[UPDATED] Unofficial CyanogenMod 12, Nexus 4 Lollipop ROM

[Linux User]

The latest Android Lollipop source code was released on 3rd November this year. So the official builds will be released very soon but not yet available for most of the devices. But xda developer AndroGeek974 has ported Nexus 4 Lollipop ROM based on CyanogenMod 12. CyanogenMod is a custom Android built on top of AOSP with some extra features and CyanogenMod 12 will be the name for Android Lollipop version.

[Nexus 4 CyanogenMod 12 Lollipop ROM]

DISCLAIMER:
Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data.
Before proceeding further you may consider backup your all data. Understand that YOU are the only person making changes to your phone. Neither we nor the developer can be held responsible for the disaster that may happen to your device after following this guide.

Install Custom recovery on Nexus 4

If you have not yet installed a custom recovery on your Nexus 4 then head on to the next link to get it done.
Nexus 4 Rooting guide and custom recovery installation

This was an early build of Nexus 4 Lollipo ROM based on CyanogenMod 12, which has just basic AOSP lollipop functionality. I will strongly recommend you to visit the below link to get the updated CyanogenMod 12.1 for Nexus 4 based on Android Lollipop 5.1.1.
Latest OFFICIAL CyanogenMod 12.1 for Nexus 4 (Mako) based on Android 5.1.1

If you are interested on Android Marshmallow builds then here it goes:
OFFICIAL CyanogenMod 13 Marshmallow ROM for Nexus 4 (Mako)
AOSP Marshmallow ROM for Nexus 4 (Mako)

Flashing guide of CyanogenMod 12, Nexus 4 Lollipop ROM:

To upgrade Nexus 4 Lollipop ROM based on CyanogenMod 12, then you have to get the following recovery flashable ROM zip file over here:
Lollipop ROM download link
Recovery flashable Google Apps zip file download link

STEP 1:

Copy the ROM zip and the GApps zip file to your internal memory (By using a USB cable or via adb push command).

STEP 2:

After copying the ROM zip file to your internal memory you have to reboot into recovery.
To go to the recovery type the following command (if you are on a PC):

$ adb reboot recovery

STEP 3:

Wipe Data/Factory Reset.
Format system, Format Dalvik Cache, Format Cache partition.

NOTE:
This step will delete all your data.
Consider backup your all data out of your phone.
Data Backup guide

STEP 4:

Select the Install Zip from SDcard option.
Select the path to the ROM zip file where you have kept in the phone memory.

STEP 5:

Repeat the STEP 4 to flash GApps. Select the Install Zip from SDcard option again.
Select the Gapps zip file where you have kept in the SD card.

The flashing will take a while.

When everything will be done you can reboot your system and enjoy the CyanogenMod 12, Nexus 4 Lollipop ROM.
The first boot may take a long time around 6 to 10 minutes. So be patient.

After this CyanogenMod 12 ROM installation you may want to enable ROOT access on your phone and here is how you can do that:
How to Enable ROOT Access on CyanogenMod 12/12.1

Source

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