Galaxy s20+ no wi-fi calling option

To mustang7757 and anyone else following this thread, I haven't abandoned my quest to find a solution to the stated problem (no Wi-Fi Calling) on my wife's S20+ 5G phone. I've been and still currently am juggling several tasks and home projects, so the time I have available for this task keeps getting reprioritized, depending on weather and other factors. That said, I have continued learning more on this topic and have downloaded and installed SamFW and used it to download the Samsung Galaxy S20+ firmware for CSCs VZW, XAA and XAR, so I'll have what will be needed when I do get to the point of flashing firmware to hopefully resolve the no Wi-Fi Calling issue. BTW, if anyone believes I should download any other CSC versions, please let me know.

On a related note, I also recenly downloaded Odin 3.14.4 and today, when I launched it for the first time, I was surprised to see a window pop up before seeing app, saying "Please be sure to delete your Google account (Samsung account) before downloading the binary. It is not possible to use the device without unlocking. Changing the partition without unlocking will cause problem." This was a surprise and made me somewhat suspicious that I had somehow gotten a "tainted" (i.e., app with malware, virus or spyware) Odin app, even though I downloaded it from supposedly safe/official site and none of my PC security apps for detecting malware, virus and spyware detected any such problem during scans of downloaded SamFW and Odin apps, scanning all downloads with all my security apps. I'm just not sure what I should think about this opening statement upon opening Odin for the first time.

So, to cap this for the time being, I'll get back to this thread as soon as I can and hopefully can tap into mustang7757 and/or others knowledge to get guidance on getting firmware flashed that will resolve the problem. I thank you all for your patience and willness to help and look forward to getting back to this task ASAP.
 

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