Tutorial for T16D Firmware Upgrade


1. Transmitter Button Diagram


2. Download the Latest Firmware

Visit the RadioLink official website: https://www.radiolink.com/t16d_firmwares and download the latest firmware for the T16D. The downloaded file is a ZIP archive. After saving it to your computer, extract the contents. The extracted firmware package contains four folders: Firmware, Model, Script, and sounds.

  1. Firmware: Contains firmware files.
  2. Model: Stores model data files.
  3. Script: Contains Lua script files.
  4. sounds: Stores audio files.
  5. SYSTEM: System audio files.
  6. USER: User‑custom audio files.

Note: To keep your existing transmitter settings, do not delete the Model folder.

3. Copy the Firmware Files

  1. Connect to Computer: Use a USB‑C cable to connect the T16D to your computer.
  2. Power On in Boot Mode: Push both the Aileron Trim and Rudder Trim buttons to the center. While holding them, long‑press the Power button. Release when you hear a series of beeps.
  3. Enter USB Mode: The BOOT MODE screen will appear. Select USB MODE and press the Push button to confirm.
  4. Access the Drive: The transmitter enters USB mode, and your computer will recognize it as a removable disk.
  5. Update Firmware Folder:
  6. Delete the original Firmware folder on the T16D drive.
  7. Copy the new Firmware folder from the extracted firmware package to the drive.
  8. Update System Audio:
  9. Copy all files from the SYSTEM folder inside the new sounds directory to the same path on the T16D drive.
  10. Note: New firmware may add voice prompts that require updated audio files. Replace existing files if you want the new voice features.

4. Upgrade the Firmware

  1. Exit USB Mode: After copying files, press the End button to exit USB mode. Select Upgrade and press Push to confirm.
  2. Start Upgrade: The Upgrade MODE screen will appear. Select YES and press Push to start the firmware upgrade. The on‑screen percentage shows progress.
  3. Upgrade Successful: When “Firmware upgrade successful” appears at the bottom of the screen, the update is complete.
  4. Reboot: Press End to exit the upgrade menu. Long‑press the Power button to turn off the transmitter, then power it on again for normal use.