Phone stopped working after screen replacement - T-Mobile, Samsung Galaxy SIII

My phone was working fine when the screen was cracked. I didn't check if it was working right before I replaced the screen but I'm assuming it was. While replacing the screen I put some scratches on the digitizer. I also wiped it with a paper towel and it change color on some part of it. When I turn the phone on the charging light, to left corner works. Also the bottom soft keys light up as well. But that's it the screen does not light up at all and the phone doesn't make any sound when it turns on. Could I have damaged the digitizer in any way? I don't see how replacing the screen would have done that. I also noticed that while the phone is off I can see through the glass screen and see the digitizer. Where before it would look all black.
Sent from my SM-G900T using XDA Free mobile app

Did you replace the display, or just the glass? If you scratched the digitizer theres a good chance thats the problem. What did you use on the towel that caused it to change color? Thats also not a good sign. If you could explain a litte better what you replaced, what you used and how you did it, it would probably help to figure out what happened. But either way it does sound like it was damaged in the process.

I Just replaced the top glass not the whole digitizer and all. I didn't have anything on the paper towel but I think some oil from my hands. Then I tried to clean it with water so it looked like a really big smudge of oil. When I watch fix it videos all the digitizer looks black and mine looks silver. Also from reading on Google lots of people had this happen to them. It seems maybe the hair dryer made the phone too hot, if extreme heat could damage it. Or just too much pressure. Since I did put some scratches on it maybe I applied too much pressure. Lot of people are saying even the slightest bit too much pressure can damage it. But I still don't get why mine looks silver and not black.
Sent from my SM-G900T using XDA Free mobile app

I think the heat related discoloration is mostly seen when the display is on. Not sure about when its off. Cant say why it would be silver looking though. I would think youd need more heat than a hair dryer for that to be the cause though.
It may be from the water. Its just a guess though. Ive only ever seen or used rubbing alcohol or certain types of cleaners.

Related

Digitizer replacement

Hi, has anyone replaced their digitizer on their desire z/g2? How did it go? It looks easy on the youtube vid.. have any problems? What way did you use to melt the glue? What digitizer did you use, where from?
Any info much appriciated as will be replaceing mine v soon due to 'invisible finger problem' that's driving me nuts..
Thanks..
Sent from my HTC Vision using XDA App
Never done it on a g2 but should be pretty straight forward especially with a video lol. Use a heat gun to melt the glue, pretty much the only tool you SHOULD use to do something like that.
I replaced the digitizer on my third G2 after getting a refurb replacement from T-Mobile that had a black spot inside the actual digitizer glass, not on the outside or inside.
The process is very easy with the video, however, trying to keep dust and fingerprints from getting on the inside of the phone while you're trying to get it back together is a serious pain in the rear! If it's the same video that I watched, just use a hair drier blowing hot air to heat the adhesive on the inside of the digitizer and then pop the digitizer off very very slowly, because you don't want to accidentally bend the metal bezel around the screen.
You also may want to leave the original leftover adhesive on the inside, because when I cleaned mine off, light now always leaks out around the bottom edge of the digitizer, below the menu, home, and search buttons, even though I used the double sided adhesive strips covering the entire length of the bottom, so light shouldn't technically be leaking out. No biggie, though... it works like brand new, now!
Thanks for the reply.. I have seen that video and that's what I was using as a guide.. I ordered the digi today, should be here tomorrow.. the only thing I was wondering was the glueing process, as I have not ordered the double sided glue/tape stuff, as I was just hopeing to still use the original glue as I think you are saying.. I hope that works! Have to be careful like u say with dust/fingerprints etc..
Sent from my HTC Vision using XDA App
Hmm, after reading your post again, maybee I should of bought the double sided tape afterall? Do you think the old leftover glue is enough for the new digi?
Many thanks..
Sent from my HTC Vision usingall XDA App
Run over to radio shack they must have some kind of glue you can use lol. google cell phone screen glue see what info you can find.
Ok, just incase anyone is interested, got my new digitizer, followed the video, used a heat gun cerfully to melt the glue, pulled the old digitizer out, and used the original glue whilst still warm to hold the new digi in, as all of glue stayed on the case rather than on the digi, which was pretty lucky.. put it all back together and everything perfect, touchscreen back to how it should be.. cost me 17 pounds.
Sent from my HTC Vision using XDA App
How was this accompilshed?
I replaced the touch screen as well and the problem persists. Plus I never ran into a part that required a heat gun did I use the wrong item?
A VERY confusing part is getting the midframe to hold to the hinge mounts. The side (black dots all down it) should overlap the stabilizer bar on the hinge. I fidgeted with it for hours until realizing it goes over, and inadvertently damaged the highly sensitive LCD screen, which resulted in me taking the whole thing apart again to replace the LCD and digitizer. UGH!
DO NOT get the cheapo digitizer on Amazon, look for one with gray spots where the menu, home, back and search keys are on the back side. The digitizers without them will not work when you swap over the white button caps on the back. I feel like this information is vital to anyone who is replacing their G2 digitizer, but most guides and videos make no mention of it.
I used a lamp to heat up the glass to remove it the first time. Took too long the second time so I used a hair dryer.
senser1080 said:
A VERY confusing part is getting the midframe to hold to the hinge mounts. The side (black dots all down it) should overlap the stabilizer bar on the hinge. I fidgeted with it for hours until realizing it goes over, and inadvertently damaged the highly sensitive LCD screen, which resulted in me taking the whole thing apart again to replace the LCD and digitizer. UGH!
DO NOT get the cheapo digitizer on Amazon, look for one with gray spots where the menu, home, back and search keys are on the back side. The digitizers without them will not work when you swap over the white button caps on the back. I feel like this information is vital to anyone who is replacing their G2 digitizer, but most guides and videos make no mention of it.
I used a lamp to heat up the glass to remove it the first time. Took too long the second time so I used a hair dryer.
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So which digitizer did you end up buying and which guide or video did you follow? I am about to tear mine apart and could use the info.
senser1080 said:
A VERY confusing part is getting the midframe to hold to the hinge mounts. The side (black dots all down it) should overlap the stabilizer bar on the hinge. I fidgeted with it for hours until realizing it goes over, and inadvertently damaged the highly sensitive LCD screen, which resulted in me taking the whole thing apart again to replace the LCD and digitizer. UGH!
DO NOT get the cheapo digitizer on Amazon, look for one with gray spots where the menu, home, back and search keys are on the back side. The digitizers without them will not work when you swap over the white button caps on the back. I feel like this information is vital to anyone who is replacing their G2 digitizer, but most guides and videos make no mention of it.
I used a lamp to heat up the glass to remove it the first time. Took too long the second time so I used a hair dryer.
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Hi, I did buy mine from amazon.co.uk, there were a few for sale,, the one I bought was supposed to be a genuine t-mobile g2 replacement (refurb I think, pressumably this just means that it was from a second hand g2 that had problems and the digi was taken out - and I'm pretty certain this is the case as mine has a thin film (which u leave on) over the back of the digi covering the tracks etc, which had a few very small air/dust bubbles under it (just noticeable when screen off), where I own a desire z, so now it sais t-mobile instead of htc, but I can live with that.
The small grey bits that you talk about were floating about or stuck on my digi when I pulled it off the main chassis. I had a look, and as far as I could work out, were possibly just for giving colour to the tiny led's that give you light to the home/search keys etc (I may be wrong on their use), but if you look closely, the tiny grey things have even smaller rectangles on them that relate to the positions of the led's on the circuit board. So I picked the remaining ones off the old digi, put them back in their correct holes and stuck the new digi in. I've had no problems (with a digi from amazon with no little grey things on it) so far, but maybee this is due to mine being a second hand original part..
Edit : Now after reading your post again, you're talking about bits that are actually on the digi itself, not the white caps that I'm talking about! Whoops. I didn't notice any grey spots on the digi itself, but I guess I must have them..
Sent from my HTC Vision using XDA App
ian577416 said:
I replaced the touch screen as well and the problem persists. Plus I never ran into a part that required a heat gun did I use the wrong item?
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I rekon u replaced the wrong thing! Maybe the lcd?
Sent from my HTC Vision using XDA App
i just replaced mine with this one:
http://www.ebay.de/itm/230685692541?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
actually it says HTC on it and looks a lil bit differently than on the picture.
never the less, i replaced it really carefully and checked every connecting.
But somehow the Touchscreen doesn't work at all.
Can anyone help me ? what could be the problem ?
Wrong digitzer ?
is it okay, that the digitizer has direct contact to the frame where it is glued to ?
jmpcrx said:
... as will be replaceing mine v soon due to 'invisible finger problem' that's driving me nuts..
Sent from my HTC Vision using XDA App
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Hi!
I have the same problem, I have asked it already here
So you had invisible finger press in the screen, and the screen was bad responsive?
...Just to make sure my problem is digitizer problem! The service wont change it in warranty unless the problem is there all the time! But its driving me crazy! why is it happening randomly, why isnt it all the time? How could i make the screen to do this problem when i'm at the service?

Dropped in pool, touchscreen unresponsive

I inherited a G2 that had been dropped in a pool. It was dried out with the bag of rice trick and seems to work except for the touch screen.
The previous owner was able to restore to stock and it boots fine, screen looks good, clear picture with no flaws.
However the touch screen is completely unresponsive so I am unable to proceed past the sign up page.
I took it to the lab here at work and hosed it down with isopropyl alcohol, spraying it into every hole and port I could find and then placed it in a desiccant chamber.
My question is, if this procedure doesn't resurrect it, what would you do next? Replace just the digitizer or the whole screen assembly? Can I get the whole screen assembly so I don't have to do the heat gun trick to take it apart?
I have completely torn down a couple of G1s and reassembled them and have replaced a couple iPod batteries and screens so I am fine tearing it apart if need be.
The phone was free to me so I can afford to spend a few bucks on it in my ADD attempts to fix it.
Thanks for any info on what you would try replacing first.
Just as a bit of information for anyone searching. The alcohol seemed to do more damage than good. Now the LCD screen is all dicked up and the touch screen still doesn't work. I am hoping another day in the dryer will help but I think I ruined it.
when using alcohol. weaken it down to about 25%, otherwise it's a bit harsh on stuff
if you are just cleaning a straight circuit board only, like a motherboard, then full strength is fine.
Dilute it with deionized water or what?
sent from XDA app
Yeah you'd want to use deionized, otherwise the ions will mess everything up.
-Nipqer
Should still dry out tho, straight alcohol evaps super quick, just put it in the dessicant chamber again. Id check the ribbon cable from the mobo to the screen first...could be loose or even have some crap on the pins from the chlorine
Sent from my HTC Vision using xda premium
ptesmoke said:
Should still dry out tho, straight alcohol evaps super quick, just put it in the dessicant chamber again. Id check the ribbon cable from the mobo to the screen first...could be loose or even have some crap on the pins from the chlorine
Sent from my HTC Vision using xda premium
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I tore it down to the frame, pulled the LCD and cleaned in between that and the digitizer with a lens cloth.
I cleaned every connection I could get to with De-Oxit cleaner and a q-tip.
Put it back together and the LCD now has those damn lines down the right hand side like I have seen others complain about.So I guess tonight I will tear it apart again.
I don't recall anyone ever answering what caused the lines down the side of the screen, they weren't there before i tore it apart and cleaned it all up.
Well after fooling around with the phone tonight I am thinking cleaning the LCD screen with a microfiber cloth was a bad idea. Apparently they are way more fragile than I thought.
So now I need to decide if a $65 LCD and digitizer from eBay are worth the cost for a phone that may be completely trashed anyways. I am super curious to see if I can fix it, but dont want to throw money into a pit. I could get a whole G2 phone off eBay for about $200. If I even needed another phone. Which I dont.
Decisions, decisions.

Easy way to fix screen scratches?

I am not talking about deep scratches. I had a scratch on my screen, even that I am extremely careful with my phone, I never place it with keys or any other objects. Still I got a long scratch on the screen which I can't see except in a certain angle with sunlight. I can't see it at night even when all the lights of the room are on. The scratch isn't deep and it's very tiny as hair, I can't even feel it while rubbing my fingers over it. I was wondering is there an easy way to fix this tiny scratch, a way which doesn't involve sanding or anything dangerous which may make my screen only worst if not done perfectly?
I have the exact same scratch. Because of it, could not return my phone.
It's wired though. I am extremely careful with my phone.
I would really appreciate it if people would share with us their experience in fixing screen scratches.
Sometimes if its very very light, then a screen protector may hide it, probably could try something similar to a Zagg one rather than a stiff plastic type.
But I still know it's there. You know whar I mean, when you love your phone you don't want to hide scratches but you want to fix them.
Will polishing the screen work?
Sent from my HTC One X using XDA
Why don't you try Displex scratch remover? But be careful not to rub it too hard.. What it does is that it levels the surface by grinding the surrounding surface area and filling the scratches. The more you do, you will end up removing the Oleophobic coating! So you will have to do it with less pressure till the scratch disappears.. Once done, make sure that you put a screen protector..
Those hair line like scratches are unavoidable. I can very well understand what you are talking about. I had the same experience with the iPhone 4S and the HTC Sensation. Those scratches are not visible in sun light but under specific yellow lights.. You can't feel them or do they affect the clarity.. But it bother's us Thats when I learnt to put a screen protector the moment I buy a new phone
THIS is what Im talking about!
I used a CD restoring kit before. Not sure how well that would work on Gorilla Glass thought.
Does anyone see black boxes on the screen in light when the screen is turned off. I see lots of black boxes together all over the screen?
Sent from my HTC One X using XDA
it's disturbing the amount of people with scratches and broken screens. i dropped a phone with gorilla glass 1 a few times with no bad results and watched videos of keys trying to scratch it that couldn't. something isn't right here.
mzaza said:
Does anyone see black boxes on the screen in light when the screen is turned off. I see lots of black boxes together all over the screen?
Sent from my HTC One X using XDA
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Yep I see them aswell. I think that's just the way the LCD is build. Like when you get close to an old tv you see the red, green, blue bars
Sent from my HTC One X using XDA

previosly cracked screen, dropped again, now screen is black - what broke?

i think i'm screwed. so i previosly dropped it and it got a few cracks in the top right corner only one of which dipped down onto my viewing area. functionality was not affected. really as good as you can hope for as far as cracked screens go.
dropped it again and didnt hurt the glass any more, but the screen is now black. phone is on, buttons light up, i can even USE THE SCREEN, i just cant SEE anything. i can answer calls by knowing where to swype my finger and end them by pressing where the end button is. for a brief moment the very very bottom edge had a thin stip of green-pixely-ur-fcked-dude at the bottom.
So my question is what broke??? I dont really think the previous cracks are relevant but just in case...
Things i have done: restarted the phone by holding power button. removed/reinstalled battery, unplugged/replugged screen inside phone, whapped phone a few times, squeezed phone gently in various areas, searched forums until bleary eyed, browsed internet for phone cases, browsed internet for pictures of cats, posted this thread.
the extent of my knowledge is that the screen is composed of glass on top of the digitizer on top of the AMOLED (aka the LCD?). and before i realized i could still use the screen i was praying i was super lucky and maybe the screen came unplugged. but not so.
any advice? i previously saw that replacement glass is cheap but read that the whole setup is expensive. i do not have insurance on the phone. i do intend to fix it myself.
Most likely the screen needs to be replaced now. Theres a how to on this. Ebay sells replacements.
Sent from my Galaxy S3 using neighbors wifi
You need a flip phone.
Definitely your LCD broke. You can buy both LCD and digitizer on eBay for about a hundred bucks I think. Its not hard to do it yourself.
Sent from my ASUS Transformer Pad TF300T using Tapatalk 2
For future reference did you at least have a case on it when it dropped?
Sent from my SGH-T999 using xda app-developers app
No I didn't have a case on it. probly wouldnt have saved my glass given the way it landed on gravel (8 inches off the ground btw). Mighta reduced the shock that caused this problem tho.
Well I woulndnt have guessed that LCDs usually break this way. I woulda figured if I cracked the LCD or something (under the glass) that I
would just end up with a mess of colors or something. I wonder what went wrong...
So my new digitizer and LCD will come together? will I have to buy new glass seperate?
Is it possible to pilfer to digitizer/LCD from a used phone with cracked glass? Probly not huh, cuz the videos seem to show them getting destroyed upon removal.
Thanks for the info guys.
Is there any physical damage to the phone you can see? If not, pm me as I may have an idea.
pytyper483 said:
If not, pm me as I may have an idea.
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feel free to reply here

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

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