Galaxy s III mini proximity sensor - Galaxy S III Mini Q&A, Help & Troubleshooting

Hi All,
I have recently replaced a broken LCD display on my Galaxy S III Mini, buying a full new kit (LCD+Touch+Screen).
All works fine, except the proximity sensor that is always "closed" as if an object is covering it; so, when you make a call, the screen become black and you can't stop the call.
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The seller says (without taking a look to the phone) that the problem is on the motherboard, but I had no problems before the screen replacement.
So, my question for you (that are more expert than me) is: the proximity sensor is embedded in the LCD+Touch screen?
What do ou think about the seller statement?
Thanks for your support.

Clean the sensor
messiah2000 said:
Hi All,
I have recently replaced a broken LCD display on my Galaxy S III Mini, buying a full new kit (LCD+Touch+Screen).
All works fine, except the proximity sensor that is always "closed" as if an object is covering it; so, when you make a call, the screen become black and you can't stop the call.
The seller says (without taking a look to the phone) that the problem is on the motherboard, but I had no problems before the screen replacement.
So, my question for you (that are more expert than me) is: the proximity sensor is embedded in the LCD+Touch screen?
What do ou think about the seller statement?
Thanks for your support.
Click to expand...
Click to collapse
I had this same problem with my s4 and the solution was to open the phone and clean the sensor good, I used double sided tape to remove the particles and 98% alcohol to clean the lence, so the problem is not the motherboard don't worry... sorry for the spell mistakes. You know English, Macedonia you get it...

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img.photobucket . com/albums/v332/twylo/Photoon2011-06-19at1151.jpg
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I don't believe the digitizer is damaged because I can still feel the haptic feedback, such as when I slide the lock across and it gives a little buzz when it unlocks, home button etc. Just the screen is damaged. I'm assuming that it isn't a loose connection and that I actually broke the screen. I'm just not sure which replacement LCD to get. I know there is the original AMOLED, and then the Sony version, but am I restricted to one since I (think) have the AMOLED? I would like to stay with the original AMOLED if I could. Any help would be appreciated, need to get my phone back up and running as soon as I can!
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from what i know, if you get it replaced by htc, it will probably be a slcd screen as samsung is churning out s/amoled as fast as they can and not everybody is on the priority list. slcd is supposedly better on battery life but still can't match the blacks/contrast of the amoled screen.
I'm in the same boat here. Figured I'd just post in the same thread since it looks like we have the exact same problem.
This is my phone now:
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The touch screen works and the glass is not cracked the glass is cracked, I can tell if the phone is off and look carefully.
I can still see parts of the image. I'm looking on ebay for parts but I'm not really sure what's what.
Does anyone know how long it will take and how much it will cost to get it repaired by HTC? Will they only do it if it's under warranty?
My phone is the ATT model too which complicates things, some auctions on ebay mention a difference between models.

Touch screen works only when I press motherboard

Hi, I've got a problem with my S3 LTE. I have changed full set in my phone. Connected it to the motherboard and there is a problem with touch sreen. Once it works, then it suddenly stops and doesn't work. I tried to change ROM, I have contacted seller of set, because thought that is faulty. He sent me a new one and it is the same problem. When he got the package with that first one, he wrote to me that it works perfectly with his phone. After few weeks with this problem I saw something new today. At the time, when I'm pressing motherboard in red selected area, touch screen works! It is not about the LCD flex, because when try to push this flex it doesn't help me. It works always when I press here, like on image. What is an issue? What could I do? (sorry for my English, it is not perfect)
Here on this picture it is i9300 but it's the same place as in my i9305.
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Thanks!
It seems that it is problem with cold solder joint on motherboard, that is my opinion. When I heated it by hot air in 100° C for a minute touch worked for a few hours. Is it possible to repair? What should I do?
FootballerPL said:
It seems that it is problem with cold solder joint on motherboard, that is my opinion. When I heated it by hot air in 100° C for a minute touch worked for a few hours. Is it possible to repair? What should I do?
Click to expand...
Click to collapse
What's on the other side? I mean in the exact same area.
Right bottom corner on this two pictures.
Anybody got any ideas?

Camera Glass Broken - howto fix?

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workdrojd said:
Hi guys,
I got an accidental scratch on my Mi 9 camera lens today (the main camera on the back). I unfortunately got a small black spot whenever I shot a photo now, so I suppose the whole glass needs a change.
Is it difficult? Where to order from?
I'm going to Bangkok next month, do you think the official stores offering glass repair?
Click to expand...
Click to collapse
Google is your friend:
https://www.witrigs.com/oem-camera-glass-for-xiaomi-mi-9-mi-9-se
https://www.witrigs.com/oem-camera-cover-for-xiaomi-mi-9
https://www.ifixit.com/Guide/Xiaomi+Mi+9+Rear+Camera+Glass+With+Sensors+Replacement/125704
https://www.youtube.com/watch?v=6DMTEiCINXE
I've googled for 'xiaomi mi 9 camera glass'.
If you're in Bangkok just go to one of the big electronic shopping malls*. They all offer repair service for literally each and every device.
* MBK, 4th floor
* Fortune Town
* Pantip Plaza
Cheers
Toscha
Friends, would you say this a glass damage or something else?
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Well, try use other lenses, for ex. use 0.6X lens (wide-angle). If this mark stay, it's not a glass problem.

Proximity sensor is not working after screen replace

Hey there, I have an issue with malfunction of proximity sensor on p30 pro after screen replacement. The replacement has been done professionally, I’m very experienced and I repaired this device many times successfully. The malfunction of the proximity sensor is not caused by some protection glass or software issue. Phone has been updated and resetted. Also the Sensor is working generally because after putting it to a different p30 pro it worked just fine. I‘ve tried to read some info about the sensor with some diagnostic apps, there is no function of the sensor what so ever. Mainboard is also working because i putted it to a different frame and it worked just fine. Any ideas how to solve this? Thanks for your help
Did you have any luck with this.. I have an identical situation. even bought a new proximity and nothing doing.
I've thrown the towel in and buttoned it back up now.
Cheers.
Yes I was successful. Most likely the issue is caused by the missing of a little piece of foam between display and frame.
Oh, I transferred that piece between the cases.. maybe it's damaged. I'll check into it.
Thanks.
trf414 said:
Yes I was successful. Most likely the issue is caused by the missing of a little piece of foam between display and frame.
Click to expand...
Click to collapse
Hello.
Can you please explain what you mean with little piece of foam?
Thank you
This piece has to have the right size, shape and especially thickness, otherwise proximity sensor will fail
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Question Liquid damage / oxidation cost, the final nail in the coffin

Sent my device back to be repaired by OnePlus.
Nothing wrong with the phone besides two things.
Proximity sensor
Brightness sensor.
They say I need to change all of these
Parts affected:
- Replacement antenna
- Replacement back camera
- Replacement battery
- Replacement battery cover
- Replacement display
- Replacement earpiece
- Replacement flex
- Replacement front camera
- Replacement main board
- Replacement speaker phone
- Replacement vibrator
- Screening
Plus the cost would be £854?? Lol a brand new 10 pro doesn't cost that much FFS.
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Needless to say I said no, now I'm awaiting it coming back in a completely non working state and I'll end up with a fight on my hands..
I get it that it may have some water damage but honestly, £854?? What are these guys smoking? At best it'll be a problem with the sensors alone if they can't be removed then fair enough.
Guess i'm going to save up for the nothing 2.
Never again.
PS: just called SBE and spoke with some utter puppet, I advised that there was only a couple of problems with it and that I want the device back with the functionality that I sent it to them with...
Only to be told that "we can't make any guarantees"
Vile company, Vile practices.

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