Develop Bugs

oil slick screen

had my TP2 nearly a year but recently i have noticed the screen has like a rectangle shape oil slick type mark on itvery noticable and seems to be getting worse anyone else had this??
its as though there's water under the screen protector but when i remove the SC its still there

search newton ring.

newtons ring??? kind of the case. the "oil slick" is mearly trapped condensation between the digitizer and the top plastic covering that you catually touch(the plastic you put the screen protector on). moisture seeps in through the bottom keys and earpiece in forms of vapor and liquid. this occurs when you have your phone in your pocket or use it in humidity(shower or weather)...congrats, you ve trapped your sweat lol. the reason why its rectangle is because the screen/digitizer and top plastic are not set flush together. as you know, the top plastic is very flexable so you can take your finger and feel the various componets in the empty spaces. i can confirm my finding because a few months back, i replaced my tp2 screen. i seen it had the oil slick before i opened it and before i put humpty back together again, i wiped under the plastic screen and felt a slight moist film. i tried to guess how the hell water got in and i concluded by a salty electronic taste...yeah i smelt and tasted it...that it was sweat. i always carried my phone in my front pocket and over time, the sweat built up. after a wipe with electronic cleaning cloths, an air dry and then an air can blow(i love my phone lol), i put it back together and bam...no oil slick. another way to think of my theory is, you know when you swim with your watch and condensation builds up on the inner quartz and makes it look foggy?...same thing here. only thing different is that there is only one flat surface and not 2 like inside the phone so the moisture wont look like an oil spill, it will just be foggy.

so how do i open the screen up to get rid is it easy enough to do or will bloww warm air over it do it ???

combat goofwing said:
so how do i open the screen up to get rid is it easy enough to do or will bloww warm air over it do it ???
Click to expand...
Click to collapse
there are lots of vids on how to disassemble the tp2. check youtube. just to let you know, its a long process. you have to take apart the entire phone just to get to the screen...good luck.
ps i would post the vid link but im typing this off my tp2. if you cant find a good video, i will link one here later.

check my skydrive for the dissasembly doc
http://cid-fe479a288f53bea8.skydrive.live.com/browse.aspx/.Public

Odd touch screen behavior

Well,i noticed some odd behavior the other day with my phone laying on my desk at work. It was completely unresponsive. So I was just fooling around, laying the phone on my bed, same thing. I realized that unless my other hand is touching the phone, the screen is unresponsive. Think this is some sort of grounding issue? It isn't a big deal, but I have never had this problem on other phones. Anyone else have this problem? Try sitting it flat on a desk without touching the body of the phone and see if the touch screen functions.
Sent from my HTC Vision

Dont quote me on this but i read on how touch screens work and it basicly like you said the screen has a charge and when you touch it it slightly changes the charge and thats how the cpu monitors the change and tells the screen to act the way it does. But i am not sure why the screen gets less responsive when your not holding it in your hand. It happens with my G2 and my G1 so nothing new but maybe some one can actually explain what is going on.

Fear the static
The answer is quite simple; it's cooler outside so there is less humidity in the air. With lower humidity you have a higher static charge on your body (hence why you can zap someone more easily in the winter than the summer). Since the screen is capacitive (relies on small changes in the charge on the top surface to know where you are touching it) and you have a larger charge on your body, the digitizer sees it more like you bringing three or four fingers in close proximity to one spot. The reason putting both hands on it works is because you now give the digitizer a reference charge to distinguish and ignore.
TL;DR - Winter static makes screen think you are ham-fisting it.
Solution - use hand lotion to help dissipate your body's static charge from your fingertips, just don't use so much that you end up leaving greasy streaks on your screen. If you do, wipe the excess off of your hands with paper towels until you don't have lint tracks in your hand, TP is good for this.

sivalley said:
The answer is quite simple; it's cooler outside so there is less humidity in the air. With lower humidity you have a higher static charge on your body (hence why you can zap someone more easily in the winter than the summer). Since the screen is capacitive (relies on small changes in the charge on the top surface to know where you are touching it) and you have a larger charge on your body, the digitizer sees it more like you bringing three or four fingers in close proximity to one spot. The reason putting both hands on it works is because you now give the digitizer a reference charge to distinguish and ignore.
TL;DR - Winter static makes screen think you are ham-fisting it.
Solution - use hand lotion to help dissipate your body's static charge from your fingertips, just don't use so much that you end up leaving greasy streaks on your screen. If you do, wipe the excess off of your hands with paper towels until you don't have lint tracks in your hand, TP is good for this.
Click to expand...
Click to collapse
Sent from my T-Mobile G2 using XDA App
U smart as hell thanks

Makes sense. Weird I never noticed before. Good deal.
Sent from my HTC Vision

I can confirm this "issue" or behavoir. It happened to my phone exactly like u described. I dont know if this is a common thing for capacitive devices or not but it does happen to me.
Oh well, i guess i should stop being lazy and pick up my phone lol.

kingbrooks1984 said:
Sent from my T-Mobile G2 using XDA App
U smart as hell thanks
Click to expand...
Click to collapse
I 2nd that statement and a +1 on solution with lotion! lol
Now i will begin to tell my gf how the Screen isnt HEAT sensitive and why during the winter time with cold hands it responds differently.

i did notice this behavior the other day, and to be perfectly honest it scared the tar out of me, but then as soon as i picked the phone up it was fine again. i guess you really do learn something new every day, i always thought the capacitive screen reacted to heat, but i guess not.

sivalley said:
Solution - use hand lotion to help dissipate your body's static charge from your fingertips, just don't use so much that you end up leaving greasy streaks on your screen. If you do, wipe the excess off of your hands with paper towels until you don't have lint tracks in your hand, TP is good for this.
Click to expand...
Click to collapse
****, do I have to go buy hand lotion now? Anyway, thanks a lot.
Does all capasitive screens react like this are some phones just more prone to it?

[Q] Random touches with replaced digitizer

I replaced my digitizer on my inc and now it will randomly have touches on the screen. I have no idea why this is happening. I have tried two different digitizers with the same problem. It gets worse, i have tried the first digitizer i got on a second phone and this phone has the same problem.
I am running cyanogenmod and have "show touch" turned on so i can tell when its happening and where. The random touches appear to happen all on there own. I can not reproduce them. They do generally happen in about the same spot/spots each time. There are two general areas and when its registers a touch it moves a little, meaning when it touches it self it dances around a little. how ever if i turn off the screen and turn it back on it usually fixes the issue for a while.
Any idea what may be causing this problem and how to fix it?

Funny, I am having the same exact problem. Replaced my digitizer about a month ago and routinely get the "random touches" or just general unresponsiveness while using my phone.
I just assumed it was a side effect of my less then perfect installation but now I wonder if the digitizer itself is shoddy.

freestylesno said:
when it touches it self it dances around a little.
Click to expand...
Click to collapse
Haha, excellent...
Have you considered the trackpad as the possible culprit? I know when my phone does similar things (swiping homescreens, moving the cursor when typing, etc) it's usually because the trackpad is dirty. I can't really think of why the digitizer (assuming it was properly replaced) would be causing that problem..

My buddy Bob had this happen to his Incredible too when he cracked his screen and had it replaced. He had it replaced 3x through Best Buy because each time it came back it would freak out like that. It turns out that something inside the phone was shorting out to the chassis, it would only happen when he squeezed/held the side of the phone. They ended up just giving him a new one after the third time.

brando56894 said:
My buddy Bob had this happen to his Incredible too when he cracked his screen and had it replaced. He had it replaced 3x through Best Buy because each time it came back it would freak out like that. It turns out that something inside the phone was shorting out to the chassis, it would only happen when he squeezed/held the side of the phone. They ended up just giving him a new one after the third time.
Click to expand...
Click to collapse
Yeah im thinking it could be something shorting but no real way to test. But after many take apart's i seem to have got the screen to a point where it does it like all the time rendering the phone useless. i have put back on the original screen and am seeing if there are problems there. (i got a new plastic housing)
k_nivesout said:
Haha, excellent...
Have you considered the trackpad as the possible culprit? I know when my phone does similar things (swiping homescreens, moving the cursor when typing, etc) it's usually because the trackpad is dirty. I can't really think of why the digitizer (assuming it was properly replaced) would be causing that problem..
Click to expand...
Click to collapse
Yeah i have disconnected the track pad and tried that with no change. and i tried disconnecting the light bar for a try and it would not boot. but i only tried once and i could have messed something else up when i put it back together.
i will report back with how the stock screen does and i'm thinking that will confirm that its the replacement digitizers .

Well the stock digitizer is doing the same thing. So its someting on the board, but i have tried it on two different phones.
So im up for trying just about any suggestion at this point. I have 2 phone and 3 digitizes doing this.

Mine does the same thing. I replaced just the screen awhile back.
I thought it might be related to maybe an upgraded screen family and the kernel not supporting it or something..
Like this post:
http://forum.xda-developers.com/showpost.php?p=15132827&postcount=3626
I usually take off the back and then pull the battery and snap the case back on. Seems to fix the problem until I mess with the battery again.
Anyone know how to see what touchscreen version you have?

ok so i have 3 phones(boards) 3 digitizers. 2 phones are the same hardware version i believe, one isn't. and all three experience this problem. This is even with swapping around the digitizers. I'm thinking that somehow all of these share something similar. All i can think of is me putting them together.
Any idea on what they share?

Just wondering if you ever fixed the problem or got it figured out to some extent?
Same thing is happening on my phone ever since I replaced the screen/digitizer. Took it back apart and cleaned all the ribbon connections and the problem is still there. Thinking it might be a grounding issue possibly since it seems like it goes away (most the time) after I vigorously squeeze the bottom of the phone, by the trackpad and capacitive buttons. But it invariably comes back, and seems to be worse when plugged in to the charger for whatever reason.
Also, since you've also taken apart and reassembled your phone, have you had an issue with the trackpad not sitting flush with the screen? No matter how I reassemble everything, it seems like my trackpad is recessed now and it's even worse when I use the little rubber gasket that was on there originally...

I haven't been able to determine what the problem is, but mine seems exactly like yours. When charging I pretty much can't use my phone random touches everywhere, or it doesn't fully reconize my touch. I just took my INC all the way apart and cleaned everything connections and all. I read somewhere it could be a dirty optical pad so cleaned that good too. Just powered on *Fingers Crossed*

odlay75 said:
I haven't been able to determine what the problem is, but mine seems exactly like yours. When charging I pretty much can't use my phone random touches everywhere, or it doesn't fully reconize my touch. I just took my INC all the way apart and cleaned everything connections and all. I read somewhere it could be a dirty optical pad so cleaned that good too. Just powered on *Fingers Crossed*
Click to expand...
Click to collapse
when you replaced it did you make sure you the ground straps where connected to the screw holes with nothing interfering? i pulled my LCD out of my screen on my dev phone because there was dust under the glass. after i put it all back together i was getting the same thing descried in the OP. so i took it apart and noticed that the thread lock used on the screws pealed off and on the ground straps. so i cleaned them up with Alcohol and a cotton swab. put it back together and haven't had it happen sense.

synisterwolf said:
when you replaced it did you make sure you the ground straps where connected to the screw holes with nothing interfering? i pulled my LCD out of my screen on my dev phone because there was dust under the glass. after i put it all back together i was getting the same thing descried in the OP. so i took it apart and noticed that the thread lock used on the screws pealed off and on the ground straps. so i cleaned them up with Alcohol and a cotton swab. put it back together and haven't had it happen sense.
Click to expand...
Click to collapse
When you say ground straps, are you referring to the two tiny screws that are near the top of the actual screen (after you've taken of the red battery compartment thing and the board)? I remember there being these little metal mesh strips that were in those screw holes that I think I promptly lost after taking the screws out..

k_nivesout said:
When you say ground straps, are you referring to the two tiny screws that are near the top of the actual screen (after you've taken of the red battery compartment thing and the board)? I remember there being these little metal mesh strips that were in those screw holes that I think I promptly lost after taking the screws out..
Click to expand...
Click to collapse
yes. after removing the board on the back of the LCD screen there are 2 straps on the top that ground the screen to the frame. the screws had blue thread lock on the bottom. sometimes it will come off when you remove them.
basically make the head of the screw is clean and the metal straps are clean to make a good enough ground.
EDIT:
if you lost the screws you can try to pick up an eye glass repair kit. the ones used for glasses. they have small phillip screws that might work. you can normally buy the kit at a $.99 store.

I was wondering what the screws were for since it didn't look like they were actually holding anything in.. I didn't lose the screws, just the grounding material, which were those metal mesh adhesive strips. Trying to think of what I may be able to replace that with, maybe just some aluminum foil or something? There has to be some better material, I'm just not thinking of it..

k_nivesout said:
I was wondering what the screws were for since it didn't look like they were actually holding anything in.. I didn't lose the screws, just the grounding material, which were those metal mesh adhesive strips. Trying to think of what I may be able to replace that with, maybe just some aluminum foil or something? There has to be some better material, I'm just not thinking of it..
Click to expand...
Click to collapse
the straps fell off? (the straps are on the back and should be soldered to the drivers on the rear of the screen) i wouldn't recommend aluminum foil. try going to a store like radio shack or any do it your self electronic store and see if the can sell you some fine wire mesh.

Hm, I think we must be thinking of different things, cause these were just tiny little pieces of wires mesh that those screws held into place that were stuck to the metal on the back of the screen. Might have to open it up again and snap a picture or two to clarify if I can't find any other grounding issues, etc.

k_nivesout said:
Hm, I think we must be thinking of different things, cause these were just tiny little pieces of wires mesh that those screws held into place that were stuck to the metal on the back of the screen. Might have to open it up again and snap a picture or two to clarify if I can't find any other grounding issues, etc.
Click to expand...
Click to collapse
yea thats what im talking about. the 2 straps on top that are screwed in. they need to have a clean connection from the strap to the screw heads that it sits on after screwing them down.

Well I'll be damned, I think that was it! I "borrowed" a little bit of that wire mesh stuff from the back of the screen (it's holding down the screen's ribbon connector and covering other things) and put the screws back in holding little strips of the mesh down and stuck to the metal on the back of the screen. I haven't been using my phone much but the phantom touches and vibration haven't come back, crossing my fingers that it stays this way!
Thanks again synisterwolf, mashed your thanks button a bit
To the OP: I'd highly recommend making sure the screen is grounded properly with those two tiny screws towards the top of the screen.

Thanks for the info guys! Does anyone have a pic of this mesh stuff. I think my old screen had it, but the new screen does not..

odlay75 said:
Thanks for the info guys! Does anyone have a pic of this mesh stuff. I think my old screen had it, but the new screen does not..
Click to expand...
Click to collapse
http://www.youtube.com/watch?v=lr4uy9yKqIE
3:30 MARK is what we are talking about.
---------- Post added at 11:32 AM ---------- Previous post was at 11:32 AM ----------
k_nivesout said:
Well I'll be damned, I think that was it! I "borrowed" a little bit of that wire mesh stuff from the back of the screen (it's holding down the screen's ribbon connector and covering other things) and put the screws back in holding little strips of the mesh down and stuck to the metal on the back of the screen. I haven't been using my phone much but the phantom touches and vibration haven't come back, crossing my fingers that it stays this way!
Thanks again synisterwolf, mashed your thanks button a bit
To the OP: I'd highly recommend making sure the screen is grounded properly with those two tiny screws towards the top of the screen.
Click to expand...
Click to collapse
you are welcome. glad i could help and glad i took mine apart. now i can see how it all works. it was hard with my big hands but it was fun.

Another Shattered display....a few general questions

So, For the first time in my phone career, I have dropped and cracked a phone. I decided to go the route of trying to replace only the glass. There are multiple videos out there, but very few are specific enough for my liking. Let me start by showing what I ordered. It will be here Tue,
So here is the replacement part i ordered.... http://www.amazon.com/gp/product/B00A66UH8I/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1
And to avoid having to use and cut double sided tape, I went with this...but I'm not convinced that it is what i need. I could use some opinions on this. http://www.amazon.com/gp/product/B00BMD8HMM/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
Its very limited on description, but i think it is basically precut double sided tape for my project.
So, I am going to remove the rear housing but leave the motherboard in place for this excursion. Using a heat gun and the tool provided with the part, I plan to remove the glass from the digitizer.
My screen is completely shattered, so I feel like that may help me a little bit. I can use tweezers to remove the larger bits instead of having to worry about removing the whole screen and putting too much pressure on the screen.
What do you guys think?

I think you have a good chance of success. ...if...
The temperature of the gun is correct.
I've changed 2 screens, and I will not do it again.
The trick is heat and being patient in the repair.
You'll get it. ..just don't rush it. ...g
Edit:
Use a vacuum cleaner with a small piece of tubing taped into the hose end to provide suction in getting any glass pieces you can't see while the repair is under way. ...g

Dredge said:
So, For the first time in my phone career, I have dropped and cracked a phone. I decided to go the route of trying to replace only the glass. There are multiple videos out there, but very few are specific enough for my liking. Let me start by showing what I ordered. It will be here Tue,
So here is the replacement part i ordered.... http://www.amazon.com/gp/product/B00A66UH8I/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1
And to avoid having to use and cut double sided tape, I went with this...but I'm not convinced that it is what i need. I could use some opinions on this. http://www.amazon.com/gp/product/B00BMD8HMM/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
Its very limited on description, but i think it is basically precut double sided tape for my project.
So, I am going to remove the rear housing but leave the motherboard in place for this excursion. Using a heat gun and the tool provided with the part, I plan to remove the glass from the digitizer.
My screen is completely shattered, so I feel like that may help me a little bit. I can use tweezers to remove the larger bits instead of having to worry about removing the whole screen and putting too much pressure on the screen.
What do you guys think?
Click to expand...
Click to collapse
I do this for a living. Be incredibly careful when you do it. I recommend that you pickup a non-contact IR temperature probe, the reason you'll want this is so you don't overheat the LCD and yellow it. Keep the temperature of the glass below 200°F at all times, any higher and you start to run the risk of yellowing the LCD. The adhesive that will remain behind is relatively easy to clean off, just be patient with it and take your time, you can get a clean repair by doing it slowly. As for the adhesive, it's not very easy to not have bubbles, but think of it like installing a screen protector and you should be fine.

One great tool to have for this (and other hot air work) is a thermal camera. If you can get your hands on one great. Be sure to set the pallete to custom and pick colors that will get your attention when they get too high. Set the thing up on a small tripod or something so you can see your work in it and easily monitor the image. I have one where I work but would think of renting one if I did not have access to one and planned such a temperature sensitive job.

I need help removing Nexus 5X screen

Hello guys,
I had an accident where I spilled liquid on top of my phone's screen, it was alcohol based, so it got through the bottom speaker and went to the screen layers. After a couple of days of trying to dry it out, there are still terrible looking streaks that look like water damage. I tried using a hair dryer and a suction tool from my car mount for the phone, to remove the screen, but it won't budge. This method worked easy with my old Nexus 5. Some heat, I pull up and it comes right off. With this - I heated as much as I can, and then pulled with all my strength, but screen will not come loose from the frame.
Has anyone removed the screen on their phone, or does anyone have experience in doing such things, to help me pull this off?
I believe that if I manage to remove the screen, and clean the layers, screen should be back to 100%.
I asked a friend of mine to lend me his heat gun, but I am afraid of applying too much heat and killing the LCD, or doing bad things to the plastic body of the phone.
Any help is greatly appreciated.

Have you checked out the dismantle video on youtube? I believe you have to go through the back.

https://www.ifixit.com/Teardown/Nexus+5X+Teardown/51318

NO! I know how ti disassemble the phone... What you are posting doesn't even include the screen separation from the frame.

I have been watching videos a lot, but I myself, after following them, am unable to separate screen from frame. And to be fair there is just 1-2 videos out there that actually show people doing that. In one a dude used heat, a suction tool and a precision knife to lift the screen from the frame. I don't think using a metal tool on a heated plastic, to lift a glass is a good idea, especially when the adhesive is so strong. I guess the screen from that video has already been removed, that is why it looked so doable. I bet if I try that, I will f*ck up my pristine frame (phone is 1,5 months old)

You have to go through the back. See link https://youtu.be/Y8XpqwLsrUo

Same problem here, I cannot manage to separate the screen from the frame. Did you manage to remove it?

I broke that damn glass into pieces from the back holes, allowing me to insert a guitar plectrum and finally remove it all. Fixed