OnePlus One was launched in April 2014. It had the same reliable performance as of Samsung Galaxy S5 but half the price. Both were released at the same time and were the best Smartphones launched in 2014. OnePlus One offers a 5.5” screen with a resolution of 1080 x 1920 pixels with Corning Gorilla Glass 3 for screen protection. It is powered by a 2.5 GHz Quad-core Qualcomm MSM8974AC Snapdragon 801 and has a 3GB RAM. It comes with a 16/64 GB internal storage and SD card slot is absent. It packs a 13MP rear camera with Autofocus and dual-LED flash, the front camera of 5MP for Selfies. It runs on CyanogenMod 12.1.1 and Oxygen 2.1.4. It has a non-removable 3100 mAh battery. OnePlus One supports LTE, GPS, Wi-Fi, Bluetooth, and NFC. It includes sensors like Proximity sensor, Ambient light sensor, Accelerometer, and Gyroscope. One Plus has not announced any plan to upgrade One Plus one to Android 6.0 Marshmallow so there is not ETA available.
Orion OS 2.2
Orion OS is a stable ROM based on AOSPB, SlimROMs, and Android v6.0.1 Marshmallow. It was given the name ‘Orion’ to represent the beauty and vastness of the world that surrounds us. It includes Bitsyko layers and other things to customize your device. It is built with Uber toolchain which results in a smooth and powerful performance. It is pre-rooted and you will experience a fast and smooth UI. You get regular OTA updates by Team Orion. It includes features of various ROMs like SlimROMs, CyanogenMod, AOSPB, and Viper520. It comes with DPI settings and GoogleKeyboard by default.
It provides status bar customizations, navigation bar customizations, lock screen notifications, security features, Layers Manager, SuperSU, new boot animation, Dark theme, CM browser, etc.
Details and Download: Orion OS for OnePlus One
Resurrection Remix M
As by the name you can guess it is a combination of popular custom ROMs like CyanogenMod, Slim, OmniROM and the original Remix ROM. It aims at providing a smooth performance. It is a unique stable ROM based on Android v6.0.1 Marshmallow and CM 13. The CyanogenMod Theme chooser allows you to choose and apply themes from a huge collection of themes and change the complete look and feel of your device. Resurrection Remix ROM aims at providing a solid performance and reliability. You get numerous customization options, the power, and ample features which are brought directly to your OnePlus One device.
It includes navigation bar customization, status bar customization, battery bar customization, brightness slider, network traffic indicator, animations (Toast and ListView), gestures anywhere, App Circle bar, Recents panel, clock widgets, lock screen options, AudioFX, LCD Density, Live display, inbuilt SuperSU, etc.
Details and Download: Resurrection ROM for OnePlus One
This stable ROM is based on AOSP and 6.0.1 Marshmallow. It offers numerous features and customization options to provide reliability, stability, and smooth performance. Many changes are made in the user interface. It can be used as a daily driver as it very stable. You get various options like greetings, gestures anywhere, timeout, system animations, status bar, navigation bar toggles, and custom hardware buttons. It supports Full Layers, App Backup Layers, and OTA updates.
Nuclear ROM includes CM File Manager, Nuclear menu, Nuclear wallpaper, Maxx Audio, Slim Recent, SlimPie 3.0, Nova Launcher, etc.
Details and Download: NuclearAndroidProject ROM
How to install a custom ROM in your OnePlus One:
NOTE: The installation procedure is same for all custom ROMs.
Step 1- Download the ROM .zip file and copy it to your microSD card.
Step 2- Turn off the device and enter into Recovery Mode.
Step 3- Perform a full wipe and factory reset.
Step 4- Select to install the ROM .zip file from the SD card in your OnePlus One device.
Step 5- After flashing the ROM, reboot the device.
Step 6- It will take certain time in the booting process.