Scenario in short:
I’m trying to install LineageOS onto a spare phone that I have. Hoping to get a daily driver out of it. The installation process requires me to install Android11 to install lineage on top of /over that. Which afaik isn’t directly available outside of some websites that I’ve never heard of.
For safety’s sake: would the install of lineage wipe the install of Android11? Or could there still remain backdoors?
I personally wouldn’t recommend that
…although if you are flashing it to a device with a locked bootloader it does need to be signed by the vendor (thus making tampering unlikely)