Having problem with the screen - Galaxy Grand Prime Q&A, Help & Troubleshooting

I'm having problem with the screen it won't go to sleep my display is made on 15 seconds to sleep but it doesn't turn off. :/

See on developers option if is not active the option of keep screen turn on

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8125 stuck with no disply

Today I had an alarm set, when the alarm went off I tapped hit the power button on the top of my phone to turn the screen off (and hopefully the alarm... but only the screen went off). The alarm continued to go, but no matter what I did, I couldn't get the screen to come back on.
I can fully interact with the phone (as if the screen was on). For example, pressing talk twice redailed my last call. Pressing power prompted to shut the phone off (could hear the "blurp"), etc.
So, after shutting the phone off (or resetting with pinhole reset), the display works fine while it is displaying the "Cingular - Raising the Bar" nonsense. As soon as that screen is done (where it would have normally showed the today screen), the screen just goes off...
Any ideas?
-Shaun
nevermind, when I put it under a bright light I realized the screen was on, the backlight was just off... somehow I must have hit some shortcut to turn the backlight off.
-Shaun
PEBKAC
Don't sound too relieved...
Say hello to the Backlight bug.
You're backlight will keep setting itself to the lowest setting after every soft-reset, when you let it go into stand-by itself.
I'm still sufferering from it. It started when i first installed PocketZenphone.
So just want to give u a warning. Everytime you reset your phone, remember not to let it go into standby itself. Either tap the power button and turn the screen off, then turn it on agan. Otherwise, the Backlight will go to low again.

[Q] Auto Wifi-off during sleep?

Is there a setting (or standalone app), that will turn off wifi after a set amount of time after the screen goes off? I know the stock system had much worse battery life if wifi was kept on, and I'm assuming the same with CM7?
Yes I know I can just turn it off manually, but I'd rather it just turn itself off after say five minutes of me pressing the power button or it turning the screen off itself, then restart wifi when I turn it back on.
Thanks
The app Wifi Keep Alive can keep it on, or turn off when screen turns off unless plugged in. But it doesn't have a timer feature.
You don't need an app to turn off wifi when the screen is off with CM7. Just go into menu/ settings/ wireless & network/ wifi settings/ press menu/ advanced/ and then change the wifi sleep policy to whichever setting you'd like.
On the stock rom wifi will turn off when the screen turns off. I think it is actually annoying.

[Q] Screen fade after few second - should turn off

After official KK update when I leave my phone with unlock screen it fade down, and instead turning off it stay fade down.
When double tap it, or press power screen turn off.
I'm thinking its some kind of software setting - but can't find any.
I have 15sec till screen turn off but it fade after 11 seconds and stay that way. I tried cover sensors with hand but same thing.
Im on stock KK, D802.
Display > Auto off, bright 60%, Screen Saver 15sec, Screen saver: fade, auto rotate: on, dream settings: off, smart screen: off, smart video: off, led: on
When i turn off screen saver it dosn't fade.
When I change screen saver effect it just fade, so it looks like screen saver is broken in KK ?
Anyone ?
sapsa said:
Anyone ?
Click to expand...
Click to collapse
I have the same problem on stock 4.2.2 D80210b-HKG-XX.
But I can fix it on a time when reboot a phone.
Kolandr said:
I have the same problem on stock 4.2.2 D80210b-HKG-XX.
But I can fix it on a time when reboot a phone.
Click to expand...
Click to collapse
first few reboots didn't help. Now it self fix'd.

any idea on tap to screen on??

As like G2 pro, tapping twice allows screen turn on automacally, is there any kernel or app that allows tap to screen on??
Not just turning screen black, but actually what i want is awaking from sleep mode..
Thanks a lot

Getting Rid of Screen Flicker

Is there an Xposed module which can eliminate the screen flicker that happens just before the screen is going to turn off? I have my screen set to turn off after 30 seconds of inactivity. About 7 seconds before it turns off, the screen dims. When it dims, it flickers like crazy. I'd rather it just stay at full brightness and then turn off. Can this be accomplished with an Xposed module? If so, which one? (You can find a list of modules by name, but not by function).

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