Probably can't fix it on its own. The IC on the motherboard requires special tools to be removed (no pins), and many components need to be seen under a magnifying glass.
Apple phone plus this model is large, so it is easy to break, especially you this touch ic, if you want to continue to use, go to the store or find acquaintances to repair, do not plan to use then change the phone, repair touch ic is not wrong if the store is 800 bar, like, the general repair shop will be very cheap.
Because the ic system of the Apple machine is integrated, it is concentrated on a motherboard, and it has the unique encoding of the machine, so no matter which piece of IC is replaced, it will be more or less affected.