The original Android 5.1.1 software prevents the installation of most modern applications from the Google Play Store due to outdated API levels. Upgrading to Android 10 via a custom ROM delivers critical improvements:
Found in "Developer Options" on your tablet. smt285 android 10 upd
Yes, installing a custom ROM voids any remaining manufacturer warranty. This is a common risk in the Android modding community. The original Android 5
Even though an Android 10 update is unlikely, here is the standard method for checking for any official software update on your Samsung device: This is a common risk in the Android modding community
None. Samsung’s official update servers and tools like Samsung Smart Switch will only state that your device is up to date on Android 5.1.1. Why the Official Update Stopped
You need to flash a custom recovery (TWRP) using a PC tool called Odin. Find a stable LineageOS build for the on the XDA Developers forum.