[dashesyan]

The article linked to a 34 minute YouTube video which demonstrated one unlock method: they replaced a locked iPhone's CPU, baseband CPU, baseband EPROM, NAND Flash (reprogrammed), and touch ID sensor with ones from a donor iPhone and were able to restore iOS.

[rasz]

except its cheaper to just fix donor iphone that already has all the listed components working

[londons_explore]

Labour is cheap in Vietnam...

[knd775]

But the parts aren't. It simply does not make sense to go that route.

[londons_explore]

The parts are if you buy water damaged devices.

Water tends to kill the PCB (due to corrosion), but all the individual chips will usually survive.