Need Full Guide on Samsung S3 T999L Rooting and ROMing - T-Mobile, Samsung Galaxy SIII

Hello Everyone,
This is my first post on XDA so please guide me
I have Samsung Galaxy S3 T999L which have Android Update 4.3, but now for some reason i want to ROOT it, so please give me full guide on ROOTing it.
Also tell how can i change my ROM to Android Lollipop.
Some Specs about my Device.
Model No :- SGH-T999L
Android Version :- 4.3
Baseband Version :- T999LUVUBNF4
Build Number :- JSS15J.T999LUVUBNF4
Looking forward to see your kind reply

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canadaboy25
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i want to unlock my at&t samsung galaxy note ll 4.4.2 bandband version i317ucucne5

i want to unlock my at&t samsung galaxy note ll 4.4.2 bandband version i317ucucne5
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so can you please help me with my problems
at&t samsung galaxy note ll
android version 4.4.2
bandband version i317ucucne5
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because i like the stock rom and i want to be able to update the phone when a new version come out
Sir,
Please wait until mods will move this thread to the device specific forum.
For reply or more questions please register an account on XDA forums.
Stand by
Good luck
1. Simply buy an unlock code. 2. It's emailed to you. 3. Insert a non at&t sim. 4. Boot the phone. 5. Type in the code. Done!

[Q] Need Help updating sim-unlocked att note 2 to 4.4.2

hey guys, i wanted to update my Samsung Galaxy Note II i317 (AT&T note 2) to 4.4.2 from 4.1.2. its sim unlocked and im using it in UK atm. im not a fan of root and stuff as i can use some apps like my banking apps if i root. so i was wondering if someone could guide me to update to the official 4.4.2 firmware. i looked online to find the file and tru some forums but no luck. the regular way, settings-check for update on phone comes with no results as well
thanx a lot guys
Look here for stock Odin 4.4.2 firmware.
http://goo.gl/IYVW80
And read the Op for instructions ok.

[Q] Is the AT&T Note II impossible to root?

First off here are the current details of my device:
-------------------------------------------------------------
Model Number: SAMSUNG-SM-N900A
Android Version: 5.0
Baseband Version: N900AUCUEOC1
Kernel Version: 3.4.0-4335446
Build Number: LRX21V.N900AUCUEOC1
Knox Version: 2.3​-------------------------------------------------------------
(Sorry I would have posted screenshots but I don't have 10 posts yet.)
I bought the phone with KitKat 4.4.2 and Baseband Version N900AUCUCNC2
Since then it has been updated through:
KitKat 4.4.4 - Baseband: N900AUCUDNJ5
KitKat 4.4.4 - Baseband: N900AUCUDNL1
and now Lollipop 5.0 - Baseband: N900AUCUEOC1​
I carelessly updated my phone via Firmware Over the Air (FOTO) not knowing at the time that it would change the process for rooting the phone later on.
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Some of the things I have tried without success are:
TowelRoot
KingoRoot
Root De La Vega
and possibly a few various other methods.​
It is also possible that I may have done one of the above methods incorrectly, although I tried to follow the instructions as carefully as I could for each tutorial.
I have heard that it is easiest to root this phone while it is at KitKat 4.4.2 and I am curious if there is a way where I could downgrade the Android version and successfully root this phone. But I have also heard that AT&T patched 4.4.2 so that it was harder to root although I am not quite sure if this matters.
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With the 5.0 update comes a fully locked bootloader. ..which means no kernels....ever again. .
Downgrade is not possible to an older version. ..
No bootstrap recovery exists to my knowledge. ..and leaves you with no real root options. ..
Perhaps our devs could find a method. ...but support is not looking good for this older device.
You are locked up tight. ..
Very sorry. ...g
Sounds like you have a Note 3, not the 2.
What he said. Note 2 is i317 and has no lollipops

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