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Jun 05, 2016, 04:31 PM
I Void Warranties
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How to upgrade Flysky / Turnigy iA6B RX to firmware 1.6 with a ST-Link

How to upgrade Flysky / Turnigy iA6B RX to firmware 1.6 with a ST-Link (Windows):

Use this procedure at your own risk

  • Download and install ST-Link driver:
  • Download ST-Link Utility:
  • Connect the iA6B to the ST-Link:
    - connect a gnd pin of the receiver to gnd on the ST-Link
    - solder wires to CLK & DAT pads inside the RX then connect them to the ST-Link SWCLK & SWDIO pins:
  • Power the RX with 5V though a servo output pins then connect the ST-Link to USB
  • Launch ST-Link Utility
  • Set the Address field to 0x08000000 and Size to 0x8000
  • Click Connect to the target ()
  • Click Save () to keep a backup of your firmware, just in case ...
  • Download TGY firmware 1.6 for iA6B:
    optional: open it in an hex editor then change the 4 bytes at offset 0x1C00 (12 34 56 78) to change RX ID, I think you can use any arbitrary values, just avoid using FF FF FF FF
  • Click open () then select the 1.6 firmware file
  • Click Program Verify (), check that start address and file path are correct, then click start
  • Click Disconnect ()
  • Unplug ST-Link from USB, disconnect it from the RX
  • Rebind the RX to Deviation
  • You should now see RSSI in dB in telemetry monitor screen (~ -60d)

Discussion thread:
Last edited by goebish; Jun 06, 2016 at 04:57 AM.
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