Introduction
The Symcode USA-K20 is a versatile Bluetooth remote control designed to enhance your smartphone experience. It allows for hands-free operation of various applications, including e-book readers, camera functions, and social media platforms like TikTok. This manual provides detailed instructions for setup, operation, and troubleshooting to ensure optimal use of your device.
Key Features:
- Wireless control for short video apps (e.g., TikTok)
- eBook page turning functionality
- Remote camera shutter for photos and videos
- Compatible with iOS (above 14.8) and Android (8.0+) smartphones and tablets
- Bluetooth 5.0 for stable connection up to 33 feet (10 meters)

Image: Overview of the Symcode USA-K20 remote control, highlighting its various buttons and their primary functions, including swipe directions, volume control, and camera activation.
Setup
1. Bluetooth Pairing
- Power On: Locate the power switch on the side of the Bluetooth Remote. Press the switch to the "up" or "down" position to turn on the device.
- Activate Phone Bluetooth: On your smartphone or tablet, navigate to the settings menu and enable Bluetooth.
- Scan for Devices: Your phone will begin scanning for available Bluetooth devices. Look for a device named "R10 Phone Mate-FM" or "K20".
- Pair: Select "R10 Phone Mate-FM" or "K20" from the list to initiate pairing. Once connected, your phone will indicate a successful pairing.

Image: A visual representation of the Bluetooth pairing process, showing a smartphone's Bluetooth settings screen with the "K20" device listed and ready for connection, alongside the remote control.
2. iOS Specific Setup (AssistiveTouch)
For iPhone or iPad users, it is crucial to enable AssistiveTouch for full functionality, especially for page turning and certain app controls.
- Go to Settings on your iOS device.
- Tap on Accessibility.
- Select Touch.
- Tap on AssistiveTouch and toggle it On.
- Adjust Tracking Sensitivity: Within the AssistiveTouch settings, adjust the "TRACKING SENSITIVITY" to a range of 35% to 50% for optimal performance.
Operating Instructions
1. Page Turner for eBook Applications
This remote can be used to turn pages in compatible e-book applications on your smartphone or tablet. Note: This device is not compatible with dedicated Kindle e-reader devices.
- Open your preferred e-book application on your cellphone.
- Press the "Left" button on the remote to turn to the previous page.
- Press the "Right" button on the remote to turn to the next page.
- Important: For some e-book reader apps, you may need to use the "Up" or "Down" buttons to turn pages. Experiment with your specific app to determine the correct buttons.

Image: An illustration highlighting the key features of the remote, including its function as an eBook page turner, compatible with various smartphone apps but explicitly stating incompatibility with Kindle devices.
2. Camera Remote Control
Use the remote to trigger your phone's camera for taking photos or recording videos from a distance.
- Open the "Camera" application on your cellphone.
- To take a photo or start/stop video recording, press and hold either the "Down" or "Left" button for approximately 3 seconds.
- Adjusting Touch Point: If needed, you can adjust the touch point setting. Press and hold the camera button on the remote, then use the up, down, left, and right direction keys to adjust the position of the touch point on your screen. This can be used for taking pictures, photography, or media play/pause.

Image: A person using the Symcode USA-K20 remote to take a photo with a smartphone mounted on a tripod, demonstrating its use as a camera remote shutter.
3. TikTok App Control
Control video playback and interaction within the TikTok application hands-free.
- Open the "TikTok" application on your cellphone.
- Press the "Up" button to scroll up through videos.
- Press the "Down" button to scroll down through videos.
- Press the "Function Button" (heart icon) to play or pause videos.
- Double-click the "Function Button" (heart icon) to save a video to your favorites.
- Use the "Volume -" and "Volume +" buttons to adjust the audio level.

Image: A smartphone screen showing the TikTok application, with the Symcode USA-K20 remote control positioned nearby, illustrating hands-free video navigation.
Maintenance
To ensure the longevity and optimal performance of your Symcode USA-K20 remote control, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners, which can damage the surface.
- Storage: Store the remote in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Recharge the device when the battery is low. Avoid overcharging or completely draining the battery frequently to prolong its lifespan. The device will automatically turn off if inactive for 30 minutes to conserve battery.
- Water Exposure: This device is not waterproof. Avoid exposure to water or other liquids.
Troubleshooting
If you encounter issues with your Symcode USA-K20 remote control, refer to the following common solutions:
- Remote Not Connecting/Pairing:
- Ensure the remote is powered on and fully charged.
- Verify Bluetooth is enabled on your smartphone/tablet.
- Move the remote closer to your device (within 33 feet/10 meters).
- Forget the device ("R10 Phone Mate-FM" or "K20") in your phone's Bluetooth settings and attempt to re-pair.
- Restart both the remote and your smartphone/tablet.
- Functions Not Working (e.g., Page Turning, Camera Shutter):
- For iOS devices: Confirm that AssistiveTouch is enabled in your device's Accessibility settings and that Tracking Sensitivity is adjusted (35-50%). This is a common requirement for full functionality.
- Ensure the specific application (e.g., Kindle app, Camera app, TikTok) is open and active on your phone.
- Some apps may require different buttons for specific actions (e.g., "Up"/"Down" for page turning instead of "Left"/"Right"). Experiment with the buttons.
- Check if the remote's battery is low.
- Intermittent Disconnections:
- Ensure no other Bluetooth devices are causing interference.
- Keep the remote within the effective range of your smartphone.
- The device automatically turns off after 30 minutes of inactivity. Power it back on if it disconnects after a period of non-use.
- Poor Battery Life:
- Ensure the device is fully charged before use.
- Battery performance can vary based on usage patterns and environmental factors.
- If battery life remains significantly shorter than expected, contact customer support.
Specifications
| Model Name | USA-K20 |
| Brand | Symcode |
| Connectivity Technology | Bluetooth 5.0 |
| Wireless Distance | Up to 33 feet (10 meters) |
| Compatible Cellphone System | Android 8.0+ and iOS 14.8+ |
| Battery Type | 1 Lithium Polymer battery (rechargeable) |
| Color | Black |
| Item Weight | 38 Grams |
| Special Features | Ergonomic, Rechargeable, Universal |
Warranty
This product comes with a 2-year warranty. Please retain your proof of purchase for any warranty claims. For details regarding warranty coverage and procedures, refer to the documentation provided with your purchase or contact customer support.
Support
For further assistance, technical support, or inquiries regarding your Symcode USA-K20 Smartphone Remote Control, please refer to the following:
- Online Resources: Visit the official Symcode website for FAQs and additional product information.
- Customer Service: Contact the retailer or manufacturer's customer service department using the contact information provided at the point of purchase.





