SpeedyBee ESC V2 and V2.1 Issues - Firmware Update

SpeedyBee ESC V2 and V2.1 Issues - Firmware Update

Some early versions of the SpeedyBee ESC V2 and SpeedyBee ESC V2.1 have a firmware bug that can cause one or more motors to behave strangely.  This applies to BLheli_32 firmware version before 32.82  The fix will be included with the next release of BLheli_32 firmware but if you have any Speedybee V2 or V2.1 ESC we highly suggest you upgrade your firmware ASAP to avoid any possible issues.

How to Flash Blheli_32 Firmware



The video below shows you the process to flash new firmware to your Blheli_32 ESC.  This is done via ESC Pass-through on with your ESC connected to your flight controller.

Please use the appropriate HEX file for your SpeedyBee ESC, depending if you have V2 or V2.1. Using the wrong firmware file may cause more issues so please make sure to use the correct version.  Please find the HEX files in the attachment area below:


    • Related Articles

    • How to install/Flash Betaflight Firmware (GUI or DFU Mode)

      This is a quick guide that will walk you through the process of flashing betaflight firmware onto your flight controller What is a "Firmware Target" or "HEX File" in this context? Betaflight firmware is made to run on many different boards. So, it is ...
    • Blheli ESC is Not Recognised - How to check the connections.

      This article is a follow up from our ESC and Motor troubleshooting Guide, this article will help you to double check for any connection issues between your flight controller and ESC. Connect to BLheli Suite To check this the easiest thing to do is to ...
    • I Can't Update My DJI FPV Air Unit (Caddx Vista)

      If you are having issues with updating your DJI FPV air unit, or Caddx Vista Air Unit, this guide will help resolve some of the common issues we encounter with them If your Air Unit gets stuck during a firmware update: Try to flash different USB ...
    • Betaflight Firmware Guide for iFlight BNF Drones

      Important Disclaimer More than 50% of our support work is linked to messed up firmware, flash-bricked flight controllers or misconfigured BNF drones. So don't waste your time or money, FPV quads are more fun flying than fixing... Before proceeding ...
    • Caddx Vista air unit failed firmware update or overheating.

      As mentioned in the Vista manual, it is important to ensure proper cooling/airflow over your air unit when performing a firmware update.  Failing to do this can damage the air unit.  During a firmware update the automatic power management ...