Help with thermistor change

Upgraded my thermistor on a stock i3 plus (already running 4.06 firmware). I’m a complete newbie at this so can you please confirm my steps here are correct - and then help me with the flashing at the very end:

  1. I purchased this Thermistor:
    https://www.amazon.com/gp/product/B07Q5MKSLS/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1

NTC 100K thermistor 3950K beta A value.
Use TEMP SENSOR number 11 in Marlin.

  1. I downloaded the latest binary, in the Marlin folder I changed configuration.h to read:

#define TEMP_SENSOR_0 11

Followed the instructions for PlatformIO IDE and successfully built the firmware. I see the firmware.hex file in .pionvs folder.

Now, assuming I did all this correctly up to this point (please confirm), what file do I choose when I reflash the mainboard? The first time I flashed, I chose the file named ADVi3pp-Mainboard-x.x.x.hex. Do I now choose the file newly generated named firmware.hex instead?

Yes. Be sure to build the right firmware as they are several (for BLTouch, for Mark II, …)

Thank you.

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