guyz i have an working iphone8 unit with broken glass.
1. display was ok
2. touch digitizer was ok
but : after i test the iphone7 original lcd screen ( i connect only the display connector didnt connect the touch id connector )
result : iphone8 was stuck on apple logo
next step i put back its original iphone8 lcd screen both connectors are connected
result : iphone8 touch digitizer not work :(
Any ideas who encounter this issue?
which on mother board got fault after test an original lcd screen from iphone7
please help