Welcome to the community
You’ll have to check fastboot flashing get_unlock_ability
again.
0
: Don’t lock it and reinstall the system to get it back to1
1
and it doesn’t boot after locking: The security patch level on your phone is newer then the ROM you are installing, unlock it and look for a newer release1
and it boots: Congratulations
Yes
Depends on the apps you want to run and if one of them checks for that.
Here’s some more information on the different states, keep in mind that the FRP protection only works on a stock ROM.