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How to Install Android 5.0.2 CyanogenMod 12 Nightly ROM on Galaxy S5 LTE

CyanogenMod 12 Nightly custom ROM based on Android 5.0.2 Lollipop AOSP has been released for the Samsung Galaxy S5 LTE. CM 12 Nightlies comes with a lot of great collection of CyanogenMod features in a stable firmware release, implemented by the CyanogenMod team which will run smoothly on your Galaxy S5 LTE. Many users have tested to flash this ROM on their devices and there are no bugs or any other software related issues so it can be used as a daily driver.

No doubt that running Android Lollipop on the Galaxy S5 LTE devices is good but using CM 12 Nightlies on it is more better. Thus, you aren’t stuck to stock Android and Samsung UI, you can tweak the Galaxy S5 easily and anytime by using the built-in CM apps and features. So if you have a Samsung Galaxy S5 LTE and want to install CM 12 Nightlies Android 5.0.2 Lollipop OS on it then here is a step by step guide.

Install Android 5.0.2 CyanogenMod 12 Nightly ROM on Galaxy S5 LTE

Please note that there are no major bugs in this custom ROM but as we’ve mentioned that the CM 12 is in its Nightly stages, so you may get some untested bugs or broken features which aren’t functioning properly.


CyanogenMod 12 Nighly custom ROM is not officially released by Google/Samsung and not a OTA Lollipop firmware but is just a custom ROM which is developed by third-party developers.

Ready to upgrade your Galaxy S5 LTE to this ROM via custom recovery CWM or TWRP? Follow the given guide provided below.


AndroidBlog will not be responsible for any mishap happened to your device. The warranty of your device will get lost after flashing CM 12 Android 5.0.2 Nightlies ROM. Proceed at your own risk.

The custom ROM given in this tutorial is working with Galaxy S5 LTE variant only. Do not try to install it on any other variant, or your device might get bricked. You can check the device’s model by going to Settings > About Phone.


  • Its important to backup all your data and settings using a custom recovery tool such as ClockworkMod (CWM) or TWRP before starting the installation process.
  • Enable USB Debugging Mode by navigating to Settings > Developer Options.
  • Download & install correct USB drivers on the PC for your Samsung Galaxy S5 LTE.
  • Make sure that your phone is rooted having the latest CWM recovery installed on it.
  • The bootloader of the Galaxy S5 should be unlocked.
  • Remember to check the battery level of your device, it should be at least about 80% charged to avoid shutdowns while flashing ROM.

Downloads Required

  • Android 5.0.2 CyanogenMod 12 Nightly ROM for Galaxy S5 LTE
  • Google Apps

Steps to Install Android 5.0.2 CyanogenMod 12 ROM on Galaxy S5 LTE:

1:- Plug the Galaxy S5 LTE to the PC and mount the USB Mass Storage of the phone.

2:- Now copy the downloaded CyanogenMod 12 Android 5.0.2 custom ROM ( to the root folder of the SD card of your phone.

3:- Unplug your Galaxy S5 from the PC.

4:- Now turn OFF the phone in order to boot it into Recovery Mode.

5:- Next, turn the device ON by pressing and holding Volume up + Home + Power keys simultaneously to put the Galaxy S5 into Recovery Mode.

6:- While the phone is now in ClockworkMod Recovery, perform Wipe Data/Factory Reset, Wipe Cache Partition and Wipe Dalvik Cache as well by going to Advanced > Wipe Dalvik Cache.

Note:- Wipe Dalvik Cache will help to prevent boot loop issues and other boot ROM errors while installing firmware.

7:- Go back to the main Recovery Menu and select Install Zip from SD card.

8:- Click Choose Zip from SD card and find the CM12 ROM .zip that you have already copied to the root folder of your SD Card. Select it and confirm to proceed the firmware installation on the next screen.

9: Install Google Apps (Gapps) Package by repeating the above steps on your Galaxy S5.

10:- Navigate to “+++++Go Back+++++” after installing the CM12 ROM and Google Apps package.

10:- From the Recovery Menu, choose Reboot System Now.

Please remember that it will take about 10 to 15 minutes to boots up for the first time to load all the new files.

Done! You have updated the Galaxy S5 LTE to the latest Android 5.0.2 Lollipop via CM12 custom ROM successfully.

Don’t hesitate to contact us if you have any problem or query regarding the above step by step guide to flash the latest CM12 based Android 5.0.2.


Aamir Jamal

An Android Geek and audiophile who love to read and write reviews/tutorials about gadgets and new tech stuff. He has written 1007 guides and other posts.

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