Long screw damage repaired but error 4013

Hey :)

I repaired a long screw damaged iPhone 5 today but when I want to update it (because its in recovery mode) it appears with error 4013...

-Im using a dc power supply

-I tried other cables, ports and pc

I had the same problem with 2 iphone 5s...

I repaired a long screw damage on the left bottom ( NOT Bluescreen Hole!)

Iphone had redscreen and after the repair ive not seen the redscreen anymore but both of them have also error 4013 problems...

What can i do?

Is it a nand problem?

On every iphone i can see the serial number when plugged in to itunes, so the nand is good or not? Can it show me the serial number and be damaged too?

What can i do else?