[Q] HTC Amaze Screen Goes Black After Ending Phone Call - HTC Amaze 4G

I have Speed Rom 5.1 on my Amaze. When I am finished with a call, the screen stays black. I try to hit the power button, but nothing happens. I have to remove my battery in order to reboot. Can someone shed some light on why this happening? I am thinking that it may have something to do with my CPU Tuner settings, but I am not sure.

mrcash101 said:
I have Speed Rom 5.1 on my Amaze. When I am finished with a call, the screen stays black. I try to hit the power button, but nothing happens. I have to remove my battery in order to reboot. Can someone shed some light on why this happening? I am thinking that it may have something to do with my CPU Tuner settings, but I am not sure.
Click to expand...
Click to collapse
Probably that or a bad flash, just reflash, see if it solves the issue.

Most likely it's something simple, like an issue with your proximity sensor. I know there was an app that could calibrate that but I forgot what the app was.

Stock Rom - Black screen while phoning
There is a similar problem on my wife's phone with a stock rom (not rooted Amaze from T-Mobile). When making or accepting a call, the screen will instantly go off even without leaning the phone against anything and won't turn on unless the power button is pressed. Sometimes the screen would turn on by itself after a while after the other phone was hanged.
I've downloaded AndroSensor app: the proximity value does't change even when touching the area near the earpiece. It keeps showing ( 0.5mA ) 3.5 in.
I've found a thread which is there since april 2012 and describes quite a similar problem.

okay.. i just the original post date for this thread.. please don't bring back threads that are 6 month's old which issues might have been solved already since no ones been posting in it for 6 months...
(anyways) this is what i was gonna say
on my current s3 when my phone is placed to my ear it cuts off the display.. and if you pass your hand anywhere near the sensor's to the top near the camera it cuts off the display.. maybe there's a feature like that enabled on the stock rom also.. or you could possible check with the system settings to see "screen" on/off settings in display or power saving mode.. or something...

Thanks for the answer. I didn't notice that the thread was that old. I think I will keep up a newer one. But the current issue isn't likely to have been solved.
The problem doesn't seem to be triggered by wrong sensor measures (because the screen will go off even after disabling the sensor) nor does it depend on the rom version (same thing on the CM10).

Resolved:
It will sound stupid but I have found a simple solution:
I have just wiped the screen in the upper left corner where the proximity sensor is located and it started behaving normally. Though I don't use any protection tape on the screen it seem to have become less sensitive because of mud or sweat.

Related

Screen waking up by itself

I was just sitting on the couch, and the screen on my phone came on by itself. Not to the lock screen or anything, but the screen looks like its on its dimmest setting (barely on at all) and the search button at the bottom is very dimly lit up. Happened twice in the past 20 minutes...anyone else? I'm going to reboot and see what's up.
Are you using a third party sms app? There's a usually a setting that wakes the phone when a text is received.
I've used Handcent without any problems so far. But to be clear, this 'waking up' of the screen is NOT like when you press the button to turn on your phone. When I noticed the problem the screen was so dim that if you're not in a darkened room you probably wouldn't even notice, it's very faint and the only other thing that was lit up was the 'search' button and it too was very dim. At first I thought it was just the reflection of the tv across my phone screen thats how dim the screen was, but it was definitely on and no buttons being pushed would completely wake it up until I pushed the power button to turn on the screen completely like normal. Weird....but after a reboot I didn't see it do it again. I'm wondering if others might not be having this issue and not even have noticed, thus poor battery life for some people?
This happened to me once before. A rebooted fixed the issue for me too.
Sent from my EVO 3D using Tapatalk
Have you used one of the temp roots. I had the same problem when I used one of them and when I restarted the phone it seemed to clear up the issue. I have noticed that powering of the screen while its in 3D mode can cause weird issues too sometimes.
Strange. No this is a stock device I haven't tried the temp root yet. Since the reboot I've been watching it closely and it seems to be fine. I suppose this thread should have been posted in with the one already discussing bugs, but I wasn't sure. Thanks for your kind replies!

[Q] Screen very dim after unlocking?

Hello,
the following problem appears when i try to unlock the phone after some hours: i can see my home screen, but the screen stays extremely dim. When i try to start an app (e.g. browser) the screen turns black. I can unlock it again, but the screen stays dim. after some unlocking the screen becomes normal (normal brightness) and also the apps are startable.
i am using autobrightness, the stock firmware, 4.1.1 (i9300xxdlih) power saver is not turned on.
thx, i hope you can help me solving this problem
fanbayer
Fanbayer said:
Hello,
the following problem appears when i try to unlock the phone after some hours: i can see my home screen, but the screen stays extremely dim. When i try to start an app (e.g. browser) the screen turns black. I can unlock it again, but the screen stays dim. after some unlocking the screen becomes normal (normal brightness) and also the apps are startable.
i am using autobrightness, the stock firmware, 4.1.1 (i9300xxdlih) power saver is not turned on.
thx, i hope you can help me solving this problem
fanbayer
Click to expand...
Click to collapse
i updated mobile phone to android versiopn 4.1.2. this morning. Unfortunately the problem still appears.
Maybe its a hardware defect?
Try to disable somehow light sensor and change settings to non auto brightness.
Sent from my GT-I9300 using xda app-developers app
d0hn said:
Try to disable somehow light sensor and change settings to non auto brightness.
Sent from my GT-I9300 using xda app-developers app
Click to expand...
Click to collapse
i disabled auto brightness and set the brightness to the highest level. But its still same: very dim and after a while a black screen; after a few times of unlocking, the display works normally
I have just seen the same issue on a friend's S3.
Anyone else? I feel like this is a very big issue that is still lurking in a lot of devices.
I tried it myself and I toggled the power button to turn the screen on and off.
It doesn't take long but sometimes when the screen turns back on, it's super dim and you can faintly see the lockscreen image.
You have to cycle the screen several more times to get it to the 'correct' brightness, and no it is NOT a brightness setting.
It's some hardware issue in the phone.
Sorry for the necrobump, but I only found this thread. I have this problem too since about a week back. It makes my phone useless at times. I first thought it was a software issue. I have an app (called Twilight) for dimming the screen more than normal settings and also toning it, for nightime use, and I thought that was the culprit first, but nope. I have flashed rom, recovery, wiped all caches I can think of. Still happens, just now I was in the middle of installing android revolution hd, and the screen ultradimmed on me so I can't finish the process
Thing is, a few months ago I managed to crack my screen by way of gravity and concrete. I let the samsung brand service centre in Stockholm repair it for me (it is out of warranty) and this issue with the dimming never happened before that. Then again, it didn't happen directly afterwards either... but still. So, I am thinking: either me dropping it caused more damages and this is because of that. Or the service center did a bad install of the new screen. Or, the replacement screen that was installed has a defect in itself. I am leaning a bit towards the third explanation... maybe different batches of screens?
Does anyone have any ideas? If I am to contact the service center and complain about their work I would like to be able to point towards a "known problem"...
8Fishes said:
I have just seen the same issue on a friend's S3.
Anyone else? I feel like this is a very big issue that is still lurking in a lot of devices.
I tried it myself and I toggled the power button to turn the screen on and off.
It doesn't take long but sometimes when the screen turns back on, it's super dim and you can faintly see the lockscreen image.
You have to cycle the screen several more times to get it to the 'correct' brightness, and no it is NOT a brightness setting.
It's some hardware issue in the phone.
Click to expand...
Click to collapse
Take it back, if it didn't happen before then the new screen is most likely.
It isn't a common problem

[Q] LG G2 D802 problem when making or answering a call

Hi guys.I have a problem with my LG G2 D802.When I answer a call or make a call,the screen goes blank and the touch doesn't work anymore.I can't do anything else on the phone.The conversation is normal and anything else seems to be ok.Please help! Thank you.
If I answer a call,the screen goes blank,I can speak normally:After the call even the other person finishes the conversation,I still can't do anything on the phone,because the screen stays blank.If I have another call this will awake the screen and it will work normally,I mean,I can take the call,answer and speak on the phone but with the screen blank again. and so on.To have the phone back to normal,I have to reboot it by switching the phone off and on again. Very strange.This happened after I unlocked the phone ,probably because I left the SIM card in ?!!! Any possible advice/solution? I tried soft and hard/factory reset with no results.
help reguading the g2 screen blackout during calls
madafis said:
Hi guys.I have a problem with my LG G2 D802.When I answer a call or make a call,the screen goes blank and the touch doesn't work anymore.I can't do anything else on the phone.The conversation is normal and anything else seems to be ok.Please help! Thank you.
If I answer a call,the screen goes blank,I can speak normally:After the call even the other person finishes the conversation,I still can't do anything on the phone,because the screen stays blank.If I have another call this will awake the screen and it will work normally,I mean,I can take the call,answer and speak on the phone but with the screen blank again. and so on.To have the phone back to normal,I have to reboot it by switching the phone off and on again. Very strange.This happened after I unlocked the phone ,probably because I left the SIM card in ?!!! Any possible advice/solution? I tried soft and hard/factory reset with no results.
Click to expand...
Click to collapse
I actually had this same issue. my g2 is rooted, but running the stock rom. it has a screen protector but nothing else that would impede the sensors.
I found that this issue never took place in well lit areas. but if at night sitting i a poorly lit room I would go to swipe the scree it would unlock for a second or two and then lock back up. in talking with a friend. I found that the g2 has in set so in the proximity of a pocket or something dark the screen dims back so as to not allow you to mistakenly hit ay button ( i.e. butt dial) i figured my proximity sensor near the ear piece was dirty and causing much less light then there actually was. at the time there wast a firmware update ( which I have now gotten) and was desperately seeking help.
I finally got the firmware update VS98012B and it seems to have solved the issue I ( and you) was having. I would see what version you are running now and then update to the aforementioned and see if that solves your problem.
PM me and let me know what road you decide to travel and if for some reason it doesn't help you we shall figure it out.
Blank Screen
I am having sort of the same issue. But mine is wether in a well lit room or dark room it doesn't matter.
I noticed that it usually happens when i receive a call, after the conversation when i hang up it does not go back to the home screen. all i get is a blank screen. the only way i can get it to generate the home screen again is by pulling down the status bar and going into the general settings and clicking home button again.
during this blank screen i can still see the status bar, and when i bring down the status bar i can see the nav buttons but they are unresponsive.
I also noticed this takes place sometimes after closing an app (noticed on netflix)
I am rooted on stock rom and TWRP recovery. Phone Model [LS-980 Sprint]
I immediately rooted so dont know if issue was there before root.
SOMEONE PLEASE HELP.
Bam9 said:
I actually had this same issue. my g2 is rooted, but running the stock rom. it has a screen protector but nothing else that would impede the sensors.
I found that this issue never took place in well lit areas. but if at night sitting i a poorly lit room I would go to swipe the scree it would unlock for a second or two and then lock back up. in talking with a friend. I found that the g2 has in set so in the proximity of a pocket or something dark the screen dims back so as to not allow you to mistakenly hit ay button ( i.e. butt dial) i figured my proximity sensor near the ear piece was dirty and causing much less light then there actually was. at the time there wast a firmware update ( which I have now gotten) and was desperately seeking help.
I finally got the firmware update VS98012B and it seems to have solved the issue I ( and you) was having. I would see what version you are running now and then update to the aforementioned and see if that solves your problem.
PM me and let me know what road you decide to travel and if for some reason it doesn't help you we shall figure it out.
Click to expand...
Click to collapse
I decided to open the phone and check the proximity sensor.I unplugged the proximity sensor ribbon and guess what:IT WORKS.without the functions of the proximity sensor and LED.But at least,I have the keypad and the screen on during a conversation.I have even the knock-knock function.Probably,I will use it like that until a kit-kat update will be available.Thanks for your answer.
VS980 Black Screen
I have a customer phone that I replaced the LCD and Digitizer on. The new screen works fine but...now when a SIM Card is in the phone and I dial out a thin horizontal line appears in the middle of the screen and then the screen goes black.
If I remove the SIM card and place a call, the phone gives me the standard "Emergency Calls Only" and goes back to the dial pad.
The SIM Card is not activated but it is recognized by the phone.
Has anyone else had this issue? I tried a factory restore with no luck.
madafis said:
I decided to open the phone and check the proximity sensor.I unplugged the proximity sensor ribbon and guess what:IT WORKS.without the functions of the proximity sensor and LED.But at least,I have the keypad and the screen on during a conversation.I have even the knock-knock function.Probably,I will use it like that until a kit-kat update will be available.Thanks for your answer.
Click to expand...
Click to collapse
Hi,
I have the same issue , my screen turns black when calling or receiving calls , i m not really good with my hands... so do you know other solutions to disable the proximity sensor ?
thanks
Same issue here - LG G2 screen turn off and goes blank during conversations
I have exactly the same issue - LG G2 D802 screen turn off and goes blank during conversations.
Thanks to @Bam9 and @EtherBoo , who suggested to clear the proximity sensor from the outside and squeeze the top left corner of the phone, I tried to clean it and put some stress on it - and it worked!
Another issue which I also have and is also caused by the proximity sensor is that the screen stays on and the touch buttons in the dialer aren't responsive - which means we can't switch to speaker, add a call, mute, etc... However, the main touch / navigation button (home, back and menu buttons in the bottom of the screen) are responsive, in addition to the status bar.
(This issue was already reported by @athorax here)
In both of these situations the only quick way to end a call is to pull down the status and notifications bar and hang up from there.
I have a glass screen protector (which don't block the proximity sensor), and I am rooted and using CyanogenMod 11 ROM.
I used ioroot to root and AutoRec, which comes with TWRP 2.7.0.0, to install CyanogenMod ROM.
However, going back to stock ROM (in my case, LG G2 D802, it's D80220C) won't help since the issue still exists.
What I'm sure is that it was pretty much okay in the beginning, and the situation became worse and worse - occurring randomly, until it arrived to a situation in which I can't use the phone properly during conversation.
Now that I discovered that I can put some stress on the proximity sensor it seems that I have a hardware rather than a software issue.
Bam9 said:
I actually had this same issue. my g2 is rooted, but running the stock rom. it has a screen protector but nothing else that would impede the sensors.
...
i figured my proximity sensor near the ear piece was dirty and causing much less light then there actually was. at the time there wast a firmware update ( which I have now gotten) and was desperately seeking help.
...
I finally got the firmware update VS98012B and it seems to have solved the issue I ( and you) was having.
Click to expand...
Click to collapse
So for you it was a software issue?
Is your sensor working until today with no issues?
ingoljosh said:
I am having sort of the same issue.
...
I am rooted on stock rom and TWRP recovery. Phone Model [LS-980 Sprint]
I immediately rooted so dont know if issue was there before root.
Click to expand...
Click to collapse
I'm also rooted and with TWRP.
Did it happened before you rooted?
Did you used ioroot to root andAutoRec to have TWRP?
You see, I'm really trying to find the similarities between us all in order to solve this issue...
madafis said:
I decided to open the phone and check the proximity sensor.I unplugged the proximity sensor ribbon and guess what:IT WORKS.without the functions of the proximity sensor and LED.But at least,I have the keypad and the screen on during a conversation.I have even the knock-knock function.Probably,I will use it like that until a kit-kat update will be available.
Click to expand...
Click to collapse
We already have KitKat based firmware update. For me it's D80220C.
For you it might be already D80220D. Use this link to check your version, and replace the IMEI in the end of it with your IMEI.
BobbyLG said:
...now when a SIM Card is in the phone and I dial out a thin horizontal line appears in the middle of the screen and then the screen goes black.
If I remove the SIM card and place a call, the phone gives me the standard "Emergency Calls Only" and goes back to the dial pad.
Has anyone else had this issue? I tried a factory restore with no luck.
Click to expand...
Click to collapse
When you place the call you do hear that the call is made?
If so - then you have exactly the same issue.
What is your model, what ROM are you using, and did you root your phone?
I have LG G2, unable to make call. The signal strength is fine. I have tried reinserting the sim. but i am able to receive calls. when i make a call the dialup screen come up and call ended automatically. Any Help

[Q] Wake issue during phone calls

I am unable to wake the phone during a call. As soon as I answer a call, or press the call button my screen turns off. I can not wake it with proximity sensor, double tap or power button. There is literally no way to turn on the screen once a call has started. It was random when it started. I had been using Vanir for a while and then one day it started on my phone, and never left. I have even flashed my OG nandroid stock and the issue was present there after flashing to that.
I have swapped ROMs, AOSP x4, BarRin, Stock, you name it, but to no avail. I have cleared everything off my internal, wiped the internal memory, sideloaded a ROM back from scratch and booted up plain jane... same issue.
I am attaching a link to a logcat incase anybody has any ideas. I'm simply lost with this, and it is a major issue considering every time I make a call I have to be ready to take the case off so that I have faster access to pop the back off and battery pull. This is not a way to live.
PLEASE if someone has any ideas on how/where to go about fixing this, I will be grateful.
Not sure if it matters, but after a call ends, I need to wait about 5 or secs before the power button will be recognized. After it's first press it seems to first power off the screen, as though it is awake the whole time, but black and inoperable. After the screen thinks it's off, the second press turns it back on. I have also tried other dialers too, but it totally seems like an integrated OS/Firmware issue at this point.
Are you by chance running Greenify? I was having some issues when sleeping system apps. What Xposed modules are you currently running?
No battery apps installed whatsoever. No battery saving modes enabled.
Mods- App Settings
DarkTube
GravityBox [KK]
Pandora Patcher
Youtube AdAway
Sorry a bit tired. I just noticed you stated it still happens after you nandroid back to your previous backup. Do you have a screen protector or anything on it?
Try going to Settings/Call and disable the proximity sensor and see if you have the same results
It's not the sensor though b/c it has 0 results with the double tap to wake and also the power hardware button itself. Holding the button, pressing it quickly, tap it multiple times in a row. Additionally, I do not have a screen protector.

Screen dims and then blacks out during calls

Every time I make a call, the screen dims and then blacks out in a matter of seconds. It's in an Otterbox Defender. I have tried every setting I could find and have it set to turn off display after 10 minutes but something is overriding that for this phone app.
I'm new to LG and the V30 but on my last device it detected proximity to the screen during calls so your cheek doesn't mistakenly hang up or something. I believe it uses the front side camera to detect your head there. Could that be what os going on?
Sent from my LG-H933 using Tapatalk
Mine does the same and I dont think it's to do with proximity sensor. When i make a call on speakerphone or Bluetooth with nothing near the phone, it still dims and blacks out
I agree it's likely not the proximity sensor in this case as I always have it on a desk and use it via bluetooth but thank you for that suggestion. But, in many cases, I need to enter in several series of #'s for conference lines and changing options but the screen blanks out way too fast. When I double tap it to open the screen, I sometimes accidentally hit a # and have to start over again...
diskwzrd said:
I agree it's likely not the proximity sensor in this case as I always have it on a desk and use it via bluetooth but thank you for that suggestion. But, in many cases, I need to enter in several series of #'s for conference lines and changing options but the screen blanks out way too fast. When I double tap it to open the screen, I sometimes accidentally hit a # and have to start over again...
Click to expand...
Click to collapse
Do you mean it turns pure black, or just dims? Mine dims if I'm on a call utilizing the speaker. Just touch the screen to brighten it up, then type your conference numbers.
Sent from my LG-H931 using XDA Labs
Mr CATFISH said:
Do you mean it turns pure black, or just dims? Mine dims if I'm on a call utilizing the speaker. Just touch the screen to brighten it up, then type your conference numbers.
Click to expand...
Click to collapse
I have the exact same problem with my V30. I use Bluetooth, either on a headset or in my car. After a few seconds, the screen dims, and then a few seconds later, it blacks out completely. When it dims, I can tap on it to wake it up, but the screen still responds to the tap, so if I happen to tap where the hangup button is (easy to do in a moving car), I end up hanging up on myself. Or, if I'm navigating through an automated attendant, when I tap the screen to wake it up, it invariably hits a button for a choice I didn't want, and I have to back out or start over. Very frustrating! If the screen goes completely black, then I just hit the power button to turn it back on, but once again, it'll dim out in a few seconds. I would LOVE to have a fix for this! I like this phone better than the past Samsung phones I've had, but the Samsungs don't do this.
I want to add my frustration to this issue as well. I also have a V30 and this happens all the time. My mom has a G6 and says the same as well. It is simply unacceptable. If this is an LG-specific issue and it isn't fixed (or at least given an option to change the screen time-out) then this is a deal-breaker for another LG in the future. (same goes for the glass back as well, but that's another issue...)
Eagerly awaiting a fix or workaround....
captainentropy said:
I want to add my frustration to this issue as well. I also have a V30 and this happens all the time. My mom has a G6 and says the same as well. It is simply unacceptable. If this is an LG-specific issue and it isn't fixed (or at least given an option to change the screen time-out) then this is a deal-breaker for another LG in the future. (same goes for the glass back as well, but that's another issue...)
Eagerly awaiting a fix or workaround....
Click to expand...
Click to collapse
I have the same problem on my V30+ since the oreo update. Before it was OK.
During call screen blacks out and then when I take my ear off screen it does not light up again.
I need to press the power button to have the screen displayed again during call. I wonder it this was not done on purpose in order to preserve battery
Nowever It's frustrating because I was not used to this.
Any ideas?
Thanks Anndy
Same frustration for me. I make regular use of speakerphone and it is very irritating.
Sent from my LG-H933 using Tapatalk
Anndy said:
I have the same problem on my V30+ since the oreo update. Before it was OK.
During call screen blacks out and then when I take my ear off screen it does not light up again.
I need to press the power button to have the screen displayed again during call. I wonder it this was not done on purpose in order to preserve battery
Nowever It's frustrating because I was not used to this.
Any ideas?
Thanks Anndy
Click to expand...
Click to collapse
No fixes yet that I'm aware of. The "solution" I use is to tap or double-tap on the very top of the screen where there are no buttons that will affect the call. But this is by no means an acceptable solution.
captainentropy said:
I want to add my frustration to this issue as well. I also have a V30 and this happens all the time. My mom has a G6 and says the same as well. It is simply unacceptable. If this is an LG-specific issue and it isn't fixed (or at least given an option to change the screen time-out) then this is a deal-breaker for another LG in the future. (same goes for the glass back as well, but that's another issue...)
Eagerly awaiting a fix or workaround....
Click to expand...
Click to collapse
I, too, want to add my frustration with this problem. In my case, the screen goes black immediately after touching the phone icon to connect a call. I talked to the T-Mobile people who said they never heard of this before. This has been an issue since 2012, so that was useless. This started happening with the last update. Hopefully if more people complain, a fix will happen.
Same here...
captainentropy said:
No fixes yet that I'm aware of. The "solution" I use is to tap or double-tap on the very top of the screen where there are no buttons that will affect the call. But this is by no means an acceptable solution.
Click to expand...
Click to collapse
I hope we can get a fix or an option to this soon. It really messes up calls when options are needed during the call.
I've had the exact same problem with my G6 ever since I purchased it (February 2018). It's really annoying and a problem when you are calling an automated voice system and it dims before you can make your selection and double tapping to wake can cause you to hit a wrong number selection (which happened the other day when I was refilling a prescription). Please fix this!
Happens on the V20 also with the latest update from Verizon. The only way around it is to tap in an area you think won't affect the call every few seconds. The number bar on the top seems to work. defintely need a fix for this. Really annoying
Mad Medik said:
I'm new to LG and the V30 but on my last device it detected proximity to the screen during calls so your cheek doesn't mistakenly hang up or something. I believe it uses the front side camera to detect your head there. Could that be what os going on?
Click to expand...
Click to collapse
Me too! The solution? NONE, NONE, and NONE.
I called T-Mobile today about this very problem after my frustration hit the roof. I complained it's impossible to hold business conference calls on my phone because the dialpad screen dims in exactly 5 seconds. I need it fully lit so I can mute/unmute at-will for clear-sounding and respectful meetings. Yet, as every smartphone user knows, computer screens are no match against sunlight. I inevitably fumble my way around the dialpad on a bright day.
I did every configuration possible to mitigate the problem: Screen Timeout (none), Auto Brightness (off), Brightness (100%), Battery Saver (off). Nothing stopped the dialpad from dimming like usual. However, to my own surprise, all other apps respected my settings during a call. So is the LG phone/dialpad app itself ignoring my system settings? Yes. Yes it is. My theory was soon confirmed....
T-Mobile offered to do a 3-way call with an LG representative. The conclusion? I was told flat out it's a "feature of all LG phones", it's the "default", and there is "no way to change it". SERIOUSLY, LG?!?!? Shame on you, LG!!!! I didn't say that to the LG rep, but, I did tell her I will be "forced stay away from future LG phones" if there really was no solution for this and every other phone LG makes. She offered her scripted apology to me several times but, alas, there was nothing she could do.
PS: This is so, so, so disappointing. They could have kept their default but provided a system option to enable the app's FLAG_KEEP_SCREEN_ON. They could have taken my customer compliant seriously. So, for anyone reading this, if you want to do any active use of the dialpad during a call, stay away from LG phones.
pbenedictxda said:
Me too! The solution? NONE, NONE, and NONE.
I called T-Mobile today about this very problem after my frustration hit the roof. I complained it's impossible to hold business conference calls on my phone because the dialpad screen dims in exactly 5 seconds. I need it fully lit so I can mute/unmute at-will for clear-sounding and respectful meetings. Yet, as every smartphone user knows, computer screens are no match against sunlight. I inevitably fumble my way around the dialpad on a bright day.
I did every configuration possible to mitigate the problem: Screen Timeout (none), Auto Brightness (off), Brightness (100%), Battery Saver (off). Nothing stopped the dialpad from dimming like usual. However, to my own surprise, all other apps respected my settings during a call. So is the LG phone/dialpad app itself ignoring my system settings? Yes. Yes it is. My theory was soon confirmed....
T-Mobile offered to do a 3-way call with an LG representative. The conclusion? I was told flat out it's a "feature of all LG phones", it's the "default", and there is "no way to change it". SERIOUSLY, LG?!?!? Shame on you, LG!!!! I didn't say that to the LG rep, but, I did tell her I will be "forced stay away from future LG phones" if there really was no solution for this and every other phone LG makes. She offered her scripted apology to me several times but, alas, there was nothing she could do.
PS: This is so, so, so disappointing. They could have kept their default but provided a system option to enable the app's FLAG_KEEP_SCREEN_ON. They could have taken my customer compliant seriously. So, for anyone reading this, if you want to do any active use of the dialpad during a call, stay away from LG phones.
Click to expand...
Click to collapse
Root, use Google dialer? Does it dim also? I have it installed, I'll check tomorrow morning.
Google dialer "Phone" app doesn't help...nope!
I gave a workaround in an identical thread somewhere else in this forum. Use Waze navigation app during phone calls. The screen won't dim. Drag the phone call thingy over to the Waze screen.
Found it:
ChazzMatt said:
When I have Waze navigation on, my screen doesn't dim. When I make a phone call, I go back to Waze map screen. I can drag the phone call thingy wherever I want. If I need to mute, unmute I just click that to go back to call dialer interface for a few seconds. Then I go back to Waze screen to keep display on.
Yes, it's a wonky workaround, but it works. When I use this while driving, I make sure my phone is plugged in for charging -- because the display will stay on for the entire duration of the phone call.
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My LG G8X does the same thing, goes dim after a few seconds, then blacks out completely. In the day & age of "press 1 for this, press 2 for that" it really should allow for more time before the phone becomes disfunctionable...
New auto update on LG phone times out too fast
My LG phone auto updated to a 3 sec. screen blackout and can't be changed in any settings menu. The solution is to install the "Keep Screen On Free" app which completely solved the problem and lets you change the time out settings too.

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