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USB-Interface: Multi Rotor Programmer
  • Overview
  • Parts & Accessories
  • Manuals & Support

Key Features

  • This programmer is used to update the Blade Inductrix Switch, Blade 350 QX and 200 QX firmware
  • Added February 2019 - Inductrix Switch support

Inductrix Switch Firmware Update Information

The BLH7840 Multirotor programmer can be used to update the firmware on the Inductrix Switch models.

For more information and detailed instructions, please click here.

Inductrix Switch to Air Tutorial

350 QX and 200 QX Firmware 2.0 Update Information

In order to update an existing 350 QX to firmware 2.0, there are two options:

Option 1: Purchase the USB-Interface cable from Horizon Hobby or your local dealer and complete the firmware installation yourself. This update is very easy to install, the software is compatible with both PC & MAC and is available HERE for FREE.


Option 2: For a service charge of $75 (plus shipping and handling), the service department at Horizon Hobby will complete the update for you and return the product once complete. Please go to our Service Center page to fill out a service request form.

More information about how to complete the update is available in the USB-Interface cable instruction manual which can be seen here.

Optional Accessories

EUR 29.99
This item is no longer available



Product Support Tips

Product Support

Product Support & Service

Technical questions about this product should be directed to Horizon Hobby:

Horizon Hobby GmbH
Hanskampring 9
D-22885 Barsbuettel

US Product Support:
Mo - Fr: 2:00pm - 9:00pm (UK Time zone hours of operation)
English: +44 (0) 127 929 7061

Europe Customer Service & Tech Support:
Mo - Fr: 8:00am - 4:00pm
English: +44 (0) 127 929 7061
German: +49 (0) 40-822167800
French: +33 (0) 7 822 63 500

To contact Tech Support email us at service[at]

If you would like to purchase this product at a local retailer please visit our Store Locator.

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