[Q] samsung s3 boot loop, will not connect to PC - Galaxy S III Q&A, Help & Troubleshooting

Hello People
Im in need of your help please!
The other night my battery went dead on my Samsung galaxy S3, after charging it fully, i tried to turn in on. However it was stuck in boot loop
So far i have tried everything, Ive tried
factory reset
clearing cache
putting it in download mode
taking the power button out
I downloaded kies and Odin to try and put the new firmware on, however my phone will only charge through the USB port and keeps saying windows does not reconigse the device as it is malfunctioned. I have installed all the drivers, tried computer at work, tried a different lead, but nothing!
Can anyone help me, are you able to put the firmware on through SD card as there is no way of me getting into the phone!
Thanks in advance!

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[Q] Help with usb problem.

Yesterday i downgrade from froyo 2.2 to 2.1 on my galaxy vibrant using odis, everything went ok, but when I try to connect again whit my computer the phone keeps turning off, even if I only connect to the charger the phone keeps turning off, can anyone help me?
odin back again ? can phone boot up to download ?
I try 3 times, my phone still boot on download mode, the problem is when I connected to my charger or my pc, the phones turn off? I´m afraid to ran out of battery
any one can help?

[Q] how do i save my phone? stuck in empty battery screen

i was previously using this rom, [ROM][MIUI][21/10] cMIUI 2.10.19 [4.1.2][AOSP][OTA][Aroma][Multi][Super Stable] and tried to flash it back to the stock rom (DXLPB).
i used odin to flash it back and apparently the operation failed and i got into the screen where it shows the "firmware upgrade had encountered an issue...." message.
when i tried flashing the rom again the operation always fail because the usb keeps disconnecting every 20 seconds and connecting again.
so i tried flashing the rooting file ( the one that i used to flash in odin in order for it to root ) and this time my phone went into recovery mode.
i cleared the cache and wipe the phone data and rebooted it.
apparently the phone doesnt go into any screen anymore other then the empty battery icon when i plug it into the com. if i unplug it, the phone will be stuck in the same screen until i take out the battery.
usb is not detected, odin not detected also.
i cant switch it to download or recovery mode either.
i tried using the heimdel package but it wouldnt work because the phone cant be detected either
is there anyway to save my phone??
please help! thanks in advance.
i tried getting it into download mode and the screen shows "LOW BATTERY!! CAN'T DOWNLOAD!" screen. unfortunately, i cant seems to charge my phone also. plug into the pc and charger for hours, doesnt seem to charge. its not the cable's fault. i got many cables, tried all of them. any help??
Try another battery (best charged). If you have an old backup use it.

[Q] Galaxy GT-n7000

Hi Please help.
I had jellybean running on my phone flashed with philzcwm and did it wit Odin. My phone crashed so i did a factory restore from it now its suck in this mess. (Volume up+Home+Power) and wont read SD card and hangs on this image.messages. Volume down+Home+Power displays Odin mode to download And hangs on this image. Windows 8.1 will not detect phone at all ive tried downloading all drivers needed and still not working. Ive tried different SD cards and USB cables Front and back.

samsung mega 6.3 gti9200 brick

hello,
i have a SGMega GT-I9200 which is bricked... if i try to open recovery it shows a black screen and the phone is in bootloop... i can open download mode but odin always get stuck on initializing.. i tried to flash cwm recovery and an official software.. it's my friend's phone so i don't know what happened to it but it is not rooted... the phone was working normally but suddenly it got into bootloop.
i spent a lot of time googling my problem and tried changing ports, installing drivers, changing the computer, trying different odin versions, uninstalling kies, and removing the battery but nothing worked. What should I do?
please help and thanks alot. :fingers-crossed:

Galaxy s6 active SM-G890a constant boot loop, cannot access recovery mode.

The phone has successfully been flashed with a few different firmwares since the bootloop started occurring. the phone will only power on when the cable is plugged in but it will show the samsung screen and then start the "Installing system update" screen and then instantly go to "No command" and then boot back to the samsung screen to repeat the process. download mode is accessible but i cant get into recovery mode to reset the cache or perform a factory wipe.
The cable is fine and the usb port on the phone let me flash software via odin so i don't understand why it only powers on with a cable plugged in.
Could this be a battery issue? i'm very new to this website and the software end of phone repair stuff so any help is greatly appreciated!
i'm currently running 7.0 firmware G890AUCS7DRF2 from boxwares but the bootloop has been occurring since before i even tried to flash anything.
Also, all of my drivers seem to be up to date so i don't think that's posing any issues.
Thanks so much in advance!
Hi , try to clean the charging port of your phone with 100% alcohol and with clean toothbrush also you can use needle to clean the usb port contact.
Another what you can do is to put your phone into the charger for abot 30 minutes and see if your phone is become to hot on the back side what can be sign of bad charging port or probably dead battery .

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