Apple reportedly switching to its own iPhone modem design in 2023

The image is called "chorus image" and was taken by Vjeran Pavic.

According to a new report, Apple is working with Taiwan Semiconductor Manufacturing Co. to make its own 5G modems. The modem is being designed and tested at 5nm before moving to mass production in 2023 at 4nm, which is when Apple is said to be planning to use TSMC's 4nm process.

TSMC is the natural manufacturing partner for Apple when it switches to modems of its own design. According to a recent report, the dominant player in the industry and producer of modem components for the entire iPhone 13 lineup, expects to account for just 20 percent of modem orders in two years.

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Apple bought the 5G modem division from Intel. The modem technology patent dispute between Apple and Qualcomm ended in a $4 billion settlement.

The M1 systems-on-chip for Mac computers are manufactured by TSMC. Hundreds of TSMC engineers are based in Cupertino to work on Apple's chip development team. Some iPad models are said to be adopting 3nm processors in 2023, while some iPhone systems will use TSMC's 4nm process in 2022. The 3nm jump will be made by the iPhone as soon as next year.