The UCUBMJ4 Android 4.3 JB for the AT&T Samsung Galaxy Note 2 has been leaked out before the official OTA release. The update would officially be available to all Galaxy Note 2 I317 devices before the end of November. This leaked update would help the beta testers learn about the upcoming features that would be offered in Android 4.3 OTA update. This leaked build for SGH-I317 Galaxy Note 2 is not to be flashed as a stable firmware. Only testers should go ahead to check out the new features.

Device Name:Samsung Galaxy Note II (SGH-I317)

Carrier: AT&T

FirmwareBuild: I317UCUBMJ4

Version:Android 4.3

Changelist: 1882370

Prerequisites to flash leaked I317UCUBMJ4 firmware for Galaxy Note 2:

Create a backup of all important data in your Galaxy device.Download and install USB drivers forSamsung Galaxy Note 2in your computer.Enable USB debugging option by pressingMenu>Settings>Applications. Navigate and tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Ensure that your Samsung Galaxy Note 2 carries more than 80% of charge.

Guide toflash leaked I317UCUBMJ4 firmware for Galaxy Note 2:

Files required:download the stock Android 4.3 firmware:UCUBMJ4Android 4.3. Alsodownload theOdin3 v3.04 for installation fromhere.

Install Odin on your computer and launch it.Switch your Samsung Galaxy Note 2 off and boot it inDownloadmode: press and holdVolume Down, PowerandHomebuttons together.When connected successfully, you will get a message in Odin sayingAdded!!.(In case you don’t get it, try another USB port. If that doesn't help either, then re-install USB drivers).In Odin make sure that theAuto RebootandF. Reset Timecheck boxes are the only options checked and nothing else is.Click onPDAon Odin,locate the firmware file; check everything and hit theStartbutton to initiate the update process.When update installation is successfully completed,on OdinID:COMwill turn green and Odin will show you aPASSmessage.Samsung Galaxy Note 2 SGH-I317 will then restart and you can then disconnect yourdevicefrom computer.