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Hi all! Im in love with this community from day 1
its my 1st thread though seeking for help/advice/your superior knowledge
Thing is that i want to mount my phone in my car using a small magnet attached somewhere at the dashboard and stick my HD2s back cover which is metallic...
my question is: is it possible because of the nature of the magnet to cause problems in the phones operation?? like radio interference or something like this?
looking forward to your answers
i think a magnet may interfere with the touch screen. not positive on this but am sure i`v read somewhere about tiny magnets being in the tip of some capacitive screen stylus`s. a stronger magnet to hold a hd2 would surely result in some type of touch screen interference. but like i said am not a 100% certain.
**** turpin said:
i think a magnet may interfere with the touch screen. not positive on this but am sure i`v read somewhere about tiny magnets being in the tip of some capacitive screen stylus`s. a stronger magnet to hold a hd2 would surely result in some type of touch screen interference. but like i said am not a 100% certain.
Click to expand...
Click to collapse
magnetism will not affect a capacitive touch screen. It will however mess about with the compass!
A capacitive Touchscreen works like a capacitor, whichs field is "spread" over the surface of the screen. By tapping you will change the the resistance of the oscilating resonant circuit, which has a specific resistance (which is related to the dielectric medium, which is changed by your finger)
With this, the phone is able to locate your finger in X + Y axis to find out where you have tapped.
ardsar said:
magnetism will not affect a capacitive touch screen. It will however mess about with the compass!
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Click to collapse
Yes, obviously it will but thats the least of my worries as it wont be permanently attached to the magnet and the times it will, i wont be needing the compass app.
so if thats the only problem i think im gonna give a try to this project...
A capacitive Touchscreen works like a capacitor, whichs field is "spread" over the surface of the screen. By tapping you will change the the resistance of the oscilating resonant circuit, which has a specific resistance (which is related to the dielectric medium, which is changed by your finger)
With this, the phone is able to locate your finger in X + Y axis to find out where you have tapped.
Click to expand...
Click to collapse
Does this mean that a magnet at the back could interfere with the circuit of the screen? and if yes i guess is temporary right?
waiting for more thoughts/input on the subject
Maeffjus said:
A capacitive Touchscreen works like a capacitor, whichs field is "spread" over the surface of the screen. By tapping you will change the the resistance of the oscilating resonant circuit, which has a specific resistance (which is related to the dielectric medium, which is changed by your finger)
With this, the phone is able to locate your finger in X + Y axis to find out where you have tapped.
Click to expand...
Click to collapse
WOW!!!! your talents are wasted on here my friend!! lol
**** turpin said:
WOW!!!! your talents are wasted on here my friend!! lol
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Click to collapse
this is school knowledge...
after some trial and error i found out that the back cover of HD2 although it looks metallic apparently its not coz it can't be attached to a magnet...
That would only mean that it is not made of an iron compound
Benz-Driver said:
this is school knowledge...
Click to expand...
Click to collapse
not in my school my friend lol must say it wasnt the nicest, the teachers had a torrid time! lol i DO know how to use a bunsun burner, is that any help? lmao. Happy Christmas bud.
magnet
I think it is made from stailess steel.magnets do not work on S/S.
ardsar said:
magnetism will not affect a capacitive touch screen. It will however mess about with the compass!
Click to expand...
Click to collapse
Is that true? I know old compasses relied on a magnetised needle to work, but I thought the compass in the HD2 got it's direction from the GPS and the accelerator software??? How would a magnet affect these?
Armes said:
Is that true? I know old compasses relied on a magnetised needle to work, but I thought the compass in the HD2 got it's direction from the GPS and the accelerator software??? How would a magnet affect these?
Click to expand...
Click to collapse
no it's a dedicated compass hardware
Actually, even my notebook apparently hurts it! Looses calibration
yes several times when i opened the compass application arround various interferences it asked me to move it in the usual 8-like movement to calibrate itself..
what about the rest of the phone and memory and SD card wouldnt it affect the storage ? i clecned out my speakerphone with a very small magnet yesterday to get all the lil pieces stuck on it.
and after that my phone(touch pro2) completely froze up and kept freezing up after first input untill i did a hard reset.
**** turpin said:
i think a magnet may interfere with the touch screen. not positive on this but am sure i`v read somewhere about tiny magnets being in the tip of some capacitive screen stylus`s. a stronger magnet to hold a hd2 would surely result in some type of touch screen interference. but like i said am not a 100% certain.
Click to expand...
Click to collapse
i did another little test with a small round magnet around 2cm diameter. i moved it around the back of the phone while looking at the screen and i didnt notice any interference to the screen, at least to my eyes it looked like the magnet did not interfere with the phone at all.
However i moved the magnet to the screen and tried to touch the screen gently with the edge of the magnet and the screen responded immediately and it looked very precise too! i did several presses to the screen with the magnet and in all of them the screen responded exactly as it should, just like it should with the press of a finger, i even wrote some letters as text and it worked great. so i guess thats how they make capacitive stylus..
next time im gonna try to draw on notes application and see how precise it is on that.. (as long as i find a smaller magnet that i can handle better than this one)
i might try to make my own capacitive stylus....
why not....
I have attatched a magnet to the back of my HD2 so i can use my vent mount, i havent noticed any adverse effects.
The problem is that the screen will stay off during calls. That means I can't hang up...
The only way to get the screen on is bright light against the sensor.
Is there any way to calibrate the sensor?
I don't think so. But as you say, it's a proximity sensor, so it should measure a distance and not need light to wake the screen. And as far as I know, the light sensor isn't used in calls.
But you could use the key under the screen to hang up
Yes, that's pretty weird actually, but that's how it is...
But no, I can't hang up since there are no hard buttons. Only the touch-sensetive ones, and they don't work when the phone thinks it's at someones ear.
Screen protector and proximity sensor
I have installed on my HD Mini a very good quality screen protector. During phone call my screen became black like my ear is on the phone, but my phone is on the desk ! If I remove the screen protector the proximity sensor come back to work correctly. Any idea how to set-up or adjust proximity sensor sensitivity ?
Me too!
I have this problem too!
Your phones have a screen which is made of really good strong glass. Using a screen protector is useless. I have had a Hero (also a capacitive touchscreen phone) for 6 months and, while I do keep it in a holster, I have rubbed it on my shirt, dropped it and used my finger on it all day long. It still is spotless. Stop wasting money on protectors and just use the phone. And having a protector is bound to screw up the proximity sensor.
As far as it not recognizing that the phone is not against your ear.... that is a matter for the service department to solve since it seems like a hardware fault.
Really strange! I've a screen protector but don't have this problem... the sensor works fine!!!
bellor
It's made out of plastic, really easy to make scratch. And it's very fingerprint attractive. So glossy filter is really good solution.
BeemerZ1
Same problem, proximity sensor work really weird.
Hi guys, I have the same problem on my HTC HD Mini, when you make a call the screen goes black and will not allow to end call. I have to take battery out to make it work again. I was looking at the registry tweaks for HTC HD2 (leo) and am wondering if those tweaks will work on my mini.
Please, if anyone has a solution, put it on here, have even tried replacing the glass to resolve but not working still.
Same problem. I tried an experiment... when i'm in a light room, works. when i'm in a dark room doesn't work. Really stupid... without light doesn't work!!
If you would, try to put the mini under light when is in calling...
In fact, that's quite normal. If you're calling in a dark room, how do you expect that your phone can "see" the difference between the darkness of your ears and the darkness of the room?
Are you using a screen protector?
I used to have the same issue. But once I remove the screen protector the screen turns back on straight after a phone call.
I believe that the proximity sensor is confused and is affected by having an object pasted over it.
so if someone could experiment with just removing he corner of the screen protector to avoid the sensor, you will not have a issue.
I am using the mini with a screen protector and it has been fine in my pocket...but I am not saying you should try!
My 2 cents!
S-ed said:
bellor
It's made out of plastic, really easy to make scratch. And it's very fingerprint attractive. So glossy filter is really good solution.
Click to expand...
Click to collapse
its made of carbonized whatever mixture just like any other capacitive screen and no theres no way to scratch that thing, iam wearing it in a pocket together with my keys since i bought it and theres no single scratch there, yet the fingerprint thing is very annoying indeed but thats because the material of the screen is very very close to glass.
fongyiktze said:
I used to have the same issue. But once I remove the screen protector the screen turns back on straight after a phone call.
I believe that the proximity sensor is confused and is affected by having an object pasted over it.
so if someone could experiment with just removing he corner of the screen protector to avoid the sensor, you will not have a issue.
I am using the mini with a screen protector and it has been fine in my pocket...but I am not saying you should try!
My 2 cents!
Click to expand...
Click to collapse
The lcd and digitiser have been replaced and there is no screen protector on the device. I purchased the lcd and digitiser as a complete unit so as not to have any issues.
The seller reassures me that the product was brand new and had been fully tested. I no longer have the old pieces to test against but this problem seems quite common from the threads on here and gsm forum.
Any solutions or ideas for resolution greatly appreciated, near to pulling all my hair out!!!!!!!!
I have screen protector and I do not have any problem with sensor. Everything works great..
i have the same problem as you.. when i am in a call i cant end it because my screen is black all the time.the only solution i found is when i call i turn the speaker on.please help us
p.s where on the screen is the proximity sensor??
spithash said:
i have the same problem as you.. when i am in a call i cant end it because my screen is black all the time.the only solution i found is when i call i turn the speaker on.please help us
p.s where on the screen is the proximity sensor??
Click to expand...
Click to collapse
up on right side
_Madmatt said:
In fact, that's quite normal. If you're calling in a dark room, how do you expect that your phone can "see" the difference between the darkness of your ears and the darkness of the room?
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Click to collapse
Yes I know... I meant that only works in bright light conditions, such as directly under a lamp or sunlight. in a room or just the shade does not work. So it's "only"a matter of adjusting the sensitivity of the light sensor. I do not even understand how it can be made this "proximity sensor", all I know is that it works with light. Rather, there is a program like the shake'n wake can use?
I have this annoying problem, too.
But I have to say: I have NO screen protectror, and: the divece was repaired by arvato-Services after a broken display. And I didn't have this problem before!
Sometimes i seems to help to puff serveral times into the loudspeeker, so that the screen returns and I'm able tu hang up the call. But sometimes it doesn't works, and if I had spoken to a mailbox (and the other end didn't hang up, so that i MUST hang up) the last solution was to remove the battery.
If there is a way to disable the sensor (i.e. in the registry)?
kind regards
Ye same thing, Mine will only bring the screen back during a call if it is under a very bright light.
Any ideas yet?
Hi
Is there a way to reduce a bit the touch screen sensitivity of the Nexus
I have installed the cyanogemod 7.0 and I think the touch screen
is too sensitive for the normal use.
The cyanogemod has all the options I can imagine for the phone
but it lacks the option to properly adjust the touch screen sensitivity (and buttons).
Is there a way to reduce a bit the touchscreen sensitivity or using an application
or going to the system and change some numbers
That's capacitive screens for you, they're very sensitive.
You could try putting on a thick screen protector. Simple enough, eh?
itay1 said:
You could try putting on a thick screen protector. Simple enough, eh?
Click to expand...
Click to collapse
It's funny you should say that because that was exactly what I did, Ghost Armor on the screen worked perfectly.
Hey everyone! I am having a big problem. Previously, my air gestures used to work perfectly but now they are not. I've even enabled Quick Glance, air browse etc under settimgs but still I can't use air gestures! :'(
I've tried rebooting too. Is there any fix except for factory reset or flashing firmware?
My device is gti9500 with android lollipop stock rom.
I would suggest downloading sensor test from the play store and checking if the proximity sensor works as intended.
GDReaper said:
I would suggest downloading sensor test from the play store and checking if the proximity sensor works as intended.
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Click to collapse
Yep. Proximity sensor is working fine.
munimjaffer said:
Yep. Proximity sensor is working fine.
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Click to collapse
Yeah, but the proximity sensor and air gesture sensors are separate. If one works it doesn't mean the other one works.
GDReaper said:
Yeah, but the proximity sensor and air gesture sensors are separate. If one works it doesn't mean the other one works.
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Click to collapse
I did as you said. Downloaded app to check proximity sensor and that was working fine, now what's the fix?
munimjaffer said:
I did as you said. Downloaded app to check proximity sensor and that was working fine, now what's the fix?
Click to expand...
Click to collapse
Did you read what I said?
The air gesture sensor has nothing to do with the proximity sensor. They are 2 different sensors.
If you want to fix it, re-flash the stock ROM. If that doesn't work, you might have to tear the phone apart and clean the sensor.
GDReaper said:
Did you read what I said?
The air gesture sensor has nothing to do with the proximity sensor. They are 2 different sensors.
If you want to fix it, re-flash the stock ROM. If that doesn't work, you might have to tear the phone apart and clean the sensor.
Click to expand...
Click to collapse
Ok
@GDReaper , I've detected the problem. It is hardware related. The problem is that from the top(where there is Samsung logo) the screen is slightly raised upwards. When I press the screen tightly inwards and then try to air browse, it works fine. Is there any way I could bring screen back to its position?
Sorry for little bit of bad English.
munimjaffer said:
@GDReaper , I've detected the problem. It is hardware related. The problem is that from the top(where there is Samsung logo) the screen is slightly raised upwards. When I press the screen tightly inwards and then try to air browse, it works fine. Is there any way I could bring screen back to its position?
Sorry for little bit of bad English.
Click to expand...
Click to collapse
Try using a blow dryer to heat up the screen and then put something fairly heavy on the screen to keep it pressed down.
Hopefully the glue should become liquid from heating and harden again with cooling. Otherwise you might have to change the glass.
GDReaper said:
Try using a blow dryer to heat up the screen and then put something fairly heavy on the screen to keep it pressed down.
Hopefully the glue should become liquid from heating and harden again with cooling. Otherwise you might have to change the glass.
Click to expand...
Click to collapse
Ohh ok bro
Hi all,
It was a few months ago when I fell off my bike to the ground on the side where I had my Z1 in my pocket. It was in a rugged case and the display was facing my body (no direct shock with a solid surface). Since then, my display doesn't show any picture. The touch function works very well and the display is not broken. Also the backlight works sometimes.
What can be a problem here and how can I solve it?
Is it possible to solve this problem without changing the display?
Or if changing the display is the only solution, is there a video to make sure that I can reassemble the mobile well again as the videos available now are for disassembly only?
Thank you very much in advance,
Riko
riko2017 said:
Hi all,
It was a few months ago when I fell off my bike to the ground on the side where I had my Z1 in my pocket. It was in a rugged case and the display was facing my body (no direct shock with a solid surface). Since then, my display doesn't show any picture. The touch function works very well and the display is not broken. Also the backlight works sometimes.
What can be a problem here and how can I solve it?
Is it possible to solve this problem without changing the display?
Or if changing the display is the only solution, is there a video to make sure that I can reassemble the mobile well again as the videos available now are for disassembly only?
Thank you very much in advance,
Riko
Click to expand...
Click to collapse
Search on YouTube, there are vids from disassembling. Maybe reseat the display connector can solve the problem.