There is a rumour that Samsung Electronics is going to be the main supplier of processors for Apple’s next iPhone, which will be manufactured in Samsung’s Austin, Texas plant. A Samsung spokeswoman said that Samsung does not comment on market speculation, and the rumour hasn’t been verified, but wouldn’t that be interesting?
Samsung has been Apple’s greatest competitor (apart from Xiaomi, which is now dominant in China) for a while, and there have been major standoffs and lawsuits between the two companies.
There is a list of them.