CyanogenMod 12 for LG Optimus L9 – EXT4

Hi. I built CyanogenMod 11 for LG P760/P765. It has some critical bugs like GPS problems.

What’s not working/has bugs:

  1. GPS isn’t working
  2. Wifi MAC adress is random (RIL issue)
  3. WiFi Direct
  4. Camera completly broken
  5. Graphics glitch when locking screen

Kernel and rom features:

  1. Ramhack 818Mb
  2. Better battery life
  3. OC to 1350 Mhz
  4. GPU OC to 384 Mhz
  5. Many tweaks
  6. Sound boost on headphones
  7. Updated screen driver
  8. Power saving mode (in battery settings)
  9. Internal sd disabled
  10. Added BLN support (L9 BacklightMod app in Play Store)
  11. Support for 5Ghz wifi
  12. Bluetooth Low Energy support
  13. Less battery drain by screen (lower screen refresh rate)
  14. Better multicore managing

What you need:

  1. LG P760/P765
  2. Unlocked bootloader


  1. Flash my recovery
  2. Boot to TWRP
  3. Make sure you have enabled EXT4 (if you haven’t flashed CM11 before you can skip this step)
  4. Flash ROM
  5. Flash fix (if any)
  6. Flash Gapps (if you want)
  7. Reboot system now!



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  • Milos Janus

    I flashed this ROM with TWRM recovery and it completely messed up my phone. I saw all the bugs and wanted to install something else or return to stock ROM but my recovery mode is missing and I can’t reach it with any button configuration. It somehow deleted my root (Super SU doesn’t work, I just get no response when I click Update binaries; Flashify says I don’t have root ). Can’t connect the phone with my computer either, because on this ROM usb connection is completely broken…. I installed Root Checker and it says I don’t have root. Tried to root with LGPwn: and it says I dont have “/system/xbin/spritebud”. Googled it and it says I can’t Root my phone this way. What do I do? I want to fix this? Thanks.