#go to cwm recovery by pressing (power button+ volume down button)
#select wipe/data factory reset >>> then select yes.
#Select wipe cache partition>>>then select yes.
#then select mounts and storage>format/system>yes format
#then select advanced option>>> then wipe dalvic cache and wipe battery stat.
#then Return to the main menu again.
#select Install from sd card > install zip from SD card > select �Custom Rom> yes.
#then a process will occur.
#wait untill it finished.
#then reboot your Primo RM
# Turn your phone on in recovery mode (by pressing VOLUME UP + POWER buttons).
# Go to TWRP { Also known as Recovery Mode. }
# GO > WIPE> ADVANCED WIPE> SELECT - DALVIC CACHE, CACHE, DATA, ANDROID SECURE, SYSTEM AND THEN SWIPE TO WIPE
# THEN A PROCESS WILL START AND WAIT UNTILL IT FINISHED.
# THEN SELECT- BACK AND RETURN TO MAIN PAGE.
# NOW THE FINAL PART- SELECT - INSTALL> SEARCH YOUR ROM
# AND THEN SWIPE TO CONFIRM FLASH.
# WAIT UNTILL IT FINISHED.
# THEN WIPE CACHE/DALVIC CACHE.
# REBOOT YOUR PHONE/SYSTEM REBOOT.




