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USB-Interface: Multi Rotor Programmer
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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.

Compatible Products

Blade USB-Interface: Multi Rotor Programmer BLH7840 is compatible with BLH7800A, BLH7880A, BLH8000, BLH8080, BLH8100, BLH8160

Optional Accessories

$59.99  $50.99
This item is no longer available
$89.99  $39.99
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Product Support Tips

Product Support

Technical questions about this Blade product should be directed to Horizon Hobby's Product Support Department:

Horizon Hobby, LLC.
ATTN: Product Support

2904 Research Road
Champaign, IL 61822

To Contact Product Support please email us at

Sales Support

If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:

Horizon Hobby, LLC.
ATTN: Consumer Sales

2904 Research Road
Champaign, IL 61822