Manual for OpenTX 2.2
  • Introduction
  • The radio
  • Build Options
  • Companion
    • Basic Concepts
    • Setting up OpenTX Companion
    • Flashing Frsky Radios
  • Software overview
    • Navigation
    • Model Selection
    • Main views
    • Telemetry views
    • Radio menus
      • SD Browser
      • Global Functions
      • Trainer
      • Version
      • Diagnostics
      • Hardware
      • Calibration
    • Model menus
      • Model Setup
      • Heli Setup
      • Flight Modes
      • Inputs
      • Mixer
      • Outputs
      • Curves
      • Global Variables
      • Logical Switches
      • Special Functions
      • Custom Scripts
      • Telemetry
  • First steps
  • Advanced features
    • Flight modes
    • Telemetry Values
    • Audio
    • Global variables
    • Flashing the bootloader
    • Add-ons
    • S-PORT flashing
    • Build Option
    • Joystick emulation
    • Managing Throws
  • SD Card contents
  • Model Setup Examples
    • Standard Four Channel
    • Basic Elevon
    • Flaps - One Servo
  • FAQ
  • Contributors
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On this page
  • File Preparation
  • Hardware Preparation
  • All transmitters except for Taranis Q X7 shipped with bottom S.Port pins
  • Taranis Q X7 shipped with bottom S.Port pins
  • Taranis Q X7 bottom S.Port pins added after shipping
  • Flashing Steps
  • FW Update Errors

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  1. Advanced features

S-PORT flashing

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Last updated 4 years ago

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File Preparation

  • Download the firmware

  • Place the firmware on the SDCARD in the FIRMWARE folder

  • Ensure that the file name is 33 characters or less including the dot and extension

Hardware Preparation

All transmitters except for Taranis Q X7 shipped with bottom S.Port pins

  • The external module bay’s +ve pin has the same voltage as the transmitter’s battery

    • Check that the device being flashed is rated for the transmitter’s battery voltage

    • If it is not then either change the battery or add a BEC/voltage converter in between the module bay’s and device’s power pins

  • Use a servo cable with the positive and negative wires swapped at one end

  • Plug the modified servo cable on to the external module bay pins with the signal wire on the pin in the corner

  • Plug the other end of the modified servo cable onto the S.Port pins of the device to be flashed

Taranis Q X7 shipped with bottom S.Port pins

  • Use a regular servo cable

  • Plug one end into the bottom S.Port

  • Plug the other end onto the S.Port pins of the device to be flashed

Taranis Q X7 bottom S.Port pins added after shipping

  • Will not work due to missing or incorrect circuit components

Flashing Steps

  • From the main view

  • Long press MENU

  • Press PAGE to get to the SD-HC CARD screen

  • Scroll down to the FIRMWARE directory

  • Press ENT to enter the directory

  • Scroll down to the firmware file

  • Long press ENT to display the pop up menu

  • Select Flash ext. device

  • Press ENT

  • Wait for the progress bar screen to be displayed, it could take a few seconds

  • When done the SD-HC CARD screen is displayed again

FW Update Errors

  • Not responding

    Check the connections

    Try a different device and corresponding firmware

  • Module refused data

    Check connections

    Try a different device and corresponding firmware