Oh man, that’s a lot! You’re doing really well. In the future when things get better and you decide to expand into laptop repairs, I’ll be here for it. I know a thing or two about the software-related fixes so I’d be really excited to learn the hardware bit from someone as experienced as you.
RE: Repair of a Samsung Galaxy A05. It neither turns on nor charges /Reparación de un Samsung Galaxy A05. No enciende ni carga.