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

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

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[Completed] Need Help Fixing my Semi-Bricked Galaxy S5

EDIT: See bottom of post
Hello everyone, and thanks for taking the time to attempt to help me.
Earlier today, my T-Mobile Galaxy S5 updated to 5.1.1. I searched google and came across a few links on how to root my phone (G900T) - The one I ended up using was CF-AutoRoot
I used Odin 3.07, used the tar5 file from that site above where I downloaded the root, and attempted to root the phone. Odin says everything worked as planned ''passed'' was displayed with 0 fails. I waited about 20 minutes, but my phone never rebooted, it was stuck in a boot logo loop ' 'Samsung Galaxy S5 powered by Android'' or ''T-Mobile'' was displayed.
I tried going into recovery and reseting all data / factory wipe but that didn't help, and made it even worse. Now my phone says this when I try to turn it on: ''Firmware upgrade encountered an issue, Please select recovery mode in Kies and try again''
How do I go about getting back to stock firmware , that is rootable, so I can then proceed to install CyanogenMod?
EDIT: I used Kies and was able to get back to stock firmware and the phone turns on.
Can anyone recommend a reliable root for the G900T S5?
FreakLikeChewy said:
EDIT: See bottom of post
Hello everyone, and thanks for taking the time to attempt to help me.
Earlier today, my T-Mobile Galaxy S5 updated to 5.1.1. I searched google and came across a few links on how to root my phone (G900T) - The one I ended up using was CF-AutoRoot
I used Odin 3.07, used the tar5 file from that site above where I downloaded the root, and attempted to root the phone. Odin says everything worked as planned ''passed'' was displayed with 0 fails. I waited about 20 minutes, but my phone never rebooted, it was stuck in a boot logo loop ' 'Samsung Galaxy S5 powered by Android'' or ''T-Mobile'' was displayed.
I tried going into recovery and reseting all data / factory wipe but that didn't help, and made it even worse. Now my phone says this when I try to turn it on: ''Firmware upgrade encountered an issue, Please select recovery mode in Kies and try again''
How do I go about getting back to stock firmware , that is rootable, so I can then proceed to install CyanogenMod?
EDIT: I used Kies and was able to get back to stock firmware and the phone turns on.
Can anyone recommend a reliable root for the G900T S5?
Click to expand...
Click to collapse
Hello and thank you for using XDA Assist.
It's good to hear that you managed to revive your phone. Many of us find it convenient to install a custom recovery such as TWRP which makes backing up and restoring, switching ROMs, and many such activities much easier. XDA happens to have an active and friendly area dedicated to the Samsung Galaxy S5, and specifically to the T-Mobile version at http://forum.xda-developers.com/tmobile-galaxy-s5. I suggest you search that area or simply post your question in the Q&A forum there at http://forum.xda-developers.com/tmobile-galaxy-s5/help where our experts will be most likely to be able to guide you.

T815 random reboots, help please...

Hey guys,
Just got a beautiful galaxy tab s2.
Since sunday, my tablet keeps on restarting itself randomly with no specific reason i can think of. Offre course this really drives me nuts, even tried to hard reset it but still randomly rebooting.
Tab is completely stock, running on latest 6.0.1 firmware, MMB29K.T815XXU2BPD6...
Anyone can help please? Really want to avoid sending my device in for warranty as here in Italy it would take ages to come back :crying:
Thanks
Anyone can help :crying:
I've even restored via PC with smartswitch but still same problem occurs...
Did you ever fix it?
this is a Samsung Galaxy Tab 2 forum not the s2 forum
check your devices forum

Soft bricked sprint samsung galaxy s7

Hello, I tried to root my Samsung Galaxy S7 and it was stuck in a boot loop so I tried flashing the stock firmware back onto it and after trying that I got and error saying "An error has occurred while updating the device software. Use Emergency recovery function in the Smart Switch PC software" and when I go to the Samsung switch software it doesn't work.
I don't know what to do Can someone please help me out? I just got this phone and I am pretty down about this happening it's the first time. :crying:
Update: I ended up solving the issue please delete this thread
Never mind I solved it

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