https://www.amazon.com/dp/B08XBHLLL1?ref=ppx_pop_mob_ap_share
I like this glass and camera glass. It's case friendly if you do that kinda thing I love my Poetic case
https://www.amazon.com/dp/B08ZS74B8Q?ref=ppx_pop_mob_ap_share
You've had 3 8ts and 3 n10s now?
Yes. OEM unlocking allows you to unlock the bootloader which allows you to do things like root the device. You should also be able to install Oxygen Updater or load the latest factory ROMs without having to wait for Metro to push them to you.