Android 2.3.4 leaked version has been unveiled over the internet for Samsung galaxy S II.It works absolutely on Galaxy S II.You can install this leaked version of Android 2.3.4 until the official version hasn't been released.
Android 2.3.4 is slighly different and has little changes comparing with Android 2.3 GingerBread,It features two new improvements like Voice Calling and Google Talk Video Calling.
Here are the steps of how you can install Leaked Android 2.3.4 on Samsung Galaxy S II below:
Step 1: First you will need to download the required files:
Download DarkyROM2 XXKG1 BASE R2 DEODEXED CWM
Download STOCK XXKG1 ODIN Firmware
Step 2: After it,install SuperCore with ODIN.
Step 3: You will need to boot and upload the DarkyROM2 zip file to Internal SD card.
Step 4: Restart Samsung Galaxy S II into recovery mode via buttons [vol-up+home+power]
Step 5: Select DarkyROM2 zip file by using recovery menu and install it.
Step 6:Finally,restart your Samsung Galaxy S II and enjoy having installed Leaked version of Android 4.3.2 on your device.