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 ...
    • Recent Articles

    • What is the Shipping Cost for My Order?

      Curious about the shipping cost for your order? Here’s how to quickly estimate it, along with everything you need to know about our shipping options. How to Estimate Shipping Costs To get an accurate shipping quote for your order, follow these simple ...
    • Super Payments FAQ

      What is Super Payments? Super Payments is designed to provide a fast, secure, and seamless checkout experience while also rewarding you for your loyalty, earning cash rewards each time you shop with us. How It Works Choose Super Payments at checkout. ...
    • What to Do if Your Payment Was Declined but You See Multiple Charges

      Why Did This Happen? If your payment attempt was denied, but you still see charges on your card, you're likely experiencing a common scenario called pre-authorisation. Here’s why this might occur: You attempted to place an order, but it failed during ...
    • How to Log Out of Your Unmanned Tech Account

      If you need to log out of your Unmanned Tech account, follow these simple steps: Click on the Account Icon In the top right corner of the page, click on the account icon that looks like a small person. Select "Logout" From the dropdown menu, scroll ...
    • Why Soldering is Essential in the FPV Hobby and How to Learn

      Soldering is an essential skill for anyone diving into the FPV (First-Person View) drone hobby. Being proficient in soldering ensures that all electronic components of your drone are securely connected, which is crucial for reliable performance and ...