Difference between revisions of "Cypher/FirmWareUpdate/Alternate"

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*Power off, Disconnect FLEXF3 from USB Cable
 
*Power off, Disconnect FLEXF3 from USB Cable
 
*Enable '''No reboot sequence'''.
 
*Enable '''No reboot sequence'''.
*Enable '''Full chip erase'''.
 
 
*Enable '''Flash on Connect. [[File:BF_Firmware_Boot_Pins.jpg|thumb|upright=0.25|right|Boot Pins]]
 
*Enable '''Flash on Connect. [[File:BF_Firmware_Boot_Pins.jpg|thumb|upright=0.25|right|Boot Pins]]
 +
*Enable '''Full chip erase'''.
 +
*Disable '''Manual baut rate'''.
 
*Jumper (short) the '''BOOT pins'''.
 
*Jumper (short) the '''BOOT pins'''.
 
*Press the '''Load Firmware [Local]''' (3) button at the bottom right.
 
*Press the '''Load Firmware [Local]''' (3) button at the bottom right.

Revision as of 17:17, 6 May 2020

Recovery Firmware Update (using boot pins)

Note: Before trying recovery, close all apps and restart your PC and try the normal procedure on the Firmware Update Page again.

Note: We do not use, and do not recommend the use of the Zadig driver program mentioned by BetaFlight. We have seen poor results when used.

Note: As usual, you will need the CP210x Drivers installed as found on the BF Welcome Screen.

Note: You can use the Windows Device Manager to see if the driver is connected and what Com port is in use by the CP210x (FlexF3).

Note: if you are not successful, REBOOT the PC and/or try a DIFFERENT PC. These two points have solved most failed update cases.


If you have lost communication with your board follow these steps to restore communication using the Windows Betaflight Configurator:

  • Power off, Disconnect FLEXF3 from USB Cable
  • Enable No reboot sequence.
  • Enable Flash on Connect.
    Boot Pins
  • Enable Full chip erase.
  • Disable Manual baut rate.
  • Jumper (short) the BOOT pins.
  • Press the Load Firmware [Local] (3) button at the bottom right.
  • Select the *.hex file from the location you stored it in prep.
  • Connect USB Cable to FLEXF3 (activity LED will NOT flash if done correctly). The Flash update should start automatically. Wait for it to complete.
  • Remove BOOT jumper. Remove USB cable.
  • Power on by USB cable (activity LED should flash).
  • Connect normally and Update Settings.


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