my phone wont respond - AT&T Samsung Galaxy S8 Questions & Answers

So recently I needed a new battery and screen. I fixed them. The phone worked fine. I went to plug it in and it says it's fast charging but it just slowly dies. Now it's completely dead and won't turn on or do anything if I plug it in. This is over the course of a few hours. Please help

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HELP battery 100% dead, wont charge!

i was working today and the phone died on me. Havent charged it in days. I came home, tried to turn it on real quick, and it turned on and then off before it booted up, then i was like ah hell ill plug it in. plugged it in it started to boot so i went to wash my car. hour and a half later i came back to grab my phone and its dead. no light, no anything, just dead, unplug it, tried to start it. dead. nothing, no light. I thought ok, cable broke. so its plugged into my laptop via usb and still dead. any ideas? its flashed with wm6 im leaving the country monday and i need this working!!!
I've had this problem before. I just left it plugged in and eventually (after a few hours) it started charging.
Are you using the original MDA charger? I had a similar problem when using a motorola charger...

[Q] Phone suddenly went dead (latest MIUI 2.6.35 kernel)

My phone just went dead yesterday, while playing tiny tower. Suddenly turned off, and would not turn back on. When I connect the charger, the led in in the speaker blinks. When the charger is not connected, the phone is completely dead. And it does not respond to anything either way. I don't know if this is rom related. Probably not? I'm thinking returning it to the shop, and hoping for the best is my only option, unless someone here has a better idea.
Update: I tried turning it on, connected to the charger, but without the battery in. It starts. So I guess the battery died? Suddenly and completely?
What happens if you turn it on without battery in and then insert battery?
Mine did a similar odd thing when I first wiped battery stats. Was playing angry birds to drain battery right down and it turned off, but would not start. LED just blinked when power was in. I just had to plug it in and unplug it a bunch of times and it finally started charging.
I did wipe battery stats last week, but have been through a few drain/recharge cycles since then. When I start with the charger connected and insert battery it gets past the boot animation and then shuts off. I tried with a different battery yesterday, and it worked fine. When you say plug it in and unplug, do you mean connecting and disconnecting charger, just repeatedly?
yeah, was just plugging and unplugging a lot and it finally worked. If another battery worked then that would seem to be the fix.
Will try that. Thanks!
Managed to get it to start by putting the battery in after starting with just the charger first. Had to try a bunch of times before it worked. Been charging now for 5 hours, but it never gets past 10% charge on the battery? Do I just let it keep charging or is there some other way to fix it?
That happened to me in the day I bought my phone. It only started with the charger plugged in (and with no battery).
I thought the problem was in the battery, but in the store they tried with a new battery and the phone did not connect. So they replaced and everything is fine (since September).

[Q] Mytouch 4g died in sleep?

So, this phone was working without any problems but then my wife turned it off and left it in the drawer for about 3 weeks when she went overseas. When she got back and tried to turn it on it wont turn on. We figured it might have drained the battery so we plugged it in but now its not charging either! When I unplugged and plugged in, the LED blinked orange once but now it wont even do that either, no power, no LED, not charging either. I have tired everything, left it disconnected, battery out for an hour, then put it together and tried to charge, still nothing.
Any ideas? It is already out of warranty so talking to T-Mobile is out of question.
Nothing has been done to it, it is physically fine, it was just off for a long period and not it just wont respond.
Edit: Fixed it! I don't know what, I was almost giving up, but I took the battery out and blew hard on the battery contacts in the phone and in the charging port then plugged everything in and put it back on charger, orange light started to blink and then went solid and now its charging. I just turned it on. This phone is dodgy, no other phone hard bricks like this if you leave it off.
Some phones don't function with completely discharged battery. Actually, most of newer phones. You need to leave the battery inside and the phone connected to charger for some time, till the charging light shows up. MT4G is very far from being "dodgy", doesn't differ from many other phones that behave the same, and you were nowhere near "hard brick".
Good luck in powering up Motorola Defy with completely discharged battery.
Recoverable problem
syl0n said:
So, this phone was working without any problems but then my wife turned it off and left it in the drawer for about 3 weeks when she went overseas. When she got back and tried to turn it on it wont turn on. We figured it might have drained the battery so we plugged it in but now its not charging either! When I unplugged and plugged in, the LED blinked orange once but now it wont even do that either, no power, no LED, not charging either. I have tired everything, left it disconnected, battery out for an hour, then put it together and tried to charge, still nothing.
Any ideas? It is already out of warranty so talking to T-Mobile is out of question.
Nothing has been done to it, it is physically fine, it was just off for a long period and not it just wont respond.
Edit: Fixed it! I don't know what, I was almost giving up, but I took the battery out and blew hard on the battery contacts in the phone and in the charging port then plugged everything in and put it back on charger, orange light started to blink and then went solid and now its charging. I just turned it on. This phone is dodgy, no other phone hard bricks like this if you leave it off.
Click to expand...
Click to collapse
Had a similar problem. Phone died while using it then wouldn't light up when plugged in. Left it plugged in for half an hour wouldn't seem to charge via wall or car charger. Tried doing a hard reset with/without the battery & plugged in/not plugged in in various combinations. Got nuthin. Drove around for hours looking for a replacement or open T-Mobile place, until it got too late and I went home. Live chat with T-mobile rep was a waste of time. Plugged it in the wall and left it, as this once brought back a G2 battery that I thought was cold dead. Five hours later it was lit up and charging, showing 40% charge on the battery indicator app once I turned it back on. "HTC Sense" crashed immediately on boot then recovered. Seems to be fine so far.
- Suggestion; plug it in and leave it overnight if it seems cold dead and doesn't appear to be charging. It seems to need to hit some critical threshold before it will work again (as indicated by previous poster). Also pick up a couple spares off amazon or newegg if you don't have a second phone available.

[Q] Bricked?

Hey all.
So I have an s4 that was running safestrap and hyperdrive. It all worked fine and I was having no problems. The phone froze (programs not responding, not a big deal.)
I did a battery pull and then the phone would not turn on again. When I put the battery in, it turns on for about 5 seconds. I managed to get it into recovery and download mode, however it turns off almost as soon as I get there. I checked with a different battery, but nothing.
I would ODIN it and everything would be fine, but it won't stay on long enough for my computer to even recognize it.
Also, I tried leaving the phone on the charger overnight, but it won't charge the battery or show the red LED. I felt for heat to see if it was hot around the usb/charging port but it wasn't.
Any ideas?
I'm sure you tried this, but did you try to use the USB cord to power and not rely on the battery?

S7 Edge - Only charges VERY slow in download mode (not recognising USB)

Hi all, and merry Christmas to everyone.
My S7 edge has started to cause problems with charging up, for some reason when phone is turned on, it will not recognise the USB cable. - I have tried a different cable and plug and it still does not work.
When my phone is turned off, each time I plug in the cable I get a battery with a white lightning symbol and then it just goes off nothing shows as charging . So I suspecting the USB port is OK?
I have erased Delvik cache and erased data this does not change anything.
I do however get VERY VERY slow charging when I leave my phone is download mode.
Anybody got any ideas on what to try before I end up getting back in touch with vodaphone?
Thanks all.
UPDATE :
My phone is now completely dead on 0% battery. When I try to turn on the phone nothing happens as expected with 0% battery.
If I then plug in my charger, I get the lightning symbol for 3 seconds and then it goes off. It gives it some kind of a "charge" and I can turn on my phone.
Once it boots back up, their is no indication to say my phone is on charge and the 0% stays their with a red explanation mark and then my phone turns off. back to the stage I cannot turn it on unless I replug the charger cable and then it goes back in the loop.
sounds like the battery has failed.
check your usb plug if theres any missing pins.
Have you tried using a different charger or charging from a PC USB port ?
Looks to me as if it's your charger or your battery which is faulty.
Yes, I have tried a different Plug and lead we have several in the house. too many samsungs haha.
Sounds to me the battery is faulty as well :/ . Im curious as i thought if the phone is plugged in maybe it should stay on and if i then unplug the phone it would turn off instantly?
I contacted vodaphone , i need to pop into their shop on Monday (i think their open) . they have their own repair center in store which sounds good so no need to send phone off for a repair and they give your a courtesy phone to use as well. If they cannot repair it i should be entitled to a replacement.
Worst thing about these phones when you cannot take battery out :/
Thanks Guys . Hope you all have a nice Christmas Day and get what you all ask for !
on 2nd thoughts,
Although this sounds like a battery issue, of course my phone is totally dead wont turn on. but when i plug in my phone to either, the wall or PC. it will turn on and then back off as if the battery has just died.
If i plug the phone into my PC in DOWNLOAD mode, the phone will stay on but my computer doesn't even respond as if nothing is plugged in. This tells me the problem may be more than just battery?
Just a thought.

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