(Image credit: Walid Berrazeg/SOPA Images/LightRocket via Getty Images) When Apple began to build its own processors for iPhones and iPads in 2009 – 2010, it initially used Samsung Foundry, but after custom silicon became a key advantage of iPhones over rivals in the early 2010s, the company began to explore other makers as Samsung was Apple's primary rival at the time. The company considered using Intel Custom Foundry (ICF) and Texas Instruments but quickly realized the ICF was not tailored for...