I had the same problem. This worked for me. THIS ALSO WORKS FOR SAMSUNG GALAXY S2 4G T Mobile
Here are the steps. I will provide a link at bottom for files.
Make sure you have correct Stock TAR for your phone ( SGH-I727 | SGH-I727R) Mine was SGH-T989 -Stock
Here is original link to post that helped fix problem -
http://http://forum.xda-developers.com/showthread.php?p=20311335#post20311335
If you happen to have a soft-bricked Rogers Galaxy S II or Galaxy S II Skyrocket or perhaps you only want to go back to stock state, you may follow the guide to unbricked and revert Galaxy S II device to stock state below. However as usual before you continue to the requirements and instructions you need to remember that we are not responsible if your device gets damaged by following the guide, so follow at your own risk.
Requirements:
* ODIN 1.85.
* Samsung USB drivers.
* Stock TAR for SGH-I727 | SGH-I727R. Or SGH-T989 (Link at bottom)
Instructions:
1. First step is to download the tar file onto your PC.
2. Once done, run ODIN on the PC.
3. Then, in ODIN, hit the PDA button and browse to the .tar file already downloaded. Select that file.
4. Now, check the Auto-Reboot option only. Make sure Re-Partition is unchecked. (Important!),
*** <NOTE>*** ( My Phone was Stuck on Firmware update screen no matter what i did. i could not get into download mode but this worked anyway as long as ODIN can detect your phone.) (Yellowed rectangle COM Message in ODIN shows Phone Connected, So Don't worry about getting into download mode in (Step 5).
5. After that, turn off the device and enter download mode by pressing and holding the Volume Down + Power + Home Key for a good 3 seconds.
6. Once you’ve entered download mode, (See Note Above) connect the device to the PC.
7. Last step, hit Start and wait for the process to complete. Once the process completes, the phone will reboot.
There you go! If you follow the steps correctly then now your soft-bricked Rogers Galaxy S II or Galaxy S II Skyrocket device should be unbricked and revert back to stock state. You can head directly to the forum thread at XDA-Developers posted here for updates and discussion, enjoy.
ODIN 1.85 -
Odin 1.85 - Download
Samsung USB Drivers -
T-Mobile_t989_GSII_ADB_Drivers.zip
Stock TAR for SGH-I727 | SGH-I727R. -
http://k0nane.info/rom/SGH-I727-UCKJ2-k0nane.7z and
http://k0nane.info/rom/SGH-I727R-UCKJ2-k0nane.7z
SHG-T989 - stock boot.img file if that's what you're looking for -
SGH-T989-Stock-UVKID.tar
Let me know if this helps. Worked for me.
I tried to upload the Original Stock SHG-T989 Stock ROM but because i'm a "noob" here it wont let me so down load from link.
Please let me know if this works...Thanks.