OnePlusOne-LineageOS-17.1

OnePlusOne-LineageOS-17.1

Updating everything on OnePlus One (bacon) Windows 10

This will erase ALL your data, so your phone will be completely empty

1. Backup all your stuff, photos, etc.
2. Download latest files to your PC:
    * TWRP: https://eu.dl.twrp.me/bacon/
    * LineageOS: https://download.lineageos.org/bacon
    * Gapps Android 10 ARM PICO version: https://opengapps.org/
    * Android platform tools (adb): https://developer.android.com/studio/releases/platform-tools
3. Extract android platform-tools somewhere.
4. Move the downloaded twrp image and LineageOS image to platform-tools folder
5. Connect your phone via USB
6. Open powershell as administrator and cd to platform-tools
7. Reboot to Bootloader Fastboot:
    * Turn off your phone
    * Turn it on by holding VolumeUP + Power button
8. Execute command in powershell: `fastboot.exe flash recovery twrp-image-name-here.img`
9. Enter Recovery Mode (TWRP)
    * Turn off your phone
    * Turn it on by holding VolumeDOWN + Power button
10. Go to "Advance -> ADB Sideload" and run Adb Sideload by swiping
11. Execute command in powershell: `adb.exe sideload lineage-17.1-20200806-nightly-bacon-signed.zip`
12. Go to "Mount" and tick "Data" to mount
13. Copy gapps package to your phone
14. Install Gapps: Go to "Install", then select Gapps zip package
    * On error, reboot your phone and try again
15. Reboot your phone and your system should be up and running with Gapps


Tip: Install Youtube Vanced: https://vanced.app/
  

Turns out crDroid is better. Go for crDroid.
Updating to crDroid is very similar as stated above.

https://forum.xda-developers.com/oneplus-5t/development/rom-crdroid-android-7-t4171489