not yet until now
Huawei is working on the next generation of mobile phone chips, using 3nm technology, named Kirin 9010, and is expected to complete the design this year.
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Now Samsung and TSMC's 3nm process research and development is blocked, and mass production can not be achieved until 2022 at the earliest. The stagnation of Huawei's chips has indirectly helped Mediatek surpass Qualcomm to become the largest mobile phone chip manufacturer by volume.
iphone14, Huawei mate 50 pro
So far there are no 3 nanometer mobile phone chips, only 5 nanometer Huawei Kirin, Qualcomm