According to the Financial Times, U.S. lawmakers have warned the tech giant Apple against using memory chips from a Chinese semiconductor firm in the new iPhone 14. The concerns came after Korean news outlet Business Korea reported that Apple had added Chinese firm Yangtze Memory Technologies Co (YMTC) to its suppliers’ list of NAND flash suppliers for the new iPhone 14. The article said that Apple wanted to reduce the prices of NAND flashes by diversifying suppliers. Marco Rubio, the vice-chair of the Senate intelligence committee, told the Financial Times he is concerned, “Apple is playing with fire.” Rubio added,…