SlimROMs team recently confirmed the release of its first stable release of SlimKat build 3.0, based on the Android Open Source Project (AOSP) source code, for a number of Android smartphones.

Featuring the latest version of Android, 4.4.2 KitKat, the SlimKat Stable 3.0 adds tons of customisations and tweaks.

SlimKat Stable 3.0
SlimKat Stable 3.0 build based on Android 4.4.2 KitKat is available for Galaxy S2 I9100. XDA

SlimKat Stable 3.0 changelog:

Frameworks: EdgeGestureService give abbility to reduce the left and right trigger site on IME keyboard

Frameworks: SlimPie give user ability to reduce trigger heights if IME is active

Frameworks: TRDS fix possible UI freeze on auto mode change

Frameworks: Respect and handle shorcut custom icon resources

Frameworks: Add support for QC's time_daemon

Frameworks: fix sdk build

Frameworks: Keyguard: Ensure that a widget and page is attached before attaching the ChallengeLayout.OnBouncerStateChangedListener

Frameworks: Revert "Make sure to turn off led after pulse()"

Bootable recovery: Load RTC offset on Qualcomm Krait chips, fixes the broken time & date

Dialer: Add WhitePages Canada reverse lookup provider

WhitePages API: Only reload page if the first load has the UUID for the cookie

Telephony: fix reverese lookup gms logic detection

General: Again a lot translation updates. Tons of new translations will follow soon (italian and german eg)

General: A lot small fixes

Device specific: Again a lot small fixes and upstream. For device specific changes see the attached changelog in the download folder of your device

Gapps: Update to latest google apps

Gapps: PlayStore and YouTube TRDS compatibility

Known bugs

Lock before unlock in combination with maximise widgets, and only then, needs sometimes a second press to handle the widget

LTE quicksettings tile is wonky on some carriers on world phones

i9100/n7000: After some hours listening to music stutter can happen or play just stops

The new stable version of SlimKat build is also available for the Galaxy S2 with model number GT-I9100. Click here to know more about the device-specific changelog for Galaxy S2 I9100.

Those who wish to install Android 4.4.2 on their Galaxy S2 with SlimKat Stable 3.0 may follow our step-by-step guide.

IBTimes UK reminds its readers that it will not be held liable for any damage to the device. Before following the guide, users are advised to verify their devices meet following set of requirements.

Pre-requisites

1) Install USB Drivers for Galaxy S2 to transfer files between the Android device and the computer.

2) Enable USB Debugging Mode on the phone to connect it with the computer and use Android SDK with it. [Press Menu>> Settings>> Applications. From there navigate and click on Development option and then check the USB Debugging Mode.]

3) As the tutorial might wipe out all data of the phone, create backup. If the device is having any custom recovery such as ClockworkMod or, TWRP then backup data using the same.

4) If the Android phone powers off due to lack of battery during the process, it could damage the device. Therefore, the Galaxy S2 should have charge above 80% battery charge.

5) The phone should be rooted and have latest version of either ClockworkMod recovery. [Click here for our guide to root and install CWM recovery on Galaxy S2 I9100.]

6) Android 4.4.2 SlimKat Stable build 3.0 works only with Samsung Galaxy S2 GT-I9100. As applying this to any incorrect variant might brick the device, verify the model number of Galaxy S2 by navigating to Settings>> About phone>> Model number.

7) After flashing the ROM if the device gets stuck on Booting animation or experience boot loop then perform wipe cache partition and wipe dalvik cache for a few times before rebooting the device.

8) Once the ROM is installed, users are advised to give 10 minutes to the ROM after the device boots up for the first time for better user experience.

Download files

SlimKat Stable 3.0 build [File name: Slim-i9100-4.4.2.build.3-OFFICIAL-3081]

Slim Gapps

How to install Android 4.4.2 KitKat on Galaxy S2 GT-I9100 with SlimKat Stable 3.0

Step-1: Connect Galaxy S2 to the computer using USB cable then copy the downloaded zip files to the internal storage of the phone. But do not extract/unzip the files

Step-2: Unplug the USB cable from the phone and switch it off

Step-3: Place the phone into CWM recovery mode by pressing and holding Volume Up, Home and Power buttons together. Release all the buttons when the custom recovery menu appears

Note: In recovery mode, use Volume buttons to scroll between options and Power button to select the desired option.

Step-4: Create a Nandroid backup of the existing ROM which can be restored later if the new ROM does not work or users wish to go back to the previous ROM.

Select backup and restore, name the file and confirm. Go back to main recovery menu when the backup is completed

Step-5: Perform a Factory Reset. This will wipe all data from system partition, which means the device will lose installed apps data and all the other system files [Factory Reset does not delete contents from internal or external storage.]

Select wipe data/factory reset and confirm the process

Step-6: Install the SlimKat on Galaxy S2.

Select install zip from sdcard then select choose zip from sdcard. Now browse to the location where Android 4.4.2 ROM file is saved. Select it and confirm installation

Step-7: When the ROM is installed, select again choose zip from sdcard and flash Slim Gapps file

Step-8: After the installation process is completed, return to the main recovery menu and reboot the phone into normal mode. Note that the first boot will take a few minutes, therefore, you should not press any button until the home screen of the new ROM appears

Enter the Google Account info when the new home screen appears.

Galaxy S2 should now be updated with SlimKat Stable 3.0 build featuring Android 4.4.2 KitKat. Head over to Setting>> About phone to verify the new software version of the device.

If you do not like the new ROM, you may choose the Nandroid ROM backup files created in step-4. Use the custom recovery image to restore a ROM backup.

[Source: Android Geeks]