Sometimes after some time I'm not using the phone knock on doesn't work. Today I noticed it didn't work whole time when on charger. I wake it up with back button and it worked normally. Then I put it on charger again and same thing happened. Is this normal or a problem ?
I'm running stock v20h.
Same problem here... Any solution? Anyone else has noted this?
In my case the problem was that the desk was over the phone so proximity sensor was turned on and didn't allow me to use knock on. It is probably made like this so it won't unlock by itself in pocket.
See if that is the problem. You can cover proximity sensor with your finger and try to use knock on to unlock.
johncagetown said:
In my case the problem was that the desk was over the phone so proximity sensor was turned on and didn't allow me to use knock on. It is probably made like this so it won't unlock by itself in pocket.
See if that is the problem. You can cover proximity sensor with your finger and try to use knock on to unlock.
Click to expand...
Click to collapse
No way... iti's still not working. While charging (plugged to the wall) I have to "wake it up" with the back button, nad then unlock with the knock-on code.
That wasn't my case. I can only advice you to backup your data and do a hard reset. If that doesn't help take it to the shop.
johncagetown said:
That wasn't my case. I can only advice you to backup your data and do a hard reset. If that doesn't help take it to the shop.
Click to expand...
Click to collapse
Finally, I realized that the problem occurs only while using a charger with less amperage than the original one.
Related
Am i the only one who is having this issue? My phone wakes up while in the case due to the magnet. At first i thought that the sleep and awake button was getting hit when i pit it in the case, but even sitting the phone on top of the case still does it. Is there anyway to turn this feature off?
i am new to windows mobile so thanks in advance.
leewongfei said:
Am i the only one who is having this issue? My screen turns itself on when its in the case. At first i thought that the sleep and awake button was getting hit when i pit it in the case, but even sitting the phone on top of the case still does it. Is there anyway to turn this feature off?
Click to expand...
Click to collapse
Apparently magnets in the case can turn the phone on, mine sometimes turns on but it seems only to do this if the magnet is passed over the bottom part of the screen where the hardware buttons are.
I haven't seen anyone coming up with a fix, I suppose it really depends if this is a feature or an accidental thing
raynerda said:
Apparently magnets in the case can turn the phone on, mine sometimes turns on but it seems only to do this if the magnet is passed over the bottom part of the screen where the hardware buttons are.
I haven't seen anyone coming up with a fix, I suppose it really depends if this is a feature or an accidental thing
Click to expand...
Click to collapse
Apache was the same way... I believe it actually uses a magnetic switch to detect when it's slid open. I discovered that I could use a magnet (the one in my case, no less) to rotate the screen.
Yeah, it's a pain.
I found this in the archive but i am not sure how to edit a registry (if im reading it correctly). Is anyone a bit more savvy than me thats willing to try what is discussed on this post?
http://forum.xda-developers.com/archive/index.php/t-453771.html
The above post is the reg edit that I use every time I flash. Fixes the problem perfectly.
Mine was already 0
So that must not be the problem for mine
???
Hey guys,
I was talking with a guy from my bank the other day, and the guy was mumbling something which I couldn't hear, and after asking him what did he say, he said I was pressing some keys on the phone which was a bit annoying..
but in reality I was just holding the phone to my ear and my cheek was dialing.. too embarassing.. :/
I know theres this proximity sensor on the Samsung Galaxy S, but I dont know when it is used exactly.. So if it isnt used specifically in situations like this (during call) then I think there must be a mod...
Can a Mod be built such that when the phone is held against the ear during the call, the phone gets locked, the keypad gets tucked in and display brightness gets dimmed and when its moved away from ear it gets unlocked by itself (even if there's a pattern lock), the keypad comes back on the screen and display brightness goes back to normal?
is this cool or stupid? you decide...
The proximity sensor works like this. When you cover the sensor, usually with your ear or side of your head while talking, it turns off the screen. Maybe yours is faulty? Mine is working very well, a lot better than on my previous device.
Are you female? Or do you have long hair?
My moto milestone too had that issue with long hair. It was a bad proximity sensor.
I have not had any such issues with my galaxy. : touch wood :
Sent from my Samsung Galaxy Beast using XDA app.
aditya_t90 said:
Are you female? Or do you have long hair?
My moto milestone too had that issue with long hair. It was a bad proximity sensor.
I have not had any such issues with my galaxy. : touch wood :
Sent from my Samsung Galaxy Beast using XDA app.
Click to expand...
Click to collapse
I have long hair I have the same problem... Is there a way to hold the screen ? While on the phone? Because i didnt find one..
omzart said:
I have long hair I have the same problem... Is there a way to hold the screen ? While on the phone? Because i didnt find one..
Click to expand...
Click to collapse
You can NEVER HOLD A PHONE WRONG(well unless that phone is an apple)
Try asking someone else who has long hair to make calls and see if the sensor works or not.
Then do the same thing with someone that has short hair, i.e. no hair over the ears.
If your tests are inconclusive, download the sensor test from the market and see what happens when it is placed near your palm first.
If it works as it is supposed to then next try your ear and face...tuck you hair in once. If it still works then try it without tucking your hair.
I really hope samsung did not use those defective moto sensors.
tl;dr version download sensor test from the market and ask a bunch of people to check the sensor.(You will see everything on the screen. You dont need to make half a dozen calls)
Get back and we will see what happens next
All the best
aditya_t90 said:
You can NEVER HOLD A PHONE WRONG(well unless that phone is an apple)
Try asking someone else who has long hair to make calls and see if the sensor works or not.
Then do the same thing with someone that has short hair, i.e. no hair over the ears.
If your tests are inconclusive, download the sensor test from the market and see what happens when it is placed near your palm first.
If it works as it is supposed to then next try your ear and face...tuck you hair in once. If it still works then try it without tucking your hair.
I really hope samsung did not use those defective moto sensors.
tl;dr version download sensor test from the market and ask a bunch of people to check the sensor.(You will see everything on the screen. You dont need to make half a dozen calls)
Get back and we will see what happens next
All the best
Click to expand...
Click to collapse
I meant an hold button http://www.dvhardware.net/reviews/freecombeatman/4.jpg
sorry ^^
Haha
Try pushing the screen lock button during the call.
Sent from my Samsung Galaxy Beast I9000 using XDA app.
aditya_t90 said:
Are you female? Or do you have long hair?
Click to expand...
Click to collapse
LOL NO! I'm a guy.
I have tested the proximity sensor, and I started observing when I made a call.
the screen locks when I hold it to my ear and unlocks it when I move it away.
guess I didn't enable pattern lock earlier..
problem solved
Good day,
It seems this issue has been discussed widely and regularly but I couldn't find a solution that works and I hope you can assist.
My -rooted/Redux- Desire's screen goes off when calls are made regardless of whether it is close to face or not, in addition it doesn't come back on until the call is ended -or battery is replaced- and obviously this can only be done by the other party as my screen stays blank and unresponsive..
Any thought or help would be greatly appreciated..
Regards.
Do you use any kind of sticker or a case which is near to the sensor ?
I had similar experiance with a sticker before. for 6 months it didn't cause any problem but after 6 months it caused some with problems with light and proximity sensor.
Harnec said:
Do you use any kind of sticker or a case which is near to the sensor ?
I had similar experiance with a sticker before. for 6 months it didn't cause any problem but after 6 months it caused some with problems with light and proximity sensor.
Click to expand...
Click to collapse
Hi,
No, nothing at all.
Thanks.
I had this problem so i flashed a different ROM and it stopped doing it, sorry im not very technical but it worked for me, try it
AntAust1513 said:
I had this problem so i flashed a different ROM and it stopped doing it, sorry im not very technical but it worked for me, try it
Click to expand...
Click to collapse
Ant,
Thanks but this is my third ROM, didn't help, any other thoughts?
Sent from my Desire HD using XDA App
Maybe the proximity sensor is knackered. Could be your phone that needs repairing. On the other hand you should be able to turn the sensor off if its getting too annoying by going into settings calls or display can't remember precisely buy there should be an option there to turn it off. Hope it helps.
Sent from my HTC Desire using XDA App
gmehtctilt said:
any other thoughts?
Click to expand...
Click to collapse
There might actually be a dust particle under your digitizer, which caused the proximity sensor to malfunction
That's what my Desire has for a few months now.. Drived me crazy, until I started using CM7 which allows me to switch the screen on by pressing the power button during calls. But sometimes it still doesn't respond. Plugging in a powered USB cable is another solution then.
Anyhow, check if your proximity sensor is working by using Z-DeviceTest for example. If the sensor is indeed not working properly, there might be some dust on the sensor. Take off your backplate and blow around the power button area. Worked on my phone the first few times it occurred..
Hope this helps!
I love Knock on feature but after 4 days of active phone use I find it rather annoying!
I usually carry a phone either in a back pocket of my jeans or in a shirt's pocket.
So every time there is a little pressure on the screen it turns it self on and weird/random things start to happen to home screen.
I don't use password or swipe protection, so when I wake up the phone it immediately goes to a home screen.
The knock on sensor seems a bit underdeveloped. It needs to be less sensitive to non-finger pressure.
Basically after 4 days I gave up and disabled it.
jodvova said:
I love Knock on feature but after 4 days of active phone use I find it rather annoying!
I usually carry a phone either in a back pocket of my jeans or in a shirt's pocket.
So every time there is a little pressure on the screen it turns it self on and weird/random things start to happen to home screen.
I don't use password or swipe protection, so when I wake up the phone it immediately goes to a home screen.
The knock on sensor seems a bit underdeveloped. It needs to be less sensitive to non-finger pressure.
Basically after 4 days I gave up and disabled it.
Click to expand...
Click to collapse
I have the same problem, I disable Knock on unwillingly...
The quickcircle case prevents this issue (and looks pretty snazzy, too).
I suffer from this prolem too. The weird thing is, the first 3 Days with the phone, this problem was no problem...I don't know why, but since yesterday, it appears frequently...Maybe I wear other trousers? I don't know. The sensor on the front should prevent the phone from waking up while in the pocket, you can test iot working by cover the front sensors and then "knock on"...it won't work. That is exactly what should happen inside the pocket, but however, it does not work properly for me!
Just curious. How did you know the phone was on because of the knock on and not because the power button was accidentally depressed?
Seifer1975 said:
Just curious. How did you know the phone was on because of the knock on and not because the power button was accidentally depressed?
Click to expand...
Click to collapse
Because I turn off knock on and now it's fine
Hmm, I carry my phone in my jeans pocket all the time, and this is not a problem to me. Knock on never seems to trigger when I don't want to.
I have had no false starts from using knock on at all, I even tested with lots of different materials to see if it would work.
If it is causing you such problems why don't you use a knock code?
Protagoras said:
Hmm, I carry my phone in my jeans pocket all the time, and this is not a problem to me. Knock on never seems to trigger when I don't want to.
Click to expand...
Click to collapse
Lennyuk said:
I have had no false starts from using knock on at all, I even tested with lots of different materials to see if it would work.
If it is causing you such problems why don't you use a knock code?
Click to expand...
Click to collapse
Just like these two guys, I have no issues with knock-on - if anything when I take it out of my pocket I have to triple tap sometimes to get it working.
radicalisto said:
Just like these two guys, I have no issues with knock-on - if anything when I take it out of my pocket I have to triple tap sometimes to get it working.
Click to expand...
Click to collapse
Same here with the triple tap
Put the phone in the pocket with the screen facing outward as a temporary solution until LG fix this issue..
atsfrnd said:
Put the phone in the pocket with the screen facing outward as a temporary solution until LG fix this issue..
Click to expand...
Click to collapse
With the huge risk that you lean on something and crack the screen? No thanks (not that I am having this issue anyway )
How do you turn it of?
kirikou008 said:
Because I turn off knock on and now it's fine
Click to expand...
Click to collapse
Could anyone tell me how to turn it of please - I have tried a hundred things ...
Lennyuk said:
With the huge risk that you lean on something and crack the screen? No thanks (not that I am having this issue anyway )
Click to expand...
Click to collapse
It is a very risky workaround and i'm aware of that
but the thing is, even with any type of security the screen will turn on once it gets inside the pocket and it wouldnt turn off..
so theres definitely something wrong with the proximity sensor..
anyway i solved my problem by using the QC case.. and apart from this issue it's a great case overall
this happens to me too, but only with loose pockets. when i'm wearing my office attire, theres no issue. But when i'm in shorts during the weekend, it turns on by itself and it gets quite annoying. sometimes it'll open apps and start typing gibberish.
mlauesen said:
Could anyone tell me how to turn it of please - I have tried a hundred things ...
Click to expand...
Click to collapse
Dial 3845*#855# then scroll down and you will see a menu to disable it.
Substitute 855 with your model number if you have a different one.
jodvova said:
Dial 3845*#855# then scroll down and you will see a menu to disable it.
Substitute 855 with your model number if you have a different one.
Click to expand...
Click to collapse
It comes back saying wrong MMI
My model name is LG-D855
Dial 3845#*855# not 3845*#855#
zi0m3k said:
Dial 3845#*855# not 3845*#855#
Click to expand...
Click to collapse
Perfect , thanks a million - you made my day
Protagoras said:
Hmm, I carry my phone in my jeans pocket all the time, and this is not a problem to me. Knock on never seems to trigger when I don't want to.
Click to expand...
Click to collapse
Lennyuk said:
I have had no false starts from using knock on at all, I even tested with lots of different materials to see if it would work.
If it is causing you such problems why don't you use a knock code?
Click to expand...
Click to collapse
Same! Never had a problem with knock-on on my G2 either!
Hi, everyone. So I have an LG G4 for more than a year now and I am very pleased with its performance. I did have an issue with sometimes the audio is stuck after a call but I think it more has to do with bad reception as I noticed so its rare this days. However, lately something happened with the knock on feature which I cannot figure out at all. Sometimes it just doesn't work. I tap and nothing happens. The power on button is working perfectly but the knock on is unresponsive. I fiddled with the proximity sensor but it's not it. Sometimes it just stops working for 5-6 times and then it works and the again it doesn't. There is no pattern. When it's powering on the feature works with no hiccups but after that it's like the cpu forgets to monitor the process. I don't know. I have tried calibration and it works with no problem for a few minutes and then it goes back again to this stutter. Does anyone have any ideas about this? I am thinking factory reset but the hassle would be pointless if the problem persists and I am in no mood to install all those apps I have from the beginning for no reason. Any hep will be really appreciated. Thanks in advance.
I am experiencing the same issue but mine Knock on is a bit delaying.. for an example, I double tap on the screen and it gives response in 3-4 mins or not... I am suspecting from screen protector which has been mounted for almost a year, it could be corrupted(scratch) Give a try on removing the screen protector(if you have any)
It's a hardware problem. Many threads online about it
Sent from my LG-H811 using Tapatalk
Nailen said:
Hi, everyone. So I have an LG G4 for more than a year now and I am very pleased with its performance. I did have an issue with sometimes the audio is stuck after a call but I think it more has to do with bad reception as I noticed so its rare this days. However, lately something happened with the knock on feature which I cannot figure out at all. Sometimes it just doesn't work. I tap and nothing happens. The power on button is working perfectly but the knock on is unresponsive. I fiddled with the proximity sensor but it's not it. Sometimes it just stops working for 5-6 times and then it works and the again it doesn't. There is no pattern. When it's powering on the feature works with no hiccups but after that it's like the cpu forgets to monitor the process. I don't know. I have tried calibration and it works with no problem for a few minutes and then it goes back again to this stutter. Does anyone have any ideas about this? I am thinking factory reset but the hassle would be pointless if the problem persists and I am in no mood to install all those apps I have from the beginning for no reason. Any hep will be really appreciated. Thanks in advance.
Click to expand...
Click to collapse
Is your case or temp glass protect over prox sensor. That can affect it bad. Also scratches on glass over prox sensor. If not. Then more than likely hardware related.
No the screen protector does not cover the prox sensor. It's cut out as it should be. I am starting to think it's a hardware problem. The thing is why now?!
Nailen said:
No the screen protector does not cover the prox sensor. It's cut out as it should be. I am starting to think it's a hardware problem. The thing is why now?!
Click to expand...
Click to collapse
They are mostly sensors just like on a car. Sometimes it's just there time. Electrical components fail all the time. Are u rooted. Modified anything recently?
TheMadScientist420 said:
They are mostly sensors just like on a car. Sometimes it's just there time. Electrical components fail all the time. Are u rooted. Modified anything recently?
Click to expand...
Click to collapse
No. I haven't touched it at all yet. I am pretty satisfied with the performance so I left it alone. The only thing worth mentioning is that I overheated taking a lot of pictures during an event. Maybe this did a number on it!
I have been discussing the issue with a technican today. It is a hardware issue, you cannot fix it. Apparently, the proximity sensor dies after ~2 years - at least somewhat. Why somewhat?
Check this out: You can check the status of your sensor using MINIOS, type *#546368#*815# (n.b. - swap 815 for your model number).
Now click device test - MT - ok - Individual Item - Sensor test - WAIT!
The proximity sensor will run a test and likely come up with a figure between 60~90. The actual value should be 220+.
Meaning: Your phone thinks it´s ~6-9 cm away from your face, that is not enough to trigger knock-on but it´s far enough to be triggered using the backside button.
My knock on doesn't work, but knock off does. Not a major issue, just annoying!