida/Tipus: Transferint molts petits files pot ser més lent que transferir un sol gran file de la mateixa mida total.
- Rendiment del dispositiu: The speed of your host device (phone, computer) can affect transfer rates.
- Processos de fons: Close unnecessary applications on your device during transfer.
7.3. Data Corruption/Loss
- Expulsió segura: Always safely eject the drive from computers. Avoid disconnecting during active data transfer.
- Fluctuacions de potència: Ensure stable power supply to your computer during transfers.
- Danys físics: Inspect the drive for any visible physical damage.
7.4. App Issues (U-Disk)
- Actualitza l'aplicació: Ensure the "U-Disk" app is updated to the latest version.
- Torneu a instal·lar l'aplicació: Si els problemes persisteixen, prova de desinstal·lar i reinstal·lar l'aplicació.
- Versió iOS: Ensure your iOS device is running iOS 12.1 or above.
8. Especificacions
| Marca | Techkey |
| Número de model | 641837950528 |
| Capacitat d'emmagatzematge de memòria | 256 GB |
| Tecnologia de connectivitat | USB, Lightning, USB Type C |
| Velocitat de lectura | Fins a 40 MB/s |
| Velocitat d'escriptura | Fins a 80 MB/s |
| Dimensions del producte (LxWxH) | 5.43 x 3.94 x 0.04 polzades |
| Pes de l'article | 2.39 unces |
| Característica especial | Wear Resistant, MFi Certified, Data Encryption |
| Sistemes operatius compatibles | iOS 12.1 and above, OTG Android, Windows 7 and above, macOS 10.6 and above |
9. Garantia i Suport
This Techkey product comes with a standard manufacturer's warranty. Please refer to the packaging or the official Techkey weblloc web per conèixer els termes i condicions específiques de la garantia.
For technical support, troubleshooting assistance, or warranty claims, please contact Techkey customer service through their official channels. Contact information can typically be found on the product packaging or the manufacturer's weblloc.
Nota: Conserveu el tiquet de compra com a comprovant de compra a efectes de garantia.

