at first you should flash your phone with custom recovery
by using flashify
1-your phone should be rooted and you should have supersu app
2-download flashify
3-select flash recovery (you should download recovery
http://xdaforums.com/showthread.php?t=2703708)
4-and browse for it and flash it
after reboot you use use root explorer or similier
go to system/etc/install-recovery.sh
add .bak
so it would be system/etc/install-recovery.sh.bak
after flashing if it still in stock recovery flash it again
this recovery for dhacker29 rom and cm11 by David vas & dhacker29 (not for lewa)
at second download the rom (dhacker29 rom)
(you should back up your correct rom before flashing the new rom )
wipe date / factory reset
install from sdcard
select the rom
wait for flashing
(in my opinion dont install lewa because it have different recovery and all works now on ClockWorkMod Recovery v6.0.4.8)
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Hit thanks if i helped you
---------- Post added at 06:33 PM ---------- Previous post was at 05:55 PM ----------
to install cm 11 with cwm recovery
1-go to mounts and storage
2-format system
3-format data
4-format cache
5-go to advanced and Wipe dalvik cache
5-install zip from sd card