Tried to upgrade OTX 2.0.20 to 2.1.9 error finding .bin file

[acsrandd]

I have a Taranis X9DP v2.0.20 OTX, kept existing OTXC 2.0.20 and installed OTXC 2.1.9. Stored "opentx-taranisplus-en-2.1.9.bin in a deeply nested file and then navigated OTXC 2.1.9 Firmware Update path to this deeply nested file. Get error message "Executable D:..path, opentx-taranisplus-en-2.1.9.bin could not be found. So I stored the opentx-taranisplus-en-2.1.9.bin on my desktop and tried again navigating this time to the .bin file on my desktop but I still get the same error!?

[acsrandd]

Found the solution, Kilrah once again provided the answer. With 2.0.20 I should have powered up the x9d+ rather than try this with power off via the previous FW load method.

[acsrandd]

I do want to reopen this question. I should be able to connect my x9d+ (powered off state) via USB to my computer, launch OTXC v2.1.9, select write firmware icon, navigate to the location where my "opentx-taranisplus-en-2.1.9" is stored and write the FW and new bootloader to my x9d+.

I am not able to do this I get the following error:
Executable D:/##ACS R&D/FrSky Taranis X9D Tx/FrSky_OpenTxCompanion 2.1.xx version June 2017/OpenTxCompanion 2.1.9/opentx-taranisplus-en-2.1.9.bin not found. Even if I put the opentx-taranisplus-en-2.1.9.bin on my desktop and navigate to it I still get the same error.

[Kilrah]

Executable

You have somehow set the path to dfu-util.exe in "configure communications" to the firmware to flash.

Set it back correctly to dfu-util.exe in the directory companion is installed in.

[acsrandd]

Kilrah, thanks that gets me closer to resolving this issue.

Now I get the error "could not check firmware from radio" (radio off, USB connected, profile set to FrSky Taranis 9XD+) and the firmware update process automatically ends. I am able to update the FW via the three finger solute but of course that leaves the old ver. of the bootloader i.e. 2.0.20 boot loader. I know I can leave the old boot loader but I really want the same rev. for the BL as the FW.

[Kilrah]

Put the firmware file on the radio's SD card and update bootloader from the radio if you really want to.

[acsrandd]

Kilrah, any idea why the power off update does not work and I am forced to the SD card route?

[Kilrah]

SD card route is the recommended one. Power off requires installing specific drivers, and that's best avoided. Power off is meant to be for recovery only if all else fails.

[acsrandd]

Kilrah, thanks.

Also, I asked you about the S2/S3 issue on the X9D+ TX (a different thread - viewtopic.php?f=97&t=7122&p=98153&hilit ... ent#p98153) any comments, suggestions?