Dont know if its still relevant but bios 3000 and removing metal plates did the trick for me, Thank you to whoever recommended it, saved me from throwing this garbage out
Sorry Bruv After a couple hours its gonna start dropping again I Downloaded the update last night and went 3-4 hours with not fps drop but sadly 1 randomly happened and I just assumed it was a random fps drop but every 30 seconds. god how much i hate this laptop