Blu Studio J1 - Input, Camera, and Connectivity Issues

TP issue
Start
Check TP is
damaged or
not
YES
Replace A-
Cover Assy
No
Check software version?
And update new software
YES
OVER
Replace Main PCBA
Check
Connector J0900
no damage
YES
Change J0900
No
No
No photograph
Start
Update software or
resetting factory
Main camera
doesn’t work or
front camera
doesn’t work
Main camera doesn’t
work
Update software or
resetting factory
YES
Over
No
Check the camera is
ok or not
No
Check
Connector J1001
no damage
YES
Replace a
new one
YES
Change J1001
Replace Main PCBA
No
No
No
Check the camera is
ok or not
No
Check Front
camera FPC
Soldering Problem
YES
Replace a
new one
YES
Resolder
Replace Main PCBA
YES
Over
Front camera doesn’t
work