Among several Android running devices, Samsung Galaxy S2 I9100 is the one to receive official SlimBean Build 2 custom firmware released by SlimROMs team. The SlimBean Build 2 updates the devices from Android 4.1.2 to the latest Android 4.2.2 Jelly Bean. In addition to that, it brings an array of new customised features and bug fixes.   

Samsung Galaxy S2
SlimBean Build 2 Jelly Bean ROM is released for Galaxy S2 I9100.

SlimBean Build 2 features

TheRealDarkSlim Toggle (Initial)

Shiny new SlimSizer

Renamed SlimOTA to SlimCenter

SlimFilemanager added to root functionality

Extended QuickSettings style options

New Notification/Lockscreen Shortcut icons

Configurable QS long press

Update DashClock to latest versions

Configurable Notification behavior

NFC Polling Mode (AOKP)

LckscreenPattern: Toggle dots/error pattern visibility (From CM)

Added Power/Camera to Lockscreen long press button actions

Add USB Tether tile

Add LTE tile

Advanced low battery indicator options

Return to call log after call

Mark dismissed call as missed

Automatic keyboard rotation feature

Full screen toggle added to browser menu

Add signature to Messaging

Customised charging battery colour

Added more scenes and focus modes to camera

Added exposure and jpeg quality to video came

Device specific features

I9100G: Fast charge support

N7100: S-Pen power saving mode

OneX: new features

Mako: Updated prebuilt kernel

Manta: Updated binaries

Tuna: Updated binaries

Fixes

NavBar back/menu firing after long press actions

NavBar 'kill app' action killing system apps and crashing system

A2DP streaming sound quality fixes

HighEndFX properly hidden on devices with native support

HTML5 audio playback

BT tethering label

Device specific

D2: Long press timing issue causing short press to act as long

D2: Fix routing for BT voice dial feature

I9100: Low headphones sound issue fixed

I9100: Fixed pinch to zoom camera

Toro plus: Fixed GPS

Head over to the source page to learn more about known issues and new apps about the ROM. 

Galaxy S2 users, who wish to install Android 4.2.2 Jelly Bean on their devices using SlimBean 2 Jelly Bean custom ROM, may follow our step-by-step guide below. This aforementioned custom ROM is compatible only with Samsung Galaxy S2 I9100; applying this on any other variant might brick the device.

IBTimes UK reminds its readers that it will not be held liable for any damage to the device, therefore, proceed at your own risk. 

Pre-requisites

1) Install USB Drivers for Samsung Galaxy S2 on the computer.

2) Enable USB Debugging Mode on the tablet, which will allow to connect the device with the computer and use the Android SDK with it. [Press Menu>> Settings>> Applications. From there navigate and click on Development option and ensure the USB Debugging Mode is turned on.]  

3) The Galaxy S2 should be rooted and have ClockworkMod Recovery installed.

4) Make back-up for all the data of the phone.

5) The battery of the device should have charge above 80 per cent.

6) In case the device gets stuck or experience boot loop then perform wipe cache partition and wipe dalvik cache few more times before rebooting the device.   

Steps to install SlimBean Build 2 Android 4.2.2 Jelly Bean on Samsung Galaxy S2 I9100

1) Download SlimBean Build 2 Android 4.2.2 Jelly Bean ROM for Galaxy S2 I9100 to the computer

2) Download Google Apps package

3) Connect the phone to the computer using USB cable and copy the downloaded zip files to the SD card of the device

4) Disconnect the phone from the computer and turn it off

5) Place the device into Recovery Mode by turning on the device while pressing and holding Volume Up, Home and Power buttons together

6) In CWM Recovery, perform a full data wiping first. After the action is completed, scroll down to 'flash zip from sdcard,' using the Volume keys. Then press the Power button to select it

7) Select 'choose zip from sdcard' using the Power button then locate the Jelly Bean zip files which is copied to the SD card. Press the Power button to select it and confirm installation on the next screen

8) After the ROM is installed, repeat the same procedure to install the Google Apps package

9) Once the installation process is completed, go to "+++++Go Back+++++" and select 'reboot system now' from the recovery menu to reboot the phone

As the Samsung Galaxy S2 I9100 boots up successfully, it should be running on customised SlimBean Build 2 Android 4.2.2 Jelly Bean ROM. Navigate to Settings>> About Phone to verify the software version of the device. 

[Source: Vickyz.com]