How to flash a custom rom using C.W.M Recovery

Flashing the custom rom

•  Download the desired rom which you want to flash on your device(remember to check the support of your device  for that rom)  and transfer it to your phones sd card
• Now boot into cwm recovery (by pressing and holding vol up +power button +home button for samsung phones).
• In the recovery menu  select backup and restore ,and make a backup of your current system so that you can get back to your orignal system (if you want to)
• after that go back to the menu and select wipe data/factory reset and erase all user data

• then clear cache partition by selecting the wipe cache partition option from the menu
• after that go to advanced option and wipe dalvik cache
• Now you are ready to flash the custom rom.Flash the rom by selecting the option install zip from sd card now browse to the folder where you stored the rom and select the zip file 
• ignore the warning and select yes 
• now you have successfully installed the custom rom
• reboot your phone by selecting the first option from the menu 
• and you are done

                     NOTE-only install the rom which has support for your device . Installing the custom rom can brick your phone so use at your own risk .I am not responsible for any damage to your device

If you have any problem in the above steps feel free to comment