Pls help me to "unbrick" Samsung tab 3 7" - Galaxy Tab 3 Q&A, Help & Troubleshooting

I am trying to fix a tablet for a friend, but I think I am in over my head.
This SM-T210 is stuck on the bootlogo and does not switch off; when I disconnect the battery and connect the device to my computer, it autostarts into the samsung logo again. It does not get "recognized" by windows, even with drivers preinstalled, so KIES does not "see" the tablet. I cannot get into recovery mode. There is a plusside: I can get into Odin, but like I said, Windows does not see the device.
Is it possible to fix this tablet and how?

Odin does not recognise it? Reinstall Samsung and Android drivers.

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[Q] Galaxy Ace II cannot be detected by PC (XP/W7/W8)

Hello, I'm the new guy, kind of (I'm new to this forum but somewhat a technological handyman, so to speak).
I had recently obtained a Samsung Galaxy Ace II, everything was going good on the phone, hell, it's what? Two years old now? Anyway, I noticed the immense trouble I've been having trying to get several Windows PCs/laptops to detect anything from the phone, no driver updates, installations, not even from the trustworthy SAMSUNG Kies application. It is becoming a real problem as I really want to keep this phone, root it, installing several ROMs as I go along, but no, the computers won't even allow me to access the contents of my SD card through USB.
(Note: I have manually downloaded and installed SAMSUNG USB drivers and pooft, still nothing!)
I have tried quite a few methods to allow the PCs to establish a connection with the phone e.g. Dialing "*#7284#*, accessing "PhoneUtil", choosing "PDA" as the good mode, even switching to "MODEM" then back to "PDA"; Uninstalling/Reinstalling drivers; Attempting Kies.
I guess I am on the look out for a new-ish phone to replace this, which saddens me as I love being able to root, install various ROMs, Kernels etc, personally I like this phone too, more than my Spica running ICS (couldn't be too hard though, it wasn't stable whatsoever).
If anyone on this board could find a solution to this problem for me, I would be ever so grateful, I don't doubt it though, I love the work of XDA. Thank you.
Turn off the phone with no cable attached, press volume down, home and power at the same time and then volume up to put it in ODIN mode and connect it to the PC (use windows vista or newer so it auto installs the driver) It should install something like Samsung USB serial device. Tell if it works
Do I have to load it into ODIN mode whilst Odin is running on my PC?
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RyanCM said:
Do I have to load it into ODIN mode whilst Odin is running on my PC?
Click to expand...
Click to collapse
For this test you dont need ODIN on the PC. Its only to see if the PC recognizes the phone
Porobu said:
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For this test you dont need ODIN on the PC. Its only to see if the PC recognizes the phone
Click to expand...
Click to collapse
I just tested this and it appears not to be working, whatsoever. Is it necessary to have all SAMSUNG USB drivers installed on the PC?
Thank you for the idea, though. I just really want to root/mod my phone, ugh.
RyanCM said:
I just tested this and it appears not to be working, whatsoever. Is it necessary to have all SAMSUNG USB drivers installed on the PC?
Thank you for the idea, though. I just really want to root/mod my phone, ugh.
Click to expand...
Click to collapse
Windows should auto install the drivers. Connect the phone to the PC and see in device manager if there is something like an unknoen device or Samsung USB device
Porobu said:
Windows should auto install the drivers. Connect the phone to the PC and see in device manager if there is something like an unknoen device or Samsung USB device
Click to expand...
Click to collapse
Thank you for the help, although my problem is not dealt with still. I have completed the steps that you had suggested, thoroughly and repeatedly, yet there is no hope for a permanent, or even temporary fix for my mobile.
Windows isn't displaying any correlation between my PC and phone, no driver software auto-installs and no sign of the device being located in the Device Manager, not even under an "Unknown device".
Is this a problem for most Ace II devices? Or am I missing something that is too obvious to consider so seriously?
Porobu once told me something like:
1. Uninstall kies and sammy usb drivers
2. Install kies again, it should promt to install USB drivers.
3. Plug in phone to pc in DL mode.
I'm not sure what you mean in your 1st post so im assuming you have yet to try this. Works for me
When do I plug the USB into the phone and boot my phone into download mode? As soon as the drivers are installed via Kies?
RyanCM said:
When do I plug the USB into the phone and boot my phone into download mode? As soon as the drivers are installed via Kies?
Click to expand...
Click to collapse
After kies installation complete(dont have to open), boot phone to download mode, connect to cable and plug to pc
It sounds like a broken microusb port but try something first.
Download ubuntu or any other live cd linux distro
Boot it on your pc. You dont need to install anything.
Open a terminal
*Plug the phone while it is turned on to the PC
Write in the terminal 'lsusb' without the quotes and press enter
Something like Samsung android device or MTP device should appear.
If it doesnt appear power off the phone and go to odin mode and repeat from the * the steps

cannot connect to pc anyway, please please help.

Hello
I upgraded to windows10 and now both my tablet (Note 10.1 2014) on lollipop and phone (note 3) on 4.4.2 does not connect to my laptop at all.
I've tried everything. There is no more options choice under storage menu anymore either on tablet or phone.
I've installed koush universal drivers, then tried samsung updated drivers. Nothing.
The drivers dont show up anywhere, when I connect either device via usb, nothing happens. Windows does not look for any drivers.
I also have samsung kies installed, and that also does not connect to either device.
Please Please help, as this is very important for my work.
thanks

my pc do not recognize my s3 in downloadmod

sorry for the english is cause im from mexico.
i have a problem with my s3
i got some ad apps installed in my phone, so i just made the factory reset, but now when i turn on the phone doesnt pass the samsung logo.
then when i put it in downloadmod my computer doesnt recognize it
it only charges.
HELP
bnnhi said:
sorry for the english is cause im from mexico.
i have a problem with my s3
i got some ad apps installed in my phone, so i just made the factory reset, but now when i turn on the phone doesnt pass the samsung logo.
then when i put it in downloadmod my computer doesnt recognize it
it only charges.
HELP
Click to expand...
Click to collapse
sounds to me like there would simply be no drivers installed for your S3 on PC...
http://www.mediafire.com/download/k93a92c9rpyg4r5/Samsung-Usb-Driver-v1.5.55.0.exe
download this file, install it then you would be able to go into Download mode and be recognized by PC...
If you are on a windows machine, does a new device appear in Device Manager when the phone is connected in download or recovery mode?

Can't load recovery on TabPro 12.2

I want to upgrade my tablet with Lineage OS 14.1, so first i have to install a recovery.
My tab sm-t900 is original with android 5.1 on it and it has become slow.
When the tab is turned on, it's recognised by my windows 10 pc and odin. When the tab is in download mode, it's not recognised by my pc, so also not in odin.
I use the original Samsung cable and tried other original ones. I tried uninstalling and re-installing kies. I installed the latest windows 10 drivers for the tab, which i downloaded from the samsung page. I have enabled usb debugging in developers options.
I tried it on a windows 8.1 laptop and on a windows 7 pc with all the suggestions i described, but i can't get it to be recognised when in download mode.
I noticed the blue line 'secure download : enabled' in download mode and wondered if that may be an issue?
I have searched for a long time by now and don't know what to do anymore. Does anybody have a suggestion? Am i missing something?
It seems like my problem is the locked bootloader, but i can't figure out how to unlock it. In developers options there is no option to uncheck OEM.
How can i see if i have the lollipop bootloader?

Problems on Galaxy Tab 3 Lite [SM-T110]

Hello guys,
The tablet is stuck on boot, I can access the bootloader but can't use Odin for some reason, it simply doesn't recognize the device. I can't access recovery mode either, it simply says "No Command" and re-boots. What can I do?
Is your device visible in Device Manager? Reinstall your Samsung and Android drivers.

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