Brightness Problem - LG Optimus G (International)

I got a new screen, and I think that it's not original, and I cannot change the screen brightness. Can someone tell me a way to force it down?

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[Q] there is any Auto brightness controller ??!

Hey guys how are u all
Ihave a question can i rise the brightness up with auto brightness working
Becouse if i but mark on auto brightness icant rise up the brightness
Like ios do coz on low brightness there is avertical bending isue on my screen
And iwant to ask if there is any rom that solve the vertical bending problem thank you very much
Get an LCD screen device.
Banding == solved.
adrynalyne said:
Get an LCD screen device.
Banding == solved.
Click to expand...
Click to collapse
That not asolution ilove my gnexus and im not thinking for replace it
Thats your only solution to banding.
Yes there is a solution just rise up the brightness and the vertical bending will dissapear but if you did you cant apply the auto brightness mode and thats the problem
Bigxie's rom let's you set the autobrightness level: it's the only one I've tried so I can't comment on whether there's other roms that do the same thing.
You can use an auto brightness app and set custom brightness levels, like mine.
Ive tried that app, free version on ics 4.0.3 and had several reboots\crashes.
One is when using pattern to unlock:
- Screen is set to turn off after 30 sec, when the screen dims before shutting off and i swipe the pattern it crashes reboots.
Also in normal operation when the screen dims at shutoff point and i do something to wake it it can crash\reboot.
I have had mainly two brightness settings, 40.0 and 130 lux (0.5mA)
40.0 was set at 21% and 130 at 33%.
When commuting on bus\train the light conditions change frequently and also that can cause the reboot\crash.

[Q] Auto brightness issue maybe

Does anybody notice that the screen randomly dims and returns right back to bright even though lighting around your area hasn't changed. My galaxy s2 didn't do this even at auto brightness. I love the phone but this is kinda annoying. So should I take this to be normal.

[Q] replacement screen dimming

When you use an app do dim the screen more than the default does it go black for you? So on my old optimus g I am 99% certain I downloaded an app to dim the screen lower than the default settings and it worked. On my replacement phone if I try to dim lower the screen goes black. I am wondering if my replacement has a crappy screen or if something changed weather its software or maybe lg changing the screen slightly along the way.

Screen dimming itself on stock roms

Has anyone noticed this? I have auto brightness set off but the screen dins itself when the screen is white for example. I've seen an option on some android phones to adjust the screen to dave battery bit i can't find it on this phone. Is there any way of disabling this it's really annoying. I'm using cm now for this reason only but I would like to use stock but the dimming annoys me too much.
Mr Sliff said:
Has anyone noticed this? I have auto brightness set off but the screen dins itself when the screen is white for example. I've seen an option on some android phones to adjust the screen to dave battery bit i can't find it on this phone. Is there any way of disabling this it's really annoying. I'm using cm now for this reason only but I would like to use stock but the dimming annoys me too much.
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Click to collapse
I believe this is a feature to protect your eyes. If auto-brightness is off and it dims on a white screen it's because that amount of brightness can strain your eyes.

Screen too dim, backlight(Maybe) not working.

Hi all. I have a rather weird issue. After droping(oops) my phone, I ordered a new lcd. I shelved the phone as it was unusable until the screen arrived. When the screen arrived, I saw that the battery was dead. I charged it and changed the lcd. That's for the backstory. Fast forward to now. When I open the phone, the screen lights up at full brightness as one would expect at the android one logo. It stays there at full brightness for about 8secs But as soon as it starts loading android the screen dims to absolute dark. In the beginning I thought the phone was closing, you can't see anything... Unless you close the lights.
But even in absolutely dark room, the screen is still very dim, barely discernible. The phone works absolutely fine otherwise, touch camera sound etc. I backtracked the process and put it's original screen on, but it does the same.
I tried disabling auto brightness it does nothing. In fact, changing brightness from the slider does absolutely nothing whatsoever.
Tried calibrating the sensors from the engineering menu(not sure it was called that, the one you enter when you put numbers on the call menu) they seem to be working, but the brightness doesn't change.
Tried removing the battery for a prolonged amount of time (around 6 hours iirc). Still same.
At this point i'm thinking:
1)Software problem. I will really need to hard reset the whole thing, which i'd rather not, and hope for the best.
2)Bad screen, which doesn't explain why the previous one has the same problem, or why the screen works during the logo.
I hope I was able to give enough info. Any help would be greatly appreciated. Thanks!
Hi, I'm having almost the same issue (display very dim, but for me it is always very dim) and this manifested not after any dropping or screen replacement, I guess I just wrongly inputed a button sequence that configured the mobile in this weird status. It is really annoying as it is almost impossible to unlock sims, basically the phone is unusable, very frustrating....
Hey there, did anyone found a solution for this issue?
Has anyone solved this problem?
Have you found what was causing this?
I’ve the same issue, replaced the lcd on a xiaomi mi a1 and the backlight is present at the logo startup but completely black after that.[br]
On a dark room I can barely see the screen and all it’s working, but adaptive light button is missing, seems like the bootloader is able to use the backlight but not android itself
I have the exact same problem, i really hope someone knows a solution to this. I tried pretty much anything within my capabilities

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