OnePlus One

Lineage OS OnePlus

OnePlus One official Lineage OS 15.1 Nightly Builds – Update to Android 8.1 Oreo Now
OnePlus Android 8.1 Oreo AOSP

OnePlus One receives Android 8.1 Oreo update via AOSP 8.1 ROM
OnePlus Lineage OS

Lineage OS 15 for OnePlus devices [OnePlus 2/3/3T/5/One]
OnePlus Android 8.0 Oreo AOSP

Install Android 8.0 Oreo for OnePlus One via AOSP ROM Port [Download]
How To Custom ROM

Install Paranoid Android 7.2.0 Nougat ROM with support for more Android devices
Updates Android 7.1.2 Nougat Lineage OS OnePlus

[7.1.2] Unofficial Lineage OS 14.1 with 3.4.0 Kernel now available for OnePlusOne
OnePlus Android 7.1.2 Nougat How To

How to Install Android 7.1.2 Nougat update on OnePlus One?
OnePlus Factory Image OTA update Stock Firmware

Install Latest OnePlus One Cyanogen OS 13.1.2 ZNH2KAS3P0 Update – CM 13.1.2
OnePlus How To OTA update

Install New Cyanogen OS 13.1 ZNH2KAS1KN On OnePlus One: Download CM 13.1 Marshmallow
Downloads Factory Image OnePlus Stock Firmware

Official Cyanogen OS 13.0.1 ZNH0EAS2JK Fastboot Image For OnePlus One Now Available [Download & How to]
How To OnePlus OTA update

How to Install Cyanogen OS 13 ZNH0EAS2JK Incremental OTA Update On One Plus One [Download]
Factory Image How To OnePlus Stock Firmware

How to Restore OnePlus One To Stock Cyanogen OS 13.0.1 With Fastboot Files or Factory Image