How to identify the Android version?

You can check it via fastboot using

fastboot getvar all

and then looking up in that command’s output for baseband version, which corresponds with the Sony’s exact Android update version installed (e.g. something like 62.1.A.0.675, which you can then google up to identify).

P.S. I believe that you can also query the baseband version directly using

fastboot getvar version-baseband
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