ca
cab1e518
cab1e518803c049b04e72165f50aa06d1723f10ea289793732f4231b8c20ef04
There are many binary blobs that are made by google and Qualcomm etc. That literally made the hardware work. These are all closed sourced binaries.
Yes the bootloader is made google and can not be changed. It is enforcing the security checks in the os.
You could set up a separate profile and run graphene with gsf and google play. Only use that profile when you need to send zaps.