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[Completed] [Q] HELP ME PLEASE! Samsung Galaxy S3 Error

I traded my phone for a galaxy s3 yesterday and when i did the master data reset it wouldnt go pastte att boot screen. I used Samsung Kies to try and download the firmware and it just gave me and error message that says "Firmwareupgrade failed". I assume that person that had the phone prior to me had it rooted and when i did the data reset it wiped everything out. I don't know how to fix it. I have already spent hours on it and any help would be appreciated.

Here is a great place to find help for your AT&T S3 issues. s3-att/help.
All the best

[Completed] help with the Android phone samsung s3 Sph l710 T bootloader wrong possible brick hel

hi guys, so today I was Trying to download a new rom for my phone which is Samsung s3 SPH l710 T and I was thinking I was searching online if I had to unlock my bootloader and so at the end of all that I ended up not downloading the ROM. but as for the bootloader I used ez bootloader unlocker something like that and so I unlocked the bootloader but then I reLocked it again. and after that I powered off my phone only to find that when I powered it on again it wouldn't start ! so I searched online and then I figured out that most people say that if you unlock it the bootloader that it would go into a brick a Hard brick Or soft brick I don't know which one but whenever I try to turn on my phone at all.it's not doing anything no signs of life at all on the phone. I tried it all the key combinations for factory reset, download more, all that. but nothing happened. so my question is on my phone would it work if I bought a jig whatever its called and try to force it into download mode? or if I just took it into Samsung service repair and play dumb and say that I don't know why its not turning on all that. so what should I do and if I send it to Samsung repair would they like to try to figure out if he was rooted or not. oh I also just before I turned it off and never turn it back on again I also unrooted it with superuser the one the permanent unroot with one tap thingy. so it should be Unrooted. but I don't know like what I should do if I should use the jig or if I should send it to Samsung repair or what to do! anybody have any ideas please comment please help me cuz I really want to fix this phone. and I'm sorry for the bad grammar and all that cuz I was using Google Voice. so please try to help me Thanks.

Duplicate.
http://forum.xda-developers.com/general/xda-assist/help-samsung-s3-sph-l710-t-smthng-wrong-t3130748

galaxy s3 semi-bricked need help!

bought this second hand verizon galaxy s3 4.4.2, rooted it with towelroot, and flashed twrp using twrp manager and when i tried to boot into recovery, i had a warning sign that software has been tampered with and i should contact verizon for help, i tried to recover using a stock rom with odin but it fails each time, i did some researcch for many hour without success.
sometimes the screen tells me to use software repair assistant, i was able to download it but it never detected the phone, just sits there while phone is connected, btw drivers have been successfuly installed.
i tried kies, didn't work either.
i know now that it had to do with locked bootloader, but this is my first verizon phone.
please any help will be appreciated!

Edit and solved!!!
refer to:
http://forum.xda-developers.com/showthread.php?t=2586319&page=31#post65689151

[[Need help with soft bricked grand prime]]

Version of Samsung Galaxy Grand Prime:Galaxy grand prime s920l
I have a soft bricked grand prime, my reactivation lock was still enabled and it's in a constant boot loop.
I can access the recovery mode, attempted to factory reset, clear cache and restore, which did not work.
I can access download mode and connect to Odin with my laptop, yet I can not find my stock room or anything to restore my phone and take it out of the boot loop.
Please help me with this problem, I can't stand looking at my phone which after paying for everything, service and all cost me close to 300 dollars..

Download Samsung Kies and do a emergency firmware update or something like that. Then put your exact phone model, s/n, and sit back and let Kies do its thing
Sent from my SM-G530T using XDA-Developers mobile app

Negative. It does not support my phone model.

Help with Bricked Verizon SCH-I925

Hello Everyone,
I have a bricked Galaxy Note 10.1 (Verizon) SCH-I925.
The only thing I am able to get to is ODIN mode.
I have downloaded from sammobile; KIES_HOME_I925VRAMK1_I925VZWAMK1_1481643_REV00_user_low_ship.tar
and have tried to load it using ODIN versions 1.85, 3.07, and 3.13. They all come back with a invalid hash error when I try to load it.
I have also tried to use:
BOOTLOADER_ALL_I925VRAMK1_I925VZWAMK1_1481643_REV00_user_low_ship.tar
CSC_ALL_I925VRAMK1_I925VZWAMK1_1481643_REV00_user_low_ship.tar
MODEM_ALL_I925VRAMK1_I925VZWAMK1_1481643_REV00_user_low_ship.tar
PDA_ALL_I925VRAMK1_I925VZWAMK1_1481643_REV00_user_low_ship.tar
These just fail when I try to load.
When I connect my device to my computer, it shows up in device manager as a USB device. Is this correct or should it show as an ADB.
Any help would be greatly appreciated.

Its a USB device .
Hash error bad download first check .Second check wrong firmware/ bricked phone SEE multiple bricked phone posts .
Try KIES recovery .

Will not connect
Tried KIES, both versions, does not connect.
The only thing I can get into is ODIN on the device.
I have read many threads on here but have not seen an answer to unbricking a Verizon SCH-i925 Not 10.1.
Help please.

Awesomeaj said:
Tried KIES, both versions, does not connect.
The only thing I can get into is ODIN on the device.
I have read many threads on here but have not seen an answer to unbricking a Verizon SCH-i925 Not 10.1.
Help please.
Click to expand...
Click to collapse
Do you know anything about how it was bricked? Do you get the Samsung logo if you start it normally? You said only Odin is working, so I guess you also tried the recovery, does it just restart then or what happens in this case?

Don Carnage said:
Do you know anything about how it was bricked? Do you get the Samsung logo if you start it normally? You said only Odin is working, so I guess you also tried the recovery, does it just restart then or what happens in this case?
Click to expand...
Click to collapse
If I start it normally, I get the Samsung screen and then it goes blank. Recovery says "System software not authorized by Verizon Wireless has been found on your device. Please turn off your device and go to nearest Verizon Wireless store for help."
System bricked while trying to upgrade to Marshmallow. What I downloaded said it was for Verizon Model, but as soon as I tried to install the upgrade, that is when it bricked.

Awesomeaj said:
If I start it normally, I get the Samsung screen and then it goes blank. Recovery says "System software not authorized by Verizon Wireless has been found on your device. Please turn off your device and go to nearest Verizon Wireless store for help."
System bricked while trying to upgrade to Marshmallow. What I downloaded said it was for Verizon Model, but as soon as I tried to install the upgrade, that is when it bricked.
Click to expand...
Click to collapse
Just a heads up, no root or custom rom has been created for this specific model. Trust me, I am currently in the same boat as you. I have yet to find a solution.