A1989 820-00850-A no image

[hgoncalves]

Hi,

I have an A1989 820-00850-A without internal image, and rebooting

Already tried a knlown good display, but only have external image.

I can see image in the external display, but it reboots afetr a few seconds.

Client said that it stoped given image, but it worked on external display for a while.

Can you help?

 

[2informaticos]

Did you test disconnecting internal LCD?
Try DFU.

Check diode mode readings on J8500 data lines.