How to Update CM10.2 (Android 4.3) Nightly ROM on LG Optimus L9 P760


Latest Android 4.3 Jelly Bean based official CyanogenMod 10.2 Nightly Builds ROM is rolled out from last few days and here you can download and install the same on your LG Optimus L9 P760 Smartphone. CyanogenMod is a free, community built, after market custom firmware distribution of Android which currently rolling out the latest Android 4.3 Jelly Bean based ROM. The Team CyanogenMod recently released the Nightly of CM10.2 custom firmware which enable Android 4.3 Jelly Bean on your LG Optimus L9 P760. CyanogenMod Custom ROM’s are built from the sources of  Android Open Source Project (AOSP) with many contribution by many developer within the Android Community, which designed to deliver better performance and reliability than stock Android. CyanogenMod 10.2 comes with many new features, more customization and as well as some security enhancement.  CyanogenMod Nightly builds are not stable version but safe for regular use. So, if you willing to try out the latest Android 4.3 Jelly Bean based CM10.2 Nightly ROM on your LG Optimus L9 P760 then follow below written guide as it is.

CM10.2 Android 4.3 Jelly Bean Custom ROM

Before proceeding further, please note this ROM is a custom firmware and still going through development phase. That’s why, there is always a chance for some bugs and issues inside it. However, we believe all known issues will be fixed as development of this ROM progress.


We at Droid Firmwares write tutorial to help out fellow Android users but all this guide are educational purpose only. You should try this guide at your own risk. Neither we nor the developer should be responsible if your Android device experience a damage after following this tutorial. Also remember,this guide is only applicable for LG Optimus L9 P760. Don’t try this guide in any other Android device. It may hard brick your device.

Pre Requisites:

As there is always some risk involve while you install anything other than what you have presently. It’s always recommended to follow our pre-requisites to stay safe.

  1. Backup your important data such as SMS, Call Log, Contacts, APN and MMS settings. You can follow our Android backup guide for this. It’s also a good idea to backup your internal memory content to external SD card, specially if you need to perform any wiping task during or after installation process.
  2. If your device turn off during the installation process unless explicitly mentioned on this tutorial then it may experience a hard brick. That’s why, it’s good idea  to check battery percentage before following this tutorial. Usually, the phone should have 60% or more power when you flash a custom ROM or firmware. Firmware installation can be done with 25% or more power when the device is connected to computer using USB and get charge through it. It will be fine to have 30% or more if you going to root a firmware. Learn How to Check Battery Percentage in Android phones.
  3. USB Debugging mode should be turned of if it’s disabled otherwise you can’t transfer file using USB cable. Learn: How to Enable/Disable USB Transfer on Android Devices.
  4. Another thing you should note that nearly all our tutorial at Droid Firmwares is for carrier unlocked and bootloader unlocked devices. You shouldn’t try to install it on a locked device unless explicitly mentioned anywhere in tutorial.

Download LG Optimus L9 P760 Latest USB Drivers

Since you will need to connect your phone to your PC, so you will need to have your LG Optimus L9 P760 drivers installed on your computer. Visit our USB Driver Download page. If you can access your mobile content in your PC when both are connected then you already have it.

So, you have done everything that we mentioned above, right! Now, as you have taken necessary precaution, you are ready to move towards next page where we summed up detail instruction on how to install Android 4.3 Jelly Bean based CM10.2 Nightly custom ROM on LG Optimus L9 P760.

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