BlissRom is becoming a popular custom ROM with support for a variety of Android devices including OnePlus One, Nexus 5, nexus 6, Moto X, etc. The base of this firmware is CyanogenMod 12 (Android 5.0.2 Lollipop) and has some added features, but the main attraction of this ROM is its numerous personalization options.
The tutorial guides you through the various steps needed for the successful installation of BlissRom (Android 5.0.2 Lollipop) on OnePlus One. This guide also details various personalization options of the BlissRom.
BlissRom is designed to bring a truly blissful experience with its various personalization options. Following are some of the customization options included in this ROM.
Status bar – Personalize clock & date options, battery options, notifications, etc.
Navigation bar – Nav bar buttons and options
Recent Apps – Option to show Google search bar in recent menu, OmniSwitch of OmniRom, stc.
Notification bar – Personalization for quick setting, pull-down menu, and more
Heads Up notification – Customize, enable selectively or disable
Lock screen – Customizing lockscreen with widget, colors and more
Power menu – Options for screenshot, screen recorder, reboot, lock, etc.
Animations – Customize the behavior and speed of all system animations.
App circle bar – Choose what apps you want to show on the App Circle Bar, trigger width, position and height.
Bliss Download – Allows you to stay updated with the latest release of the ROM
IMPORTANT: Back up everything (contacts, call logs, SMS, images, video, audio and other data) before installing the custom ROM. Also, DO NOT forget to make Nandroid back up from recovery.
Disclaimer: Please follow this guide at your own risk. Though we are putting our level best to provide this tutorial at its maximum perfection and accuracy, we cannot take responsibility for anything that goes wrong. This guide is intended for technically talented users only.
Step 1: Root your OnePlus One
Step 2: Install a custom recovery like TWRP, CWM, Philz CWM (latest version that supports Lollipop)
Step 3: Boot your OnePlus One into custom recovery.
Step 4: From recovery, perform a FULL factory wipe and wipe/system and dalvik cache by selecting the appropriate menu.
Step 5: Once done the system wipe, flash BlissRom by selecting the ROM zip file and then flash GAPPs zip package.
Step 6: Finally, reboot (choose reboot system option from main recovery menu) and enjoy!
The ROM is almost stable (GPS sometimes works, sometimes it does not), does not eat up the battery and the various personalization options gives you a truly blissful experience. (source)