proximity issue on stock rom gs4? - Galaxy S 4 Q&A, Help & Troubleshooting

Recently, my phone has been having a problem with the proximity sensor during calls. When I finish a call, or want to look at my screen, the screen does not turn on by itself so I need to press the home button for the screen to light up. This is very annoying! I even turned off the option "Turn screen off during calls" (which is supposed to leave my screen lit up all the time) and the screen still goes black.
is it a software issue or hardware?
additional info : it works when i use my fone in a room {proximity ADC 43(43,43,43) } or building, but doesn't work while using outside {proximity ADC 51(51,51,51) }.

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Proximity sensor - doesn't seem to be working

I there any settings or something to adjust proximity sensor? I was trying to turn off screen covering sensor with thumb, but.. no effect.
Does it need any setting or my phone is faulty?
I noticed the same thing on my phone today.
The proximity sensor doesn't work if you've switched off the Automatically adjust backlight option in Settings>Sound & Display>Backlight. There doesn't seem to be any way around this as the proximity sensor doesn't have its own option.
Are you in a call? You need to be calling/receiving a call for it to work.
I agree, I think you need to be in a call for the proximity sensor to work properly.
For me it works fine. And i don´t hade automatic backlight on.
aldabal said:
For me it works fine. And i don´t hade automatic backlight on.
Click to expand...
Click to collapse
That's interesting because I can toggle my proximity sensor (whilst in a call) by toggling the automatic backlight. That option must be linked to something else as well.
Screen goes black
I do have the same behavior, when I make a call the phone's screen goes black automatically so if I need to press any key have to press send to get my screen back, then use the keypad, nonsense, is anyone having the same issue ?
for me, the proximity sensor doesn't work at all. I have the automatic backlight setting and yet it still doesn't work. any idea why?
SP300
I just found the solution, I have got the screen protector on "The Original HTC SP300" and is causing the screen to go blank when you do a phone call, If a remove it a little bit from the top left corner and make a call works as spec.

Proximity problem

Hello,
I have bought myself a diamond touch 2, and i directly flashed it to Dutty's R6 rom because i like it much better and i made up my mind about it even before i bought it.
Now i seem to have a problem, and i don't know what would be the problem; either the device or the rom?
Proximity doesn't work; setting automatic backlight dimms the screen to a low-light level. Holding a flashlight above it doesn't make any difference.
Also, when making a call, the display keeps being illuminated the whole time, no matter if i hold it to my ear or not.
Does someone recognize this problem?
Cheerz
Exca said:
Hello,
I have bought myself a diamond touch 2, and i directly flashed it to Dutty's R6 rom because i like it much better and i made up my mind about it even before i bought it.
Now i seem to have a problem, and i don't know what would be the problem; either the device or the rom?
Proximity doesn't work; setting automatic backlight dimms the screen to a low-light level. Holding a flashlight above it doesn't make any difference.
Also, when making a call, the display keeps being illuminated the whole time, no matter if i hold it to my ear or not.
Does someone recognize this problem?
Cheerz
Click to expand...
Click to collapse
Settings\System\Power\Backlight\ Turn off Auto adjust.
If i turn off auto adjust i can indeed set full brightness, but that's not the point. I want the auto-dimming and proximity sensor to work, so when i hold the piece next to my ear it locks and turns off the screen...
If I turn on auto-adjust, it doesn't respond on any lightchange or action; it just dimms the screen to about 40% and keeps it there.. either a bug or a hardware fault with my unit?
Not sure that it ever worked perfect out of the box.
Have you tried tweaking the settings with TD2 Tools?
How do you mean tools? As far as i know i can only find one box to turn auto adjust on.. you have the same configuration, does it work for you?
EDIT: I installed the app "LumosWizard". Now the phone's backlight adjusts depending on the light the sensor receives. The sensor works well as the values go up when putting a flashlight on it.
However, i wonder why this doesn't work with just auto-adjust on, that's what the HTC Auto-Backlight should do right? Also, with this app, the backlight doesn't go out when no light is reveived (auto-lock when putting into pants, or turned off backlight when calling...) ?
This is what i'm looking for: http://www.youtube.com/watch?v=6xakUmz1zwc
=> i don't think this is achieved by an additional application, but is just standard HTC service doing this because of putting on the auto-adjust...
There is NO proximity sensor on Touch DIAMOND II. Only light sensor. Use Touch_InCall_Screen_Tweak instead. This program use G-sensor and block the screen when your phone is in vertical position.
m72m72 said:
There is NO proximity sensor on Touch DIAMOND II. Only light sensor. Use Touch_InCall_Screen_Tweak instead. This program use G-sensor and block the screen when your phone is in vertical position.
Click to expand...
Click to collapse
Thanks, installed and works good!
Still wondering though why i need a 3rd app like LumosWizard to make the lightsensor work, as htc's autoadjust apparently doesn't
I did find this .cab called Glight and it works great on my TD2
More about it here:
http://www.ageye.de/index.php?s=glight/about

Screen flashes while on call

Whenever I talk to someone on my galaxy s fascinate the screen flashes to a black screen then back to normal, does it like every 5seconds.
only happens when on a call am i doing something wrong? if i turn speaker phone on it doesnt do this.
Are you covering up the proximity sensor? This sensor tried to blank the screen while in a call so you don't press buttons.

[Q] proximity sensor problem

Hi everybody.
I have problem with proximity sensor. When I make a call, the screen immediately goes black, and the device no longer responds to any button (not even the power button on top). The any way to get the screen back to life is by removing and reinserting the battery.
Is there any solution to the screen not goes black during call??
I’m using cyanogenmod on HD2.
hold the phone's light sensor under a bright light. It is a pain, but the only thing that works for me.

TWEAK/TIP - Prevent accidental unlocks

One of the big issues I have found, mainly with CM based ROMS, is that the option to prevent accidental unlocking seems to be missing/unavailable.
I've been testing various apps and utilities that monitor the proximity sensor, but there is one big issue - they monitor for screen on, but it seems in CM12.1 that the monitoring app doesn't work or get a screen on signal when you're using a lockscreen.
So the solution is not to check for screen on, but check for screen unlock.
I have a TASKER profile set up as follows:
If screen unlocked and proximity sensor on, then turn the screen off.
Works really simply. cover the proximity sensor with a bit of cloth or something and test it - if you double-tap the screen on, or it wakes due to a notification, the screen still goes on. But any subsequent action, eg slide to unlock or click on a notification, triggers the screen unlock flag, and this then checks to see if the proximity sensor is covered, and if it does, it turns the screen off again.
I CAN POST SCREENSHOTS IF ANYONE WANTS FURTHER INFO - BUT I'D SUGGEST GIVING TASKER A GO AND A PLAY ANYWAY, IT'S A BRILLIANT APP.

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