[AT&T Samsung Galaxy S II SGH-I777] mr-cook:
DO NOT USE ANY THIS!!! PLEASE REFER TO POST 1...

THIS IS ALL OUTDATED, AND ONLY AVAILABLE FOR INFORMATIONAL PURPOSES!!!

CWM (outdated)

-Odin flashable thanks to cynnar- http://db.tt/x0oAcEsg

-Put your phone in Download Mode --Power off, Hold volume down button, Plug in USB connected to computer, Hit volume up when prompted

-Open Odin folder, Click Odin3 v1.85.exe, With your phone connected the box under ID:COM should be yellow (if it's not you missed a step earlier), Click PDA, Select the file you downloaded earlier, DO NOT TOUCH ANYTHING ELSE- MAKE SURE AUTO REBOOT AND F. RESET TIME ARE THE ----ONLY----- THINGS CHECKED----- AND RE-PARTITION AND FLASH LOCK ARE ----NOT---- CHECKED....., Press Start (It will take a few minutes to load everything do not touch your computer or the phone during any of this, after the phone re-boots it may take a few minutes to load back up leave it alone until it has fully started up and at the home screen). You should get a green PASS message in the top box.

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ROOT (outdated)

-Download and install Samsung Drivers- http://www.samsung.com/us/support/owners/product/SGH-S959ZKATFN

-Download Odin 1.85- View attachment 1605837

-Download DD_01232012.tar (it's the top one) From here Courtesy Entropy512- http://xdaforums.com/showthread.php?p=18129028

-Download SuperOneClick- http://xdaforums.com/showthread.php?p=8532790

-Put your phone in Download Mode --Power off, Hold volume down button, Plug in USB connected to computer, Hit volume up when prompted

-Open Odin folder, Click Odin3 v1.85.exe, With your phone connected the box under ID:COM should be yellow (if it's not you missed a step earlier), Click PDA, Select the (DD_01232012.tar) file you downloaded earlier, DO NOT TOUCH ANYTHING ELSE- MAKE SURE AUTO REBOOT AND F. RESET TIME ARE THE ----ONLY----- THINGS CHECKED----- AND RE-PARTITION AND FLASH LOCK ARE ----NOT---- CHECKED....., Press Start (It will take a few minutes to load everything do not touch your computer or the phone during any of this, after the phone re-boots it may take a few minutes to load back up leave it alone until it has fully started up and at the home screen). You should get a green PASS message in the top box. (installing this custom kernel WILL give you the YELLOW TRIANGLE boot screen, we can get rid of that later if it bothers you)

-Open SuperOneClick folder, on the phone go to Setting- Applications click Unknown sources- then Development click USB debugging, Connect the phone to the computer, Click on the runme.bat in the SuperOneClick folder (I used the one from DOOMLORD EASY ROOTING TOOLKIT- http://xdaforums.com/showthread.php?p=18805532 SuperOneClick may be a little different, if it is follow their instructions on the page) , ----Follow the instructions on the pop-up window.

-CONGRATULATIONS you should now have root.

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ROOT- Root zip flash through CWM thanks to cynnar- http://db.tt/U6KFahMr

Sent from my SGH-S959G