AAPL captures 90% of global smartphone profits, making a forced iPhone 18 price hike a high-stakes gamble on consumer tolerance. Rising memory prices caused the increases. The iPhone continues to be the engine of Apple's revenue; it was $54.3 billion in the quarter. And, if the pattern continues, memory prices will only get higher. If Apple needs to raise iPhone prices at approximately the same time to offset memory prices, iPhone demand may take a hit.