Display light problem

[Sarfaraz]

I have major issue on my #XperiaM4 Aqua, while I am connecting any calls then the lights turned OFF and not ON its gone n gone.

[Uliwooly]

@kbsarfaraz

Could you explain the issue, I don't quite understand. 

[Sarfaraz · Accepted solution]

After a s/w repair it has been solved,, thanks for your response