Can’t we just swap old phone processors with new ones?
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The CPUs are not replaceable like they are on PCs. They get soldered to the circuit board directly rather than fitting into some kind of socket. So taking them off is itself an exercise in circuit board repair.
Even then, PC motherboard CPU sockets vary by generation. AMD supporting the same CPU socket from 2017 to 2021 was downright weird by PC standards, and the socket changing every 2 years or so is common. New memory types, different power demands, and the demands of newer technologies don’t make CPUs pin compatible very long. Even phones have to choose between DDR2, DDR3, DDR4, and other types of RAM, for example.
So the concept holds. The CPU doesn’t come out, and even if it did, the new CPU probably doesn’t fit into the same place onto the same pins.
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