Good news for the owners of Samsung Infuse 4G, a firmware has leaked UCLB3 of Android 2.3.6 Gingerbread, it’s a leaked firmware from official build of Samsung. As I mentioned that it’s leaked firmware so you can expect some bugs, however if you’re interested, see below guide, here’s two method to install it.

DISCLAIMER: The below method is bit risky and we will not be held responsible if you lose data or your device gets damaged in the following of this guide so please proceed at your own risk.

Install Using Odin3

This guide is for AT&T Samsung Infuse 4G SGH-I997, please use PC running Windows OS, please make a backup of device data such as internet setting, sms, music file etc and Samsung USB drivers should be installed get 32-bit Windows or 64-bit Windows. Please disable Samsung KIES, antivirus program and other firewall.

Step #1: First download the UCLB3 ROM to PC and extract the ROM ZIP archive file. You will get two files but only the I997UCLB3-Homebinary.tar.md5 will be used.

Step #2: Download Odin3 v1.7 to PC.

Step #3: Turn the device off and reboot into download mode, do it: hold both the style=”font-style: italic;”>Volume Up and Volume Down buttons together as you plug the phone into the PC via USB cable.

Step #4: Now open Odin3 and you will see a message saying “added” in the message box in the lower left corner.

Step #5: While in Odin3 click on the PDA tab and select I997UCLB3-Homebinary.tar.md5.

Step #6: In the Option section in Odin3, check Auto Reboot and style=”font-style: italic;”>F. Reset Time and leave the rest unchecked.

Step #7: Now press the Start button in Odin3 to begin flashing the firmware to your phone.  If successful, you will see a “PASS” message with a green background in Odin3. Device will automatically reboot upon successful flashing of the firmware.  Disconnect your phone from the PC after the phone has completely rebooted. That’s it!

Installing Using Heimdall Suite

It’s for rooted AT&T Samsung Infuse 4G SGH-I997, latest JAVA should be installed on PC and latest version of Heimdall Suite too set it up properly on your computer, including setting up the drivers.  Check the accompanying documentation in Heimdall for more info. Please make a backup of device data such as internet setting, sms, music file etc and disable antivirus program and other firewall. Don’t run any app during installation.

Step #1: First download the Heimdall-flashable JAR file containing the UCLB3 firmware from here, orhere, or here (Stock_SGH_I997_UCLB3_Repartition-One-Click.jar, 206.6 MB)

Step #2: Open Heimdall.  The procedure for doing this will depend on your computer’s OS.  (For example, on Windows machines, you’d need to run heimdall-frontend.exe.)

Step #3: Turn the device off and press and hold down both the Volume Up and Volume Down buttons as you plug the phone into your PC via USB cable.  This will put your phone into download mode.

Step #4: if Heimdall successfully detects your phone, it will show “Connected” in the Device Status.  The Flash bar will also turn on, which means Heimdall is ready to flash firmware.

Step #5: Load Stock_SGH_I997_UCLB3_Repartition-One-Click.jar into the Load Package tab in Heimdall.

Step #6: Now click on the Flash tab and press the Start button in the Flash tab. Upon completion of the process, your phone will reboot automatically and the ATT logo will be displayed before booting into UCLB3.

If the process fails, just put your device again into download mode. Then what you have to do is to flash the package again and this time check the “Flash Bootloader” box in Heimdall. That’s it enjoy!

SOURCES: XDA DEVELOPERS FORUM – XDA DEVELOPERS FORUM And Via: androidauthority

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