Gecko V3.6 for zenfone 5

Step 0:
Bootloader unlock is required for every custom rom. You can use this tool for unlock: (HERE)

Step 1:
You should download files for flashing:
GECKO-ROM-3.24.40.80-v3.6.zip: Download from HERE
TWRP 2.8.7.0 recovery by quanganh2627 (new Decmber build) auto installer:(AUTO INSTALLER)
Step 2:
1) Unpack archive with ADB and put TWRP image there.
2) Copy file with rom and gapps to internal/external memory of your phone.
3) Then you should reboot your phone in the droidboot mode. (turn off you gadget then press Turn off button and volume + button)
Then go to the ADB folder and hold Shift + Right Mouse button and write this command:

Then you should reboot your phone in the recovery mode. (turn off you gadget then press Turn off button and volume - button)
Step 3:
Then you phone will reboot in the recovery. In the recovery you should install a package: GECKO-ROM-3.24.40.80-v3.6.zip
Step 4:
After flashing, you should format (not wipe) data and cache in the TWRP.
Then you should reboot to system.

FOR GOING BACK TO STOCK ROM THEN FLASH THIS:-

If you want stock .80 kernel is here : HERE's




Credits goes to

Larrikin.ru,Long Chivas,helroz,quanganh2627,Rambo_F,tank0412,GSculerlor, etc...