time to time light on

[#1]

i got a xperia u in thelast week,after  two or three days when i get the call or somethin afer locked the phone, after few time display on light on and off after five secand again on and off on and offauto display on and off what,s problem i don,t know

[sajibtech]

I recommended you , that please update your phone to .184.. its help you..

[pradeeprk4]

it is due to some apps that you have installed on your phone. check permissions of recently installed apps, (or from the time when your phone got this problem to be exact).

try uninstalling the apps which have the permission ' SYSTEM TOOLS; PREVENT PHONE FROM SLEEPING", or something similar.

(you should try uninstalling and see, it is not easy to findit  by looking at permissions)

[htaneja]

I'am facing the same problem from last 2-3 week i.e light on/off.This morning i updated my mobile to b184..but problem remains the same...now after reading pradeeprk4 post..i have uninstalled some apps..let c what's next...

[sajibtech]

If you have apps like mosquito  killer.nd some apps which need to connect internet for ad .,.this is will b main prob for blinking led when scree lock active.

[#6]

I'm having the same problem..I had Illumination bar app and i uninstalled it..Turned the mobile off then back on...but still having the same issue...I will try the new update maybe it fixes it..

[xperiaU]

there is no problem in the "illumination bar Notification" app.

there is some other app thats playing with the processor of ur phone.

go to settings -> apps -> manage apps -> Running services.

here if you find any service specific to an app then that app needs to be uninstalled.

ignore whatsapp, facebook, illumination bar...

[Rosie-Posie]

This happened to me too, drove me crazy. I checked running apps and power saver was one of them even though I never used it. After I uninstalled it, the problem was gone.
Hope this helps.

[ankit_baurasi_3]

I hav got same problem with my device

but i hav heard that 184 has some network related issues
signal shows zero after few hours, needs restart
bluetooth and wifi issues

etc.

I think its easy tolerate glowing band than that ?

[aki143]

i just bought xperia miro ... annoying problem is that xperia miro screen keeps blinking even when i turn it into sleep mode... or just keep it locked it keeps blinking ... do you know what should i do to make it stop i changed themes and settings but nothing is working it keeps on annoyingly blinks every 2 seconds ...? even at charging it keeps on blinking every 2 seconds ... on off on offf... ?what shoulfd i do?can you pls tell me how to uninstalll power saver from ,y pfone ...?