Galaxy S7 on old version?

I and my colleague both have S9’s, mine has continued to update, hers though stopped a couple of updates ago, I have been advised to take a couple of steps (which I now forget) to bring that up to the same version as mine(the current OS version).

I also have an older S7, which I am trying to tell if it has suffered the same ie not upgrading automatically - it currently displays:
v1.17-20231109350746
Android 10
Reading this post:

My S7 should be on ‘S’, which I make out to be Android 12.

Do I understand this correct ?

I understand to manually force the update I need to first clear the cache, and if that does not work then reboot into a ‘preloader’ mode (sorry forgot name), and select update from there.

Regain your privacy! Adopt /e/OS the deGoogled mobile OS and online servicesphone

Here is the thread with the earlier advice. Why is S9 on Android v12 e/OS v2.3 and S9+ Android v10 e/OS 1.14t the

… but reading that post also shows you how to give your full version string so that you get the best suggestions.

Yes, sorry … ones head spins with the number of daily tasks one has to do … forgot I’d posted that … have picked it up. Thanks