In order to try different flavors of Android, one simply have to install custom ROMs. Custom ROMs have several advantages. They can be used to install the latest version of Android OS on officially unsupported devices, they can be used for changing the layout or UI or to used to allow blocked services etc.
Now there are some prerequisites of installing a custom ROM. Firstly your phone must be rooted and secondly you must have a ROM manager. In some cases you don’t need ROM manager.
General steps for installing Custom ROM
1) Search for the ROM of your Phone or tablet.
2) Download ROM files.
3) Transfer ROM files to the root of your SD card
4) Open up ROM manager . Now if you don’t have ROM manager, download these files and then extract the files on the root of you SD card. Turn of your device and reboot it by pressing power button and volume control buttons. Now if your new to installing ROMs then I would suggest you to install ROM manager. Once ROM manager is opened select Reboot in recovery.
5) Once your phone starts in recovery mode, you can use your volume controls as navigation for up and down, and power button as OK button.
6) Make sure you make a backup before installing a custom ROM. Go into Backup Restore and Restore and select back up.
7) After making backup go to wipe date/ factory reset and then select delete all data.
8) After wiping all of your data from your phone/ tablet, go to option apply zip from SD card, after that select option choose zip from SD card after that select the ROM you want to install.
9) When the installation is finished, go to root menu and select reboot.