Provides deep cleaning options, including wiping the Dalvik cache , battery stats, and data partitions, which is often necessary before installing a new ROM.
Select "Flash ClockworkMod Recovery" and choose your device model. cwm recovery android 2.3.6 download
Download from the Android Market (now Google Play, though compatibility for 2.3.6 is limited). Provides deep cleaning options, including wiping the Dalvik
This was the most common method for officially supported devices. Provides deep cleaning options
Allows you to install third-party operating systems (like CyanogenMod) or modifications by selecting .zip files from your SD card.
Creates a complete snapshot of your phone’s current state (system, data, and boot). If a new ROM causes issues, you can restore this backup to return exactly to how your phone was.