A Whatsapp App page is seen on Facebook on a Samsung Galaxy S4 phone
IN PHOTO: A Whatsapp App page is seen on Facebook on a Samsung Galaxy S4 phone in the central Bosnian town of Zenica, February 20, 2014. Facebook Inc will buy fast-growing mobile-messaging startup WhatsApp for $19 billion in cash and stock in a landmark deal that places the world's largest social network closer to the heart of mobile communications and may bring younger users into the fold. Reuters/Dado Ruvic

Samsung Galaxy S4 users can choose to upgrade to the Android 5.1 update via a new custom ROM. The ROM is ideal for those who do not wish to wait for the over-the-air release. As with other custom ROM updates, users will need to flash their devices.

Disclaimer: Providers of the update cannot be held responsible for what happens to the device following installation. Users can update at their own risk.

Arguably one of the most well known custom builds today based on the Android 5.1 series is the Resurrection Remix. Also related to the CM12, users can expect the Lollipop experience combined with CyanogenMod touch. A changelog of the software is as follows:

· Navigation Bar

· Statusbar

· Brightness Slider

· Enable/Disable Show Notification Count

· Clock Customizations

· Time & date

· Battery

· Battery Bar customization

· Battery Icon Customization(circle/landscape/Potrait and more)

· Animations

· Gestures Anywhere Feature

· Clock Widget

· LockScreen

· Lockscreen Shortcuts

· Notification Drawer

· Quick Settings

· Backlight Timer

· Home Button(For devices with HW keys Only)

· Home Button Wake Up

· Home Button answer call

· LCD Density

· Expanded Desktop Mode

· All New CM Audio FX App

· Heads Up Customizations

· OverAll Smoothness Improvements

· Quick Unlock

· Optimizations to Improve Battery

· ALL CM12 features

Users about to download and install the update should back up all important information. Resetting and updating the device can erase all important information. USB debugging should also be enabled. To do this, go to Settings > Development Options > USB debugging. Make sure to root the Samsung Galaxy S4 I9500 device and install a recovery tool like CWM or TWRP. Charge the device at least 60 percent. For all download links and files, click here.

To report problems or leave feedback on this article, email: p.silva@ibtimes.com.au.

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