It includes the necessary binaries to flash newer Android 4.4.x ROMs.
ClockworkMod Recovery (CWM) was once the industry standard for Android customization. Version is particularly significant for the Galaxy S2 because: Download Cwm Recovery V6.0.4.5 For Galaxy S2 Gt I9 Action
It provides tools for formatting /system , /data , and /cache partitions, which is often required before a "clean" ROM install. Prerequisites Before You Begin It includes the necessary binaries to flash newer Android 4
Flashing custom software carries risks. Ensure you have the following ready: and /cache partitions
Download and install the Official Samsung USB Drivers on your PC.