Pal. You're a bit too late in the news, several companies have already tried it especially SAMSUNG. You can search it in the internet.
Or simply read this article

https://www.google.com.ph/amp/s/motherboard.vice.com/amp/en_us/article/3kvdv9/samsung-upcycling-galaxy-s5-bitcoin-mining-rig

I guess not,  for the reason smartphones now do have a high specifications that can almost be par on netbooks or even laptops.