One of the new custom ROMs, Chroma firmware is designed to give you extensivelevel of customization options with AOSP feel. Based on LMY47V Android 5.1.1 Lollipop, Chroma Lollipop gives you various handles to customize notification styles, visuals, and much more. Fast, and stable, you will love Chroma Android 5.1.1 Lollipop on your Nexus. Here is how to update Nexus 4 to Android 5.1.1 based Chroma custom firmware.

Chroma Android 5.1.1 custom ROM features:

- Franco Kernel

- Layers 2.1 support

- Silent mode (Settings > Sound & notifications > Interruptions)

- Native LED notifications (solid, limited to RGB colors)

- Status Bar Customization:

Battery Style (Icon Portrait/Landscape, Circle, Text, Hide) and Battery Percentage

Clock & Date (Show/Hide, Color, Alignment, AM/PM, Show/Hide Date, Date Style, Date Format)

Brightness Control (long press status bar to change brightness)

Double-tap status bar to turn screen off

Show/hide notification count

Quick pull-down on left/right side to pull down tiles

Network traffic

Pressing on clock or date on status bar opens up Clock, Calendar

Tile customizations (LTE, screenshot, sync, heads up, expanded desktop, and more)

Status bar weather

Enlarge 1st row, show 4 tiles per row, show/hide brightness slider

Heads up notifications

Show/hide brightness slider

Advanced location tile

- Navigation bar customization

Rearrange navigation bar to your liking

Navigation bar height (48/44/40/36/32/28/24/20/0dp)

Navigation button tint

Show/hide arrow keys while typing

Kill app back button

Double tap navigation bar to sleep

Navigation ring customization

Clear all recents button (enable/disable) and location (top left, top right, top center, bottom left, bottom right, bottom center)

- Lock screen customization

- Power menu customization (power off, reboot, screenshot, airplane mode)

Advanced Reboot (reboot/soft reboot/recovery/bootloader)

- Volume rocker customization:

Wake device with volume keys when screen off

Long press volume up/down keys to skip track when screen off

Volume key adjustment sound (enable/disable)

Volume key cursor control

Prereqs to update Nexus 4 to Android 5.1.1 Chroma Lollipop:

Downloadand install USB drivers for Nexus 4 in your computer.Enable USB debugging option by pressingMenu>Settings>Applications. Navigateand tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Your Nexus 4 should be rooted.Make sure that ClockworkMod recovery is installed.Ensure that your Nexus 4 carries more than 70% of charge.

Update Nexus 4to Android 5.1.1 Custom ROM:

Required files: Download ChromaAndroid 5.1.1 custom firmware fromhereon your computer. Also, download GApps package fromhere.

Connect your Nexus 4 to your PC using USB cable and copy the downloaded files to the SD card of your device.Disconnect your Nexus 4 and power it off.Now boot it in to the Bootloader mode: press and holdVolume Up, Volume Downand thePowerbuttons simultaneously. Follow onscreen instructions and go torecovery. Once here, useVolumekeys to highlight andPowerto select.Data wipe operations: go towipe data/factory resetand confirm the operation. Alsowipe cache partitionand finally go forwipe dalvik cachetoclean it up too.Now, selectinstall zip from sdcardand thenchoose zip from Sdcard. Locatethe ChromaAndroid 5.1.1 Lollipop file and confirm its installation.When the ROM installation completes successfully, repeat the above step for installing the GApps package.Once done, go back to main recovery menu and selectreboot system now.

First boot takes a little while; enjoy the sweetness of lollipop.