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[Completed] Unable to boot Galaxy S Duos 2 S7582's

I've got from someone two Galaxy S Duos 2 S7582.
One had its screen with a huge crack (but worked fine), and the other has a perfect screen but wasn't being able to charge nor start with the first one's battery.
I mean, If I started the first one, it would boot in less than a minute. (Samsung screen with its model, and then Samsung animated logo with blue fading in the background right before finishing booting). While charging it showed the sign of an empty battery for a few seconds, and then the current status of the battery.
The second one if started would only boot till the first samsung screen showing its model, and stay there forever. (at least three hours) While charging it always shows the sign of an empty battery, and goes off once every few seconds.
Huge idea I had "Why not just switch the inside of the working one to the frame of the one with the perfect screen".
So I went to youtube, looked after a video, and found one explaining the process, which is quite simple.
I did It and now the one with the perfect screen still doesn't boot at all, just like before (even with the other's interior). It stays in the same screen forever, and with the same same charging problem.
The second, which supposedly is made with the faulty screen and the faulty interior, does boot after loads of time, but its so slow that it hurts. And by slow i mean, at least half an hour to boot, and totally unusable.
I did reset it to factory with vol up+home+power menu, but i could not even manage to select the language since it only recognised my finger once, took several minutes to pull the language drop-box, and after it did nothing else, like if it crashed.
Why is this happening? I was quite cautious, and both interiors suffered no damage.
From what I can tell, the one that had a perfect screen (with its original interior) seems to have felt in water. At least the interior has a little bit of something white in some part of its frame and in the chips that were there.
But the screen seemed to work just fine, so putting a good interior there should work, no?
Any idea?

Tried switching them back. Everything in the original hardware, but now both have the same non-booting problem.
Not slow boots, no boot at all. It gets stuck in the samsung model image.
Is it possible that some piece of non-working hardware could have damaged the working one? I've been quite cautious, I don't thing that the handling is the problem.
Weird thing is that if the screen, and the board were working, the only thing there that could be damaged were the sensors, either the ones in the screen, or in the shell.

Hi, thank you for using XDA Assist. The purpose of XDA assist is to point you in the right direction to get help on XDA for your problem. Unfortunately there really is no hardware repair section on XDA. You might try ifixit.

jd1639 said:
Hi, thank you for using XDA Assist. The purpose of XDA assist is to point you in the right direction to get help on XDA for your problem. Unfortunately there really is no hardware repair section on XDA. You might try ifixit.
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Thanks for the sugestion.
I didn't knew if it was totally an hardware fault, nor where to ask.
I'll try there

[Completed] Note 4 problem

My note 4 just turned off and now there is nothing, plug it in it wont charge, not even the charge light comes on, tried everything, soft reboot, hard reboot, charging overnite and nothing happens, its a stock SM-N910T model, what i was wandering is if i can replace the t-mobile system board with an international system board and if you guys have any idea were i can get a replacement systemboard from, any help would be appreciated.

Hello,
Welcome to XDA.
Try posting your question in the forum linked below for any help with your device.
http://forum.xda-developers.com/note-4/help
You can buy a phone with the model motherboard that you are asking about on eBay. Find a device that has a broken screen or some other factor that reduces it's price. All you need is for the motherboard to not be damaged.
Remember to register an XDA account so can post and reply in the forums. Good luck.

[Completed] Tablet screen is white and fades into black

I bought a new tablet and the specs were great but there was a problem with it. It kept freezing every now and then. I talked to the seller and he insisted that do an upgrade which I refused to do because it causes a lot of problems. They refused to negotiate anything until I do the upgrade so I did it. Everything went well when I burnt it but once I put the sd in the tablet and the screen turned white then started fading into black around the edges until it all became black. After a while it turned off so I took the sd out and turned it on and I've heard the sound that plays whenever I turn it on but the screen was white and then black just before.
The tablet is on I'm sure of it but the screen doesn't show anything. It's not off though. I mean there's a light coming out of it. I tried the power and volume buttons but when it turns on the screen doesn't show anything.
When I connected the tablet to the computer it was normal. My previous data was deleted which means that the flashing worked I think because it looked like it was formatted. Everything is fine except for the screen.
I'm sorry for the long post but all the other solutions I found were related to dropping the phone or something and even the ones related to the firmware were different. I hope you can help me with this specific case. I can upload photos or a video if that would help.
Thanks in advance.

Hello and thank you for using XDA Assist,
please ask in our Android Q&A section:
Android Q&A, Help & Troubleshooting
The experts there should be able to help you.
Kind regards & good luck
Trafalgar Square
XDA Assist

[HELP] Screen doesn't light up

Hello everyone, I have a problem with the screen, a long time ago a printer tonner hit my screen, it's started to show wrong resolution (no hd) so I send it to change the part that has the problem. They change it and the screen never light up, the phone turn on, the touch screen work perfectly, the sound, all the buttoms but the screen it's black... Only I can see it with airdroid... Someno know what it's happening?. Obviously they doens't charge me the work. I'm from Argentina and the model is C2105, I send the phone to my brother in Spain and there couldn't make it work.

Never gave me an answer

Ferdesor said:
Never gave me an answer
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Maybe no one here had any solution for this issue, because it is a hardware problem, so no one can help in software manner.

Maybe but this thread it's for all the problems I think.

Need help with s7 edge

So I recently got back into my s7 edge because my s8 plus screen broke and I had to order a new one. This is my issue:
I stopped using my s7 edge like 8 months ago because the battery got inflated and the cover came off. I bought a new battery today and replaced it myself. But when I conected my s7 to the charger it just shows a small blue message on the upper left corner "Recovery Booting" It flashes. I can get no commands to work. Ive tried them all. Hard reset, download mode, etc none work. I never did nothing risky on my device. I just used it for whatsapp, messenger, and youtube. My pc doesnt recognizes the phone and It wont power on. Not even to the samsung display logo. It doesnt even show the green battery charging animation (when the phone is off, and charging).
Really hope someone can help me. I really need to fix this ASAP cause of my work.
After some researching I think I might have a hard bricked s7 . I will buy a jig tomorrow. Hopefully that will help

Bloodnofsky said:
So I recently got back into my s7 edge.........
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I don't have this device but, your best bet is to post this question within the following Q&A thread that's specific to your device.
https://forum.xda-developers.com/showthread.php?t=3489011
Good Luck!
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UNLESS asked to do so, PLEASE don't PM me regarding support. Sent using The ClaRetoX Forum App on my SM-G900V device.