Debloating question Kyocera 902kc/903kc

I'm trying to debloat the Kyocera 902kc/903kc (the specific one I have is a Kyocera 902kc) but there are a lot of packages that I'm not clear about

There are some packages that have no description of them because it's specific to kyocera, or that it's specific to this specific Japanese phone

Examples of what packages you can debloat from the Kyocera 902kc phone

Does anybody happen to know of website or resource for the descriptions of these packages?

If anybody else debloated this same phone, could you let me know what packages you debloated and how it affected the phone?