it is ok

As far bootloader is locked, and you have perfect working recovery, you can just make clean install 10.5+ v11.5/12. I hope it helps you because I always do a clean install.
Hi guys, I want to reinstall it again after installing rom backup urgent problems of frostbite after flashing a few sources for recovery , my question is , is it right by installing version 10.5 and then update v12 + added ???? I find links to previous updates and v11.5 v11 in the repository, thank you very much
excuse my bad English