Introduction
Welcome to your SYMYNELEC 256GB TF Card. This high-speed, full HD memory card is designed for reliable data storage across various compatible devices. Featuring Class 10, U3, V30, and A1 speed ratings, it ensures efficient performance for recording and app usage.

Image: Two SYMYNELEC 256GB TF Cards, highlighting the product.
Setup and Installation
Inserting the TF Card
The SYMYNELEC TF card is compatible with a wide range of devices including smartphones, tablets, cameras, dash cams, and PCs. To install, locate the memory card slot on your device. Gently insert the TF card into the slot until it clicks into place.

Image: A hand carefully inserting the TF card into the designated slot of a smartphone.
Formatting the TF Card (Optional)
For optimal performance, especially when using the card for the first time or with a new device, it is recommended to format the TF card using your device's settings. Refer to your device's user manual for specific formatting instructions.
Note: Formatting will erase all data on the card. Back up any important files before proceeding.
Operation
Data Storage
The 256GB capacity allows for extensive storage of Full HD video, high-resolution photos, music, and other files. Transfer files to and from the card using your device's file management system or by connecting the device to a computer.
Recording
With U3, C10, and V30 speed ratings, the card supports smooth continuous shooting and Full HD (1080P) video recording. It is suitable for security cameras, dash cams, and camcorders.

Image: A SYMYNELEC TF card inserted into a security camera, illustrating its use for continuous recording.

Image: A hand inserting a TF card into a device, with a visual representation of continuous recording frames.
Maintenance and Durability
The SYMYNELEC TF card is built for reliability and durability, featuring:
- Shockproof: Designed to withstand impacts.
- Temperature-proof: Operates reliably in temperatures from 32°F to 158°F (0°C to 70°C).
- Waterproof (IPX7): Protected against water immersion up to 1 meter for 30 minutes.
- X-ray-proof: Safe from airport X-ray scanners.
To ensure longevity, avoid exposing the card to extreme physical stress or unauthorized disassembly.
Troubleshooting
Card Not Recognized
- Ensure the card is fully and correctly inserted into the device slot.
- Restart your device.
- Try the card in another compatible device to determine if the issue is with the card or the device.
- If the card is new, consider formatting it (see Setup section).
Slow Performance
- Performance can vary based on the host device, interface, and usage conditions. Ensure your device supports the card's speed class.
- Free up space on the card if it is nearly full.
- Avoid running multiple demanding applications simultaneously when accessing the card.
Specifications
| Feature | Detail |
|---|---|
| Model Name | SYMYNELEC 256GB TF Memory Card |
| Flash Memory Type | TF Card (Micro SD) |
| Memory Storage Capacity | 256 GB |
| Read Speed | Up to 80 MB/s |
| Write Speed | Up to 25 MB/s |
| Speed Class | Class 10, U3, V30, A1 |
| Hardware Interface | USB (via adapter, not included) |
| Product Dimensions | 0.59"L x 0.43"W |
| Operating Temperature | 32°F - 158°F (0°C - 70°C) |
| Durability | Shockproof, Temperature-proof, Waterproof (IPX7), X-ray-proof |
| Compatible Devices | Smartphones, Tablets, Cameras, Dash Cams, PCs, Security Cameras, etc. |
Warranty and Support
Your SYMYNELEC TF Card comes with a limited warranty. For detailed warranty information or technical support, please visit the official SYMYNELEC brand store or contact customer service.
Link to brand store: SYMYNELEC Brand Store