Get ICS Android 4.0 on T-Mobile Galaxy S2 With Cool 14 Toggles Mod

The leaked Android 4.0 Ice Cream Sandwich UCALC4 firmware for AT&T’s Samsung Galaxy S2 Skyrocket resulted in another ICS ROM for its cousin from T-Mobile. The ICS Megamix 4.0.3 custom ROM brings Android 4.0.3 Ice Cream Sandwich with 14 Toggle Notification Bar to the T-Mobile Samsung Galaxy S2 SGH-T989.
XDA Developers member jim93 created this ICS ROM which is based on the Android 4.0 Ice Cream Sandwich UCALC4 firmware leak for AT&T’s Samsung Galaxy S2 Skyrocket. Aside from the 14 Toggle Notification Bar mod, the ICS Megamix 4.0.3 ROM also removes some of the bloatware found in AT&T’s UCALC4 firmware.
This ROM will also let you enjoy Android 4.0.3 Ice Cream Sandwich on your T-Mobile Samsung Galaxy S2 (T989). Read on so you will learn how to install the ICS Megamix 4.0.3 ROM into your T-Mobile Samsung Galaxy S2 (T989).

Warning

• We will not be held liable for any damage to your phone. Use the flashing instructions at your own risk.
• The ROM is still in beta, so expect some bugs when you flash it to your phone. Users report that issues with auto-rotation have been observed after they flashed the ROM.
• This flashing guide is only compatible with the T-Mobile Samsung Galaxy S2 (T989). Using this guide on another device may cause damage.

Requirements

• A rooted T-Mobile Samsung Galaxy S2 (T989) with ClockworkMod Recovery installed. You might want to check this guide on how to root your phone.
• The flashing procedure will wipe the data on your mobile phone. It would be wise to create a backup of your phone data and transfer all files to the phone’s SD card.
• Maintain battery power of at least 50% to ensure your phone lasts throughout the entire procedure.

Instructions

Note: From the steps below, you will notice that you will repeat wiping the data from your mobile phone. Developer jim93 suggests that these steps are precautionary methods to ensure a clean installation procedure if you came from a Gingerbread ROM. If you came from a leaked ICS ROM, wiping the data and Cache once and flashing the ROM will suffice.

1. Download the ICS Megamix 4.0.3 package from here (icsmegamixv1.22.zip, md5sum: 497b85463c204e72773f7780125b7ee) and save the file to your computer.
2. Download DARKSIDE.SUPER.WIPE 2.8.2012 from here (DARKSIDE.SUPER.WIPE_EXT4.zip, md5sum: e5d6ee0441fb4d258d8b5d72509a6da9) and save the file to your computer.
3. Connect your T-Mobile Samsung Galaxy S2 (T989) to the computer via USB cable.
4. Transfer the ICS Megamix 4.0.3 and DARKSIDE.SUPER.WIPE files to the phone’s internal SD card.
5. Disconnect your phone from the computer.
6. Turn off your mobile phone.
7. Reboot your T-Mobile Samsung Galaxy S2 (T989) into Recovery Mode. You can do that by pressing the Volume Up key, Volume Down key, and Power button simultaneously until Recovery boots. NOTE: Once booted into Recovery, you will be using the Volume keys to navigate and the Power/Home button to select an option.
8. In case something goes wrong with this procedure, initiate a Nandroid Backup of your current ROM. You can perform a Nandroid Backup by selecting Backup and Restore from the Recovery menu. On the next screen, select Backup to create a backup of your current ROM.
9. Go back to the main menu and select Wipe data/factory reset. Confirm your action on the next screen.
10. Go back to the main menu and repeat Wipe data/factory reset.  Confirm your action on the next screen. (Yes, this is a repetition of the previous step.)
11. Select Wipe Cache and confirm the action on the next screen.
12. From the main menu, select Install zip from sd card > Choose zip from sd card and locate the DARKSIDE.SUPER.WIPE file. Confirm the action to begin flashing the file to your phone.
13. Go back to the main menu and select Wipe data/factory reset.  Confirm your action on the next screen.
14. Select Wipe cache.  Confirm your action on the next screen.
15. Select Install zip from sd card > Choose zip from sd card and choose the ICS Megamix 4.0.3 file. Confirm the action to begin flashing the ROM to your phone.
16. Once installation is complete, go back to the main menu and reboot your phone. Initial boot will take about 5 minutes or more.
17. After your phone boots, complete basic setup such as setting up your Google Account.
18. Reboot your mobile phone.
19. [OPTIONAL] To resolve auto-rotation problem, you can download Smart Rotator for free from the Google Play Store.

Congratulations! You have successfully installed Android 4.0.3 Ice Cream Sandwich with the 14 Toggle Notification Bar mod to your T-Mobile Samsung Galaxy S2 (T989) via ICS Megamix 4.0.3 ROM.